str-a6151 Allegro MicroSystems, Inc., str-a6151 Datasheet - Page 2

• Manufacturer Part Number: str-a6151
• Description: Flyback Switching Regulators | Str-a6131, Str-a6132, Str-a6151, Str-a6159, Str-a6153e, And Str-a6169
• Manufacturer: Allegro MicroSystems, Inc.

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STR-A6131 and STR-A6132
120 V/12 or 16 W
Flyback Switching Regulators
FUNCTIONAL BLOCK DIAGRAM
Copyright © 2005 Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036
Auto-Bias Function
Stable Burst Operation Without Generating Interference
Internal Off-Timer Circuit
Built-In Constant-Voltage Drive
Multiple Protections:
Pulse-by-Pulse Overcurrent Protection
Overload Protection with Auto Recovery
Latching Overvoltage Protection
Undervoltage Lockout with Hysteresis
Latching Thermal Shutdown
Molded Small-Size 8-Pin Package
For Low-Height SMPS
Polarized to Prevent Backwards Assembly
FEATURES
AND
BENEFITS (cont’d)