Cellular Handsets - Parts List



		Overview
		Suggested Components
		Application Notes

Maxim > Solutions > Cellular Handsets

Switching Regulators

DATA SHEETS

Display

Title / Parts

Key Advantages

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: Switch-Mode DC-DC Power Supplies
Part Number	Topology	V_IN (min) (V)	V_IN (max) (V)	Number of DC-DC Outputs	Preset V_OUT (V)	Digital/VID Programmed Output	Min. Adjustable V_OUT (V)	Max. Adjustable V_OUT (V)	I_OUT (A)	Operating Current, I_CC (max) (mA)	Fixed Freq/PWM Operation	Operating Freq. (kHz)	Internal Power Switch(es)	Synchronous Rectifier	Package	Smallest Available Package (max w/pins) (mm²)
MAX8640Y	Step-Down	2.7	5.5	1	1.1 1.2 1.3 1.5 1.8 2.5	No	-	-	0.5	0.048	Yes	2000	Yes	Yes	MicroDFN/6 SC-70/6	2
MAX8640Z	Step-Down	2.7	5.5	1	1.1 1.2 1.3 1.5 1.8	No	-	-	0.5	0.048	Yes	4000	Yes	Yes	MicroDFN/6 SC-70/6	2
MAX8560	Step-Down	2.7	5.5	1	-	No	0.6	2.5	0.5	0.08	Yes	-	Yes	Yes	SOT-23/5	8
MAX8561	Step-Down	2.7	5.5	1	-	No	0.6	2.5	0.5	0.08	Yes	-	Yes	Yes	THIN QFN (Dual)/8	10
MAX8562	Step-Down	2.7	5.5	1	-	No	0.6	2.5	0.5	0.08	Yes	-	Yes	Yes	THIN QFN (Dual)/8	10
MAX1572	Step-Down	2.6	5.5	1	-	Yes	0.75	2.5	0.8	0.08	Yes	2000	Yes	Yes	THIN QFN/12	17
MAX1920	Step-Down	2	5.5	1	-	No	1.25	4	0.4	0.07	No	1200	Yes	Yes	SOT-23/6 THIN QFN (Dual)/6	9
MAX1921	Step-Down	2	5.5	1	1.5 1.8 2.5 3.3	No	-	-	0.4	0.07	No	1200	Yes	Yes	SOT-23/6	9
MAX1760	Step-Up	0.7	5.5	1	3.3	No	2.5	5.5	0.8	0.185	Yes	1000	Yes	Yes	THIN QFN (Dual)/10 uMAX/10	10
MAX1687	Step-Up	2.7	6	1	-	No	1.25	6	2.5	4	Yes	500	Yes	Yes	SOIC/8 TSSOP/16	31
MAX1688	Step-Up	2.7	6	1	-	No	1.25	6	2.5	4	Yes	500	Yes	Yes	SOIC/8 TSSOP/16	31
See All Switch-Mode DC-DC Power Supplies (418)