Cordless Phones - Parts List



		Overview
		Suggested Components
		Application Notes
		New Product Announcements

Maxim > Solutions > Cordless Phones

Step-Up System Power

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

2.5MHz/1.5MHz Step-Down Converters with 60m ohm

Bypass in TDFN for CDMA PA Power
MAX8581, MAX8582

Overall Smallest Solution 1.5MHz Step-Down DC-DC Converters Deliver 600mA with Up to 94% Efficiency in a Small TDFN Package

QV PDF

Low Input/Output Voltage Step-Up DC-DC Converter with RESET-bar
MAX1947

Smallest 1.8V Output Step-Up Converter with TrueShutdown™ for 1-/2-Cell Alkaline Handhelds

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

High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters
MAX1674, MAX1675, MAX1676

Compact, Low-Cost, Low-Noise Design: Inductor Damping Switch Eliminates Ringing, Improves EMI

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)
MAX8581	Step-Down	2.7	5.5	1	-	No	0	5	0.6	4	Yes	2500	Yes	Yes	THIN QFN (Dual)/10	10
MAX8582	Step-Down	2.7	5.5	1	-	No	0	5	0.6	4	Yes	1500	Yes	Yes	THIN QFN (Dual)/10	10
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
MAX1947	Step-Up	0.7	3.6	1	1.8 1.9 2.5 2.7 3.3	No	-	-	0.25	0.11	Yes	-	Yes	Yes	THIN QFN (Dual)/8	10
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
MAX1674	Step-Up	0.7	5.5	1	3.3	No	2	5.5	0.3	0.035	No	-	Yes	Yes	uMAX/8	16
MAX1675	Step-Up	0.7	5.5	1	3.3	No	2	5.5	0.3	0.035	No	-	Yes	Yes	uMAX/8	16
MAX1676	Step-Up	0.7	5.5	1	3.3	No	2	5.5	0.3	0.06	No	-	Yes	Yes	uMAX/10	15
See All Switch-Mode DC-DC Power Supplies (421)