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Back-Up Battery Switch-Over Power Supplies

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Title / Parts

Key Advantages

QV PDF

Evaluation Kit for the MAX8627
MAX8627EVKIT

QV PDF

Low V_BATT, 20µA I_Q, 1MHz Synchronous Boost Converter with True Shutdown
MAX8627

Ideal for DSC Motors and Backup Power

QV PDF

Complete Backup-Management ICs for Lithium and NiMH Batteries
MAX8568A, MAX8568B

QV PDF

1.5µA I_Q, Step-Up DC-DC Converters in Thin SOT23-5
MAX1722, MAX1723, MAX1724

QV PDF

High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1832, MAX1833, MAX1834, MAX1835

Key Specifications: Battery Backup Circuits

Part Number

Reset Threshold Range (V)

Max. I_CC (µA)

Features

Package

Operating Temp. Range (°C)

2.5 to 3.3
3.3 to 5.5

•	Adjustable Reset Input

•	Batt Freshness Seal

•	Power Fail Comparator

-40 to +85

2.5 to 3.3
3.3 to 5.5

•	Adjustable Reset Input

•	Batt Freshness Seal

•	Power Fail Comparator

-40 to +85

Key Specifications: Step-Up Switching Regulators
Part Number	V_IN (min) (V)	V_IN (max) (V)	Min. V_OUT (V)	Max. V_OUT (V)	Preset V_OUT (V)	I_OUT (A)	I_OUT (A)	Output Adj. Method	Operating Current, I_CC (max) (mA)	Number of DC-DC Outputs	Operating Freq. (kHz)	Package
MAX8627	0.9	5.5	1	5	-	1	1	Resistor	0.03	1	1000	THIN QFN (Dual)/14
MAX1722	0.8	5.5	2	5.5	-	0.15	0.15	Resistor	0.0035	1	-	SOT-23/5
MAX1723	0.8	5.5	2	5.5	-	0.15	0.15	Resistor	0.0035	1	-	SOT-23/5
MAX1724	0.8	5.5	2.7	5	2.7 3.3	0.15	0.15	Preset	0.0035	1	-	SOT-23/5
MAX1832	1.5	5.5	2	5.5	-	0.15	0.15	Resistor	0.008	1	500	SOT-23/6
MAX1833	1.5	5.5	3.3	3.3	3.3	0.15	0.15	Preset	0.008	1	500	SOT-23/6 THIN QFN (Dual)/6
MAX1834	1.5	5.5	2	5.5	-	0.15	0.15	Resistor	0.008	1	500	SOT-23/6
MAX1835	1.5	5.5	3.3	3.3	3.3	0.15	0.15	Preset	0.008	1	500	SOT-23/6
See All Step-Up Switching Regulators (90)