Switching Regulators



DATA SHEETS
Part Number Description Key Advantages
MAX8855EVKIT Evaluation Kit for the MAX8855

MAX15049EVKIT Evaluation Kit for the MAX15049

MAX15048, MAX15049 Triple-Output Buck Controllers with Tracking/Sequencing

Low-Cost Triple Buck Controllers with Sequencing and Tracking in Small Form Factor (5mm x 5mm)
MAX15039EVKIT Evaluation Kit for the MAX15039

MAX1951A 1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A, PWM Step-Down DC-DC Regulator Requires Only 10µF Ceramic Capacitor
MAX15038EVKIT Evaluation Kit for the MAX15038 and MAX15039

MAX5099EVKIT Evaluation Kit for the MAX5099 and MAX5098A

MAX15036, MAX15037 2.2MHz, 3A Buck or Boost Converters with an Integrated High-Side Switch

2.2MHz, High Switching Frequency, DC-DC Converters Deliver Up to 3A
MAX15039 6A, 2MHz Step-Down Regulator with Integrated Switches

Smallest, Most Efficient, 6A Step-Down Regulator Switches Frequencies Up to 2MHz
MAX15038 4A, 2MHz Step-Down Regulator with Integrated Switches

Smallest, Most Efficient, 4A Step-Down Regulator Switches Frequencies Up to 2MHz
MAX15002 Dual-Output Buck Controller with Tracking/Sequencing

Flexible, Dual Controller Delivers 15A Per Output with Sequencing and Tracking Control
MAX8643A 3A, 2MHz Step-Down Regulator with Integrated Switches

Smallest, Most-Efficient 3A Step-Down Regulator Up to a 2.4MHz Frequency
MAX8833 Dual, 3A, 2MHz Step-Down Regulator

Smallest, Most Efficient, Dual 3A Regulator with Integrated Switches in 5mm × 5mm TQFN Package
MAX8657, MAX8658, MAX8659 1- to 8-Phase, Master-Slave CPU Core Regulator with Integrated Power MOSFETs

25A/Phase VRM Regulator Chipset for VRD10/VRD11 and K8
Has Reference Input to Support Up to 200A Output
MAX5089EVKIT MAX5089 Evaluation Kit

MAX8688 Digital Power-Supply Controller/Monitor with PMBus Interface

Complete Control/Monitoring of Any Power Supply with PMBus Interface
MAX8855, MAX8855A Dual, 5A, 2MHz Step-Down Regulators

Smallest, Most Efficient 5A Regulators with Integrated Switches in 5mm x 5mm TQFN Package
MAX5090, MAX5090A, MAX5090B,
...
2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

Designed to Withstand Harsh Automotive Environments
MAX5080, MAX5081 1A, 40V, MAXPower Step-Down DC-DC Converters

DS4305, DS4305K Electronically Programmable Voltage Reference

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
DS4303, DS4303K Electronically Programmable Voltage Reference

Nonvolatile Sample and Infinite-Hold Adjustable Voltage Reference for Automated Factory Calibration
MAX5072 2.2MHz, Dual-Output Buck or Boost Converter with POR and Power-Fail Output

MAX5073 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs

MAX5098A Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection

High Switching Dual Regulator Operates Outside of AM Frequency Band and Provides Up to 80V Load Dump Protection
MAX5099 Dual, 2.2MHz, Automotive Synchronous Buck Converter with 80V Load-Dump Protection

High-Switching Dual Regulator Operates Outside of AM Frequency Band and Provides Up to 80V Load-Dump Protection
MAX8646 6A, 2MHz Step-Down Regulator with Integrated Switches

Smallest, Most Efficient 6A Step-Down Regulator and Up to 2.4MHz Frequency
MAX5088, MAX5089 2.2MHz, 2A Buck Converters with an Integrated High-Side Switch

Up to 2.2MHz Switching Frequency Prevents Harmonics from Interfering in the ADSL2+ and Automotive AM Radio Frequency Bands
MAX8643 3A, 2MHz Step-Down Regulator with Integrated Switches

Smallest, Most Efficient 3A Step-Down Regulator Up to a 2.4MHz Frequency
MAX5035 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter

MAX5033 500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter

500mA, 76V, High-Efficiency, MAXPower™ Step-Down DC-DC Converter Consumes Only 350µA Quiescent Current at No Load
MAX1945, MAX1945R, MAX1945S 1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators

Smallest 6A, 1MHz, 1%-Accurate Internal Switch Step-Down DC-DC
MAX1951, MAX1952 1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-DC Regulators Require Only 10µF Ceramic Capacitor
MAX1973, MAX1974 Smallest 1A, 1.4MHz Step-Down Regulators

MAX1970, MAX1971, MAX1972 Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO

Smallest Internal Switch Dual Step-down for GBICs , xDSL Modems & USB Powered Devices



Key Specifications:

Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Preset VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Design Tools Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX15048  4.7 23 0.6 20 - 15 15 Resistor 3 1200 -
TQFN/32
26
MAX15049  4.7 23 0.6 20 - 15 15 Resistor 3 1200 -
TQFN/32
26
MAX1951A  2.6 5.5 0.8 5 - 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX15036  4.5 23 - - - - - Resistor 1 2200 -
TQFN/16
26
MAX15037  4.5 23 0.6 23 - 3 3 Resistor 1 2200 -
TQFN/16
26
MAX15038  2.9 5.5 0.6 4.5 - 4 4
Digital/VID
Dyn. REF In
Resistor
1 2000 EE-Sim
TQFN/24
16.8
MAX15039  2.9 5.5 0.6 4.5 - 6 4
Digital/VID
Dyn. REF In
Resistor
1 2000 EE-Sim
TQFN/24
16.8
MAX5099  4.5 19 0.8 16.5 - 2 2 Resistor 2 2200 -
TQFN/32
26
MAX5098A  4.5 19 0.8 16.5 - 2 2 Resistor 2 2200 -
TQFN/32
26
MAX15002  4.5 23 0.6 18 - 20 20 Resistor 2 2200 -
TQFN/40
37.2
MAX8833  2.35 3.6 0.6 3.3 - 3 3 Resistor 2 2000 -
TQFN/32
26
MAX8855  2.35 3.6 0.6 3.3 - 5 5 Resistor 2 2000 -
TQFN/32
26
MAX8643A  2.35 3.6 0.6 2.5 - 3 3
Digital/VID
Dyn. REF In
Preset
Resistor
1 2000 EE-Sim
TQFN/24
16.8
MAX8646  2.35 3.6 0.6 2.5 - 6 6
Digital/VID
Dyn. REF In
Preset
Resistor
1 2000 -
TQFN/24
16.8
MAX5090  6.5 76 1.265 11 5 2 2
Preset
Resistor
1 125 -
TQFN/16
26
MAX5088  4.5 23 0.6 20 - 2 2 Resistor 1 2200 -
TQFN/16
26
MAX5089  4.5 23 0.6 20 - 2 2 Resistor 1 2200 -
TQFN/16
26
MAX5080  4.5 40 1.23 32 - 1 1 Resistor 1 250 -
TQFN/16
26
MAX5081  7.5 40 1.23 32 - 1 1 Resistor 1 250 -
TQFN/16
26
MAX5072  4.5 23 0.8 28 - 2 2 Resistor 2 2200 -
TQFN/32
26
MAX5073  5.5 23 0.8 28 - 2 2 Resistor 2 2200 -
TQFN/28
26
MAX5033  7.5 76 1.25 13.2
3.3
5
12
0.5 0.5
Preset
Resistor
1 125 EE-Sim
PDIP(N)/8
SOIC(N)/8
30.9
MAX5035  7.5 76 1.25 13.2
3.3
5
12
1 1
Preset
Resistor
1 125 EE-Sim
PDIP(N)/8
SOIC(N)/8
30.9
MAX1945  2.6 5.5 0.8 4.5
1.8
2.5
6 6
Preset
Resistor
1 500 -
TSSOP-EP/28
63.7
MAX1951  2.6 5.5 0.8 5 - 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX1952  2.6 5.5 1.8 1.8 1.8 2 2 Resistor 1 1000 -
SOIC(N)/8
31
MAX1973  2.6 5.5 1.25 5
1.8
2.5
0.95 0.95
Preset
Resistor
1 1400 -
µMAX/10
15.4
MAX1974  2.6 5.5 0.75 5
1
1.5
0.95 0.95
Preset
Resistor
1 1400 -
µMAX/10
15.4
MAX1970  2.6 5.5 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 1400 -
QSOP/16
30.9
MAX1971  2.6 5.5 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 700 -
QSOP/16
30.9
MAX1972  2.6 5.5 0.8 5
1.5
1.8
2.5
3.3
0.75 0.75
Preset
Resistor
2 1400 -
QSOP/16
30.9
See All Step-Down Switching Regulators (284)

Step-Up Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX15036  4.5 23 - - - - Resistor 1 2200
TQFN/16
26
MAX5072  4.5 0.8 28 2 2 2
TQFN/32
MAX5073  5.5 0.8 28 2 2 2
TQFN/28
See All Step-Up Switching Regulators (91)

Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
Calibration Method ISUPPLY
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Noise 0.1Hz to 10Hz
(µVpp)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max @ +25°C max min max typ max w/pins
DS4305  Programmable (within 300mV of Rails) 24 0.03 E2CRef. 2000 4 5.5 160 -40 to +125
SOT/3
SOT/5
8
DS4303  30 1600 2.4 3.6 200 -40 to +85
SOT/5
9
See All Voltage References (168)





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