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See Technical Specifications

MAX5070BASA+ +BOM

Flyback Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 8-SOIC

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

MAX5070BASA+
Datasheet:

MAX5070BASA+ Datasheet (PDF)
Topology:

Flyback, Forward, Push-Pull
Number of Outputs:

1 Output
Switching Frequency:

1 MHz
Duty Cycle - Max:

49.8 %
EDA/CAD Models:

Request Free CAD Models for MAX5070BASA+

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Tel: +852 95804164

MAX5070BASA+ General Description

The MAX5070/MAX5071 BiCMOS, high-performance,current-mode PWM controllers have all the featuresrequired for wide input voltage range isolated/nonisolatedpower supplies. These controllers are used for low- andhigh-power universal input voltage and telecom powersupplies.

Key Features

Pin-for-Pin Replacement for UC2842 (MAX5070A) and UC2844 (MAX5070B)
2A Drive Source and 1A Sink Capability
Up to 1MHz Switching Frequency Operation
Bidirectional Synchronization (MAX5071A/MAX5071B)
Advanced Output Drive for Secondary-Side Synchronous Rectification (MAX5071C)
Fast 60ns Cycle-by-Cycle Current Limit
Trimmed Oscillator Capacitor Discharge Current Sets Maximum Duty Cycle Accurately
Accurate 5% Start and Stop Voltage with 6V Hysteresis
Low 32µA Startup Current
5V Regulator Output (VREF) with 20mA Capability
Overtemperature Shutdown

Application

Computer Systems/Servers
Industrial Power Conversion
Isolated Keep-Alive Circuits
Isolated Power Supplies
Isolated Telecom Power Supplies
Networking Systems
Universal Input AC/DC Power Supplies

Specifications

Product Category	Switching Controllers	Topology	Flyback, Forward, Push-Pull
Number of Outputs	1 Output	Switching Frequency	1 MHz
Duty Cycle - Max	49.8 %	Input Voltage	15 V
Output Voltage	5 V	Output Current	2 A
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Mounting Style	SMD/SMT	Fall Time	22 ns
Operating Supply Current	32 uA	Operating Supply Voltage	11 V to 26.5 V
Product Type	Switching Controllers	Rise Time	15 ns
Series	MAX5070B	Factory Pack Quantity	100
Subcategory	PMIC - Power Management ICs	Type	Current Mode PWM Controllers
Part # Aliases	MAX5070B	Unit Weight	0.006596 oz