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Maxim > Solutions > Cellular Handsets

Switching Regulators

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 1.8A Step-Down Regulator with Differential Remote Sense in 2mm x 2mm WLP
MAX8649

Ideal for High Performance Applications Processors with Better than 2% Voltage Accuracy Over Line, Load, and Temperature
QV  PDF Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters
MAX8640Y, MAX8640Z

Smallest 2mm x 2.1mm SC70 Package, the Industry's Smallest Total Solution Size, and Most Robust 4MHz/2MHz Step-Down DC-DC Converters on the Market that Can Deliver 500mA with Over 93% Efficiency
QV  PDF 4MHz, 500mA Synchronous Step-Down DC-DC Converters in Thin SOT and TDFN
MAX8560, MAX8561, MAX8562

First 4MHz Step-Down DC-DC Converters Deliver 500mA with Over 90% Efficiency in SOT23 and TDFN
QV  PDF 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with Reset
MAX1572

First 800mA, Sub-1V, 2MHz, PWM, Step-Down DC-DC Uses Tiny 2.2µH Inductor, Includes Reset Output
QV  PDF Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23
MAX1920, MAX1921

QV  PDF 0.8A, Low-Noise, 1MHz, Step-Up DC-DC Converter
MAX1760, MAX1760H

QV  PDF Step-Up DC-DC Converters with Precise, Adaptive Current Limit for GSM
MAX1687, MAX1688

Reduces GSM Battery Peak Current by 6x, Eliminates DC-DC Noise during Transmission with User Selectable Disable



Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX8640Y  2.7 5.5 1 2.5 1.0
1.1
1.2
1.3
1.5
1.8
2.5
0.5 0.5 Preset
Resistor
0.048 1 2000 µDFN/6
SC70/6
2
MAX8640Z  2.7 5.5 1.1 1.8 1.1
1.2
1.3
1.5
1.8
0.5 0.5 Preset
Resistor
0.048 1 4000 µDFN/6
SC70/6
2
MAX8560  2.7 5.5 0.6 2.5  -  0.5 0.5 Resistor 0.08 1 4000 TSOT/5 8
MAX8561  2.7 5.5 0.6 2.5  -  0.5 0.5 Resistor 0.08 1 4000 TDFN-EP/8 10
MAX8562  2.7 5.5 0.6 2.5  -  0.5 0.5 Resistor 0.08 1 4000 TDFN-EP/8 10
MAX1572  2.6 5.5 0.75 2.5  -  0.8 0.8 Digital/VID 0.08 1 2000 TQFN/12 17
MAX1920  2 5.5 1.25 4  -  0.4 0.4 Resistor 0.07 1 1200 SOT/6
TDFN-EP/6
9
MAX1921  2 5.5 1.5 3.3 1.5
1.8
2.5
3.0
3.3
0.4 0.4 Preset
Resistor
0.07 1 1200 SOT/6 9
See All Step-Down Switching Regulators (252)

Key Specifications:   Step-Up Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) Preset VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX1760  0.7 5.5 2.5 5.5 3.3 0.8 0.8 Preset
Resistor
0.185 1 1000 µMAX/10
TDFN-EP/10
10
MAX1687  2.7 6 1.25 6  -  2.5 2.5 Resistor 4 1 500 SOIC(N)/8
TSSOP/16
31
MAX1688  2.7 6 1.25 6  -  2.5 2.5 Resistor 4 1 500 SOIC(N)/8
TSSOP/16
31
See All Step-Up Switching Regulators (93)



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