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Power-Supply Cookbook

Maxim has developed an extensive range of power supplies for a wide variety of applications. In the table below, choose the specifications that most closely meet your needs. Then view a circuit design that includes a schematic diagram and bill of materials. You can also download all the designs in one PDF document (PDF, 9MB)

Evaluation boards and custom variations of these designs are available to qualified customers. Please contact your local Maxim sales office to request a sample of an assembled circuit.

Download all the Power-Supply Cookbook designs in one PDF document (PDF, 9MB)

Also see: Isolated Power-Supply Reference Guides

EE-Sim online circuit design and simulation tool

More information:

Click on heading to sort column.

Topology V_IN V_OUT I_OUT Key Features Part No. View Circuit

Inverting 12V -5V 2A 300kHz PWM, external FET MAX1846

CB2 (PDF)

Inverting 3V to 5.5V -12V 0.4A 300kHz PWM, external FET MAX1846

CB3 (PDF)

Inverting 12V -48V 0.1A 300kHz PWM, external FET MAX1846

CB4 (PDF)

Inverting 12V -72V 0.1A 300kHz PWM, external FET MAX1846

CB5 (PDF)

Inverting 3.3V -3.6V 1.2A 300kHz PWM, external FET MAX1846

CB6 (PDF)

Inverting 12V -12V 0.25A 300kHz PWM, external FET MAX1846

CB8 (PDF)

Inverting 12V -48V 0.1A 300kHz PWM, external FET, transformer MAX1847

CB9 (PDF)

Inverting, multi-output 12V -65V
-24V 0.1A
0.52A 250kHz PWM, external FET, transformer, SLIC supply MAX1856

CB10 (PDF)

Inverting, multi-output 5V -72V
-24V 0.06A
0.15A 250kHz PWM, external FET, transformer, SLIC supply MAX1856

CB11 (PDF)

Step-Down, multi-output 24V 3.3V
5V 7A
1A 200kHz PWM, external FET MAX1864

CB12 (PDF)

Step-Down, multi-output 9V to 16V 3.3V
2.5V
5V
12V 1.8A
1.4A
0.3A
0.5A 200kHz PWM, external FET MAX1865

CB13 (PDF)

Step-Down, multi-output 10V to 18V 3.3V
2.5V
5V
-5V 1.3A
0.9A
0.35A
0.18A 200kHz PWM, external FET MAX1865

CB14 (PDF)

Step-Down, multi-output 24V 7V
5V
-5V 0.5A
1A
0.1A 200kHz PWM, external FET MAX1865

CB15 (PDF)

Step-Down 10V to 20V 5V 1A 200kHz PWM, external FET, 95% efficiency MAX1864

CB16 (PDF)

Step-Down 5V 1V 6A 200kHz PWM, external FET, Low Voltage Output MAX1864

CB17 (PDF)

Step-Down, multi-output 9V to 16V 3.3V
1.8V
5V
12V
-12V 1.5A
1A
0.5A
0.4A
0.1A 200kHz PWM, external FET MAX1865

CB18 (PDF)

Step-Down, multi-output 24V 5.15V
7V
-5V 0.8A
0.4A
0.08A 200kHz PWM, external FET MAX1865

CB19 (PDF)

Step-Down, multi-output 8V to 18V 3.3V
2.5V
5V 1A
1A
0.1A 200kHz PWM, external FET MAX1865

CB20 (PDF)

Step-Down, multi-output 12V 3.3V
2.5V
5V 1.5A
0.13A
0.35A 200kHz PWM, external FET MAX1864

CB21 (PDF)

Step-Down, multi-output 5V to 28V 3.3V
8V
5V
2.5V 1A
0.05A
0.05A
0.01A 200kHz PWM, external FET MAX1864

CB22 (PDF)

Step-Down 5V 1.25V 6A 200kHz PWM, external FET, DDR termination supply sources and sinks current MAX1864

CB23 (PDF)

Step-Down 12V 1.0V to 5.5V 12A 200kHz PWM, external FETs, digitally adjustable MAX1864

CB24 (PDF)

Step-Down 3.3V 1.5V 6A 1MHz PWM, external FET MAX1953

CB30 (PDF)

Step-Down 12V 2.5V 20A 200kHz PWM, external FET, DDR VDDQ MAX1916

CB31 (PDF) VIEW ABSTRACT

Step-Down 2.5V 1.25V 7A 550kHz PWM, external FET MAX1917

CB32 (PDF)

Step-Down 2.5V or 1.5V 1.25V or 0.75V 3.5A 550kHz PWM, external FET, DDR VTT MAX1917

CB33 (PDF)

Step-Down 22V 1.25V 1.5A 550kHz PWM, external FET, DDR VTT MAX1917

CB34 (PDF)

Step-Down 12V 5V 10A 200kHz PWM, external FET MAX1917

CB35 (PDF)

Step-Down 3.3V 1.8V 6A 1MHz PWM, external FET MAX1953

CB36 (PDF)

Step-Down 3.3V 1V 1.5A 1MHz PWM, external FET MAX1953

CB37 (PDF)

Step-Down 3.3V 1.8V 0.8A 1MHz PWM, external FET MAX1953

CB38 (PDF)

Step-Down 5V 2.5V 3A 1MHz PWM, external FET MAX1953

CB39 (PDF)

Step-Down 5V 2.5V 10A 1MHz PWM, external FET MAX1953

CB40 (PDF)

Step-Down 5V 3.3V 4A 1MHz PWM, external FET MAX1953

CB41 (PDF)

Step-Down 5V 3.3V 10A 1MHz PWM, external FET MAX1953

CB42 (PDF)

Step-Down 3.3V 1.8V 3A 100kHz PWM, external FET, low cost components MAX1966

CB43 (PDF)

Step-Down 3.3V 2.5V 10A 100kHz PWM, external FET, low cost components MAX1966

CB44 (PDF)

Step-Down 5V 2.5V 0.5A 100kHz PWM, external FET, low cost components MAX1966

CB45 (PDF)

Step-Down 5V 3.3V 8A 100kHz PWM, external FET, low cost components MAX1966

CB46 (PDF)

Step-Down 12V 2.5V 5A 100kHz PWM, external FET, low cost components MAX1967

CB47 (PDF)

Step-Down 12V 3.3V 0.75A 100kHz PWM, external FET, low cost components MAX1967

CB48 (PDF)

Step-Down 12.6V to 15.4V 3.3V 2A 100kHz PWM, external FET, low cost components MAX1967

CB49 (PDF)

Step-Down 3.3V 1.25V 12A 550kHz PWM, external FET, DDR termination MAX1917

CB50 (PDF)

Inverting 15V -200V 0.03A 500kHz PWM, external FET, transformer, MEMS supply MAX1856

CB51 (PDF)

Inverting, multi-output 12V -80V
-24V 0.25A
0.12A 500kHz PWM, external FET, transformer, SLIC supply MAX1856

CB52 (PDF)

Inverting 15V -15V 0.25A 300kHz PWM, external FET MAX1846

CB54 (PDF)

Inverting 12V -5V 1A 300kHz PWM, external FET MAX1846

CB57 (PDF)

Step-Down 12V 5V 0.3A external FET MAX1744

CB58 (PDF)

Inverting 12V -5V 0.4A 250kHz PWM, external FET, boost with inverting charge pump MAX1856

CB59 (PDF)

Inverting, multi-output 10V to 25V -62V
-25.5V
+38V 0.09A
0.08A
0.09A 250kHz PWM, external FET, transformer MAX1856

CB61 (PDF)

Step-Down 3.3V 1.2V 1A 1.4MHz PWM, internal FET MAX1974

CB63 (PDF)

Inverting 3V to 6V -12V 0.6A 300kHz PWM, external FET MAX1847

CB75 (PDF)

Inverting 15V -180V 0.005A 300kHz PWM, external FET, transformer MAX1847

CB76 (PDF)

Inverting 7.5V to 13.5V -5V 0.5A 300kHz PWM, external FET MAX1847

CB77 (PDF)

Inverting 11V to 14V -64V 0.35A 500kHz PWM, external FET, transformer MAX1856

CB78 (PDF)

Inverting, multi-output 5V -24V
-100V 0.12A
0.075A 500kHz PWM, external FET, transformer, SLIC supply MAX1856

CB79 (PDF)

Step-Down 6.5V to 24V 1.5V 30A 500kHz PWM, external FET, dual-phase, AMD Athlon™ XP Mobile power MAX1939

CB80 (PDF)

Step-Down, multi-output 10.8V to 13.2V 1.8V
3.3V 0.8A
1.1A 1.2MHz PWM, external FET, dual out of phase, ceramic capacitors MAX8529

CB81 (PDF)

Step-Down 5V 0.9V to 1.8V 1.8A 300kHz PWM, external FET, XENPAK APS Compliant MAX1954

CB84 (PDF)

Step-Down 12V 6V 3A 300kHz PWM, external FET MAX8546

CB85 (PDF)

Inverting 12V -12V 0.5A 300kHz PWM, external FET MAX1847

CB86 (PDF)

Step-Down 5V 1V or 1.2V 6A 300kHz PWM, external FET, digital select of 1V or 1.2V MAX1954

CB87 (PDF)

Step-Down 12V 3.3V 6A 300kHz PWM, external FET, 92% efficiency MAX1954

CB88 (PDF)

Step-Down 3.3V 1.8V 5A 300kHz PWM, external FET, 92% efficiency MAX1954

CB89 (PDF)

Step-Down 5V 2.5V 4A 300kHz PWM, external FET, 92% efficiency MAX1954

CB90 (PDF)

Step-Down 5V 3.3V 4A 1MHz PWM, external FET, 91% efficiency MAX1953

CB91 (PDF)

Step-Down 3V to 5.5V 1.5V 2A 1MHz PWM, external FET, ceramic capacitors MAX1953

CB92 (PDF)

Step-Down 8V to 20V 2.5V 10A 300kHz PWM, external FET MAX8546

CB93 (PDF)

Step-Down 12V to 20V 5V 6A 300kHz PWM, external FET, 93% efficiency MAX8546

CB94 (PDF)

Step-Down, multi-output 6V 1.8V
2.5V 3A
3A 1.2MHz PWM, external FET, dual out of phase, ceramic capacitors MAX8529

CB97 (PDF)

Step-Down 12V 3.3V 6A 400kHz PWM, external FET, 94% efficiency MAX8554

CB98 (PDF)

Step-Down 12V 2.5V 6A 400kHz PWM, external FET, 93% efficiency MAX8554

CB99 (PDF)

Step-Down 11V to 23V 3.7V 1.5A 300kHz PWM, external FET, 93% efficiency MAX8546

CB100 (PDF)

Step-Down, multi-output 2.7V to 5.5V 1.8V
2.5V 0.4A
0.1A 750kHz PWM, internal FET MAX1692

CB101 (PDF)

Step-Down, multi-output 2.7V to 5.5V 1.8V
2.5V 0.4A
0.1A 750kHz PWM, internal FET MAX1692

CB101 (PDF)

Step-Down, multi-output 5V 3.1V
5V
12V 0.4A
0.1A
0.03A 200kHz PWM, external FET MAX1864

CB102 (PDF)

Step-Down, multi-output 10V to 14V 3.3V
5V 7A
0.15A 200kHz PWM, external FET MAX1864

CB103 (PDF)

Step-Down 12V 1.8V 20A 300kHz PWM, external FET MAX1954

CB104 (PDF)

Step-Down 5V 3.18V 0.32A 750kHz PWM, internal FET, USB input MAX1692

CB105 (PDF)

Inverting 3.3V -5.2V 1A 600kHz PWM, Internal FET, uses step-down IC as inverter MAX1685

CB106 (PDF)

Step-Up/Down 2.7V to 5.5V 3.8V 0.8A 300kHz PWM, internal FET, single inductor, buck-boost MAX1701

CB107 (PDF)

Step-Up 3.3V to 5.5V 12V 2.3A 250kHz PWM, external FET MAX668

CB108 (PDF)

Step-Down, multi-output 9V to 12V 6V
1.5V 1.5A
3A 600kHz PWM, external FET, dual out of phase MAX8538

CB109 (PDF)

Step-Down, multi-output 7V to 20V 1.8V
3.3V 3A
2A 1.2MHz PWM, external FET, dual out of phase MAX8538

CB110 (PDF)

Step-Down, multi-output 9V to 12V 3.4V
2.6V 1.75A
3A 1MHz PWM, external FET MAX8538

CB111 (PDF)

Step-Down 3.3V 1.2V 3A 1MHz PWM, external FET MAX1953

CB112 (PDF)

Step-Down 3V to 3.6V 1.5V 9A 1MHz PWM, external FET MAX1953

CB113 (PDF)

Step-Down 5V 1.2V 2.1A 1MHz PWM, external FET MAX1953

CB114 (PDF)

Step-Up 11V to 14.3V 16V 4.4A 250kHz PWM, external FET, 93% efficient MAX668

CB115 (PDF)

Step-Up/Down 2.5V to 6V 3.3V 1.5A 250kHz PWM, external FET, SEPIC MAX669

CB116 (PDF)

Inverting, multi-output 5V -24V
-72V
+3.3V 0.1A
0.025A
0.1A 100kHz PWM, external FET, transformer, isolated SLIC MAX668

CB117 (PDF)

Step-Down 5V 1.5V 4A 1MHz PWM, external FET MAX1953

CB122 (PDF)

Step-Down 3V to 3.6V 1.5V 2A 1MHz PWM, external FET MAX1953

CB123 (PDF)

Step-Down 3.3V 1.8V 4A 1MHz PWM, external FET MAX1953

CB124 (PDF)

Inverting 5V -5.2V 0.5A 300kHz PWM, external FET MAX1846

CB125 (PDF)

Inverting 5V -12V 0.2A 500kHz PWM, external FET MAX1846

CB126 (PDF)

Inverting 15V -150V 0.05A 300kHz PWM, external FET, transformer MAX1847

CB127 (PDF)

Inverting 12V -80V 0.12A 300kHz PWM, external FET, transformer MAX1856

CB128 (PDF)

Inverting, multi-output 5V -80V
-24V 0.12A
0.06A 500kHz PWM, external FET, transformer MAX1856

CB129 (PDF)

Inverting, multi-output 12V -80V
-53V
-26V 0.1A
0.12A
0.12A 250kHz PWM, external FET, transformer MAX1856

CB130 (PDF)

Step-Up -48V 5V 4A 200kHz PWM, external FET, no transformer, unisolated MAX668

CB131 (PDF)

Inverting -48V -60V 0.1A 200kHz PWM, external FET, transformer MAX668

CB132 (PDF)

Step-Up 12V 18.75V 3.1A 500kHz PWM, external FET MAX668

CB133 (PDF)

Step-Up/Down 8V to 20V 12V 2.5A 500kHz PWM, external FET, SEPIC MAX668

CB134 (PDF)

Step-Up, multi-output -18V to -24V +5V
+3.3V
-6V
-24V
-85V 0.35A
0.15A
0.006A
0.03A
0.001A 300kHz PWM, external FET, no transformer MAX668,MAX8867

CB135 (PDF) VIEW ABSTRACT

Step-Up, multi-output -18V to -24V +5V
+3.3V
-6V
-24V
-85V 0.35A
0.15A
0.006A
0.03A
0.001A 300kHz PWM, external FET, no transformer MAX668,MAX8867

CB135 (PDF) VIEW ABSTRACT

Step-Down 12V 3.3V 2.5A 1MHz PWM, external FET MAX8543

CB136 (PDF)

Step-Down 3V to 5.5V 1.8V 5A 1MHz PWM, external FET MAX1953

CB137 (PDF)

Inverting 12V -0.7V 2A 300kHz PWM, external FET MAX1847

CB138 (PDF)

Inverting 5V -5.2V 0.5A 300kHz PWM, external FET MAX1846

CB139 (PDF)

Step-Down, multi-output 12V 1.25V
1.25V 8A
8A 700kHz PWM, external FETs, dual out of phase MAX8538

CB140 (PDF)

Step-Down 3.3V 1.8V 2A 1MHz PWM, external FET MAX1953

CB141 (PDF)

Step-Down 3.0V to 5.5V 1.8V 3A 1MHz PWM, external FET MAX1953

CB142 (PDF)

Step-Down 3V to 5.5V 1.8V 3A 1MHz PWM, external FET MAX1953

CB143 (PDF)

Step-Down 3.3V 1.8V 2A 1MHz PWM, external FET MAX1953

CB144 (PDF)

Step-Down 12V 1.8V 25A 300kHz PWM, external FET MAX1954

CB145 (PDF)

Step-Down 3V to 5.5V 1.05V 3.5A 300kHz PWM, external FET MAX1954

CB146 (PDF)

Step-Down 7V to 13.2V 1.9V 2.5A 300kHz PWM, external FET MAX1954

CB147 (PDF)

Step-Down 5V 1.2V 3.5A 300kHz PWM, external FET MAX1954

CB148 (PDF)

Step-Down 5V 1.5V 4A 300kHz PWM, external FET MAX1954

CB149 (PDF)

Step-Down 3.3V 1.8V 10A 300kHz PWM, external FET MAX1954

CB150 (PDF)

Step-Down 3.3V 1.2V 7A 300kHz PWM, external FET MAX1954A

CB151 (PDF)

Step-Down 3V to 5.5V 1.5V 2A 300kHz PWM, external FET MAX1954A

CB152 (PDF)

Step-Down 5V 1.8V 6.5A 300kHz PWM, external FET MAX1954

CB153 (PDF)

Step-Down 5V 1.2V 6A 300kHz PWM, external FET MAX1954A

CB154 (PDF)

Step-Down 18V to 24V 12V 2A 300kHz PWM, external FET MAX8546

CB155 (PDF)

Step-Down 18V to 20V 12V 4A 300kHz PWM, external FET MAX8546

CB156 (PDF)

Step-Down 19V 5V 6A 300kHz PWM, external FET MAX8546

CB157 (PDF)

Step-Down 12V 5V 5A 300kHz PWM, external FET MAX8546

CB158 (PDF)

Step-Down 8V to 22V 3.3V 1.2A 300kHz PWM, external FET MAX8546

CB159 (PDF)

Step-Down 12V 3.3V 4A 300kHz PWM, external FET MAX8546

CB160 (PDF)

Step-Down 9V to 20V 2.5V 6A 300kHz PWM, external FET MAX8546

CB161 (PDF)

Step-Down 12V 1.5V 5A 300kHz PWM, external FET MAX8546

CB162 (PDF)

Step-Down 3V to 5.5V 1.2V 6A 300kHz PWM, external FET MAX8546

CB163 (PDF)

Step-Down 5V 1.8V 10A 300kHz PWM, external FET MAX8546

CB164 (PDF)

Step-Down 12V to 20V 1.5V 4A 300kHz PWM, external FET MAX8546

CB165 (PDF)

Step-Down 12V to 20V 1.2V 4A 300kHz PWM, external FET MAX8546

CB166 (PDF)

Step-Down 5.5V to 24V 0.9V 3A 300kHz PWM, external FET MAX8546

CB167 (PDF)

Step-Down 3V to 5.5V 0.9V 3A 300kHz PWM, external FET MAX8546

CB168 (PDF)

Off-Line 120VAC 28V 0.7A 200kHz PWM, external FET, drives 4 Luxeon high brightness LEDs MAX1847

CB170 (PDF) VIEW ABSTRACT

Step-Down, multi-output 6V and 3.3V 1.24V
2.5V
1.8V
1.5V 3A
1.4A
0.17A
0.14A 200kHz PWM, external FET, 1 DC-DC plus 3 LDOs MAX1965

CB171 (PDF)

Linear Regulator, multi-output 3.3V, 6.5V and 12V 5V
2.5V 0.7A
0.735A external FET, dual linear reglator, for Thomson Jupiter chip set MAX8564

CB172 (PDF)

Step-Down 12V 5V to 12V 2.5A 1MHz PWM, external FET, PWM voltage adjust, Fan Speed Control MAX8597

CB173 (PDF)

Step-Down, multi-output 6V to 14V 3.3V
1.8V
5V
-48V 0.35A
0.35A
0.35A
0.1A 200kHz PWM, external FET, transformer MAX1865

CB176 (PDF) VIEW ABSTRACT

Step-Down 5V 2.5V 1.5A 1MHz PWM, external FET MAX1953

CB177 (PDF) VIEW ABSTRACT

Step-Down 5V 3.3V 2.2A 1MHz PWM, external FET MAX1953

CB178 (PDF) VIEW ABSTRACT

Step-Down 5V 1.05V 3A 300kHz PWM, external FET MAX8578

CB179 (PDF) VIEW ABSTRACT

Step-Down 9V to 19V 1.0V/1.2V 4.5A 100kHz PWM, external FET, dynamic voltage shift MAX8578

CB180 (PDF) VIEW ABSTRACT

Step-Down 12V 1.2V 8.5A 500kHz PWM, external FET MAX8544

CB181 (PDF) VIEW ABSTRACT

Step-Down 12V 1.8V 7.2A 500kHz PWM, external FET MAX8544

CB182 (PDF) VIEW ABSTRACT

Step-Down 10V to 20V 1.05V 4.5A 100kHz PWM, external FET MAX8576

CB183 (PDF) VIEW ABSTRACT

Battery Charger 18.5V to 28V 2, 3 or 4 Li+ cells 5A 300kHz PWM, external FET MAX1873

CB184 (PDF) VIEW ABSTRACT

Step-Up 13.5V to 26.4V 48V 0.2A 500kHz PWM, external FET MAX668

CB185 (PDF) VIEW ABSTRACT