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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
(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)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX8640Y  2.7 5.5 1 2.5
1
1.1
1.2
1.3
1.5
1.8
2.5
0.5 0.5
Preset
Resistor
1 2000
µDFN/6
SC70/6
1.6
MAX8640Z  2.7 1.1 1.8
1.1
1.2
1.3
1.5
1.8
0.5 0.5
Preset
Resistor
4000
µDFN/6
SC70/6
1.6
MAX8560  2.7 0.6 2.5 - 0.5 0.5 Resistor 4000
TSOT/5
8.3
MAX8561  2.7 0.6 2.5 - 0.5 0.5 Resistor 4000
TDFN-EP/8
9.6
MAX8562  2.7 0.6 2.5 - 0.5 0.5 Resistor 4000
TDFN-EP/8
9.6
MAX1572  2.6 0.75 2.5 - 0.8 0.8 Digital/VID 2000
TQFN/12
16.8
MAX1920  2 1.25 4 - 0.4 0.4 Resistor 1200
SOT/6
TDFN-EP/6
9
MAX1921  2 1.5 3.3
1.5
1.8
2.5
3
3.3
0.4 0.4
Preset
Resistor
1200
SOT/6
9
See All Step-Down Switching Regulators (264)

Key Specifications:  Step-Up 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)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX1760  0.7 5.5 2.5 5.5 3.3 0.8 0.8
Preset
Resistor
1 1000
µMAX/10
TDFN-EP/10
9.6
MAX1687  2.7 6 1.25 6 - 2.5 2.5 Resistor 500
SOIC(N)/8
TSSOP/16
30.9
MAX1688  2.7 6 1.25 6 - 2.5 2.5 Resistor 500
SOIC(N)/8
TSSOP/16
30.9
See All Step-Up Switching Regulators (90)



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