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AP2553A

Diodes
Part Number AP2553A
Manufacturer Diodes
Description PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES
Published Jan 17, 2013
Detailed Description NOT RECOMMENDED FOR NEW DESIGN USE AP22652/AP22653/AP22652A/AP22653A AP2552/AP2553 AP2552A/AP2553A PRECISION ADJUSTABL...
Datasheet PDF File AP2553A PDF File

AP2553A
AP2553A


Overview
NOT RECOMMENDED FOR NEW DESIGN USE AP22652/AP22653/AP22652A/AP22653A AP2552/AP2553 AP2552A/AP2553A PRECISION ADJUSTABLE CURRENT-LIMITED POWER SWITCHES Description The AP2552/53 and AP2552A/53A are single channel precision adjustable current-limited switches optimized for applications that require precision current limiting, or to provide up to 2.
1A of continuous load current during heavy loads/short circuits.
These devices offer a programmable current-limit threshold between 75mA and 2.
36A (Typ.
) via an external resistor.
Current limit accuracy ±6% can be achieved at high current-limit settings.
The rise and fall time are controlled to minimize current surges during turn on/off.
The devices have fast short-circuit response time for improved overall system robustness.
They provide a complete protection solution for applications subject to heavy capacitive loads and the prospect of short circuit, offering reverse current blocking and limiting, overcurrent, over-temperature and short-circuit protection, as well as controlled rise time and under-voltage lockout functionality.
A 7ms deglitch capability on the open-drain Flag output prevents false over-current reporting and does not require any external components.
AP2552/53 limits the output current to a safe level when the output current exceeds current-limit threshold.
AP2552A/53A provides latch-off function during over-current or reverse-voltage conditions.
All devices are available in SOT26 and U-DFN2020-6 (Type C) packages.
Pin Assignments (TTooppVVieieww)) OUT 1 6 IN ILIM 2 5 GND FAULT 3 4 EENN/EN U-DFUN-2D0F2N02-602(0T-y6pe C) (TToopp VView) IN 1 6 OUT GND 2 5 ILIM EN/EN 3 4 FAULT SSOOTT2266 Features • Up to 2.
1A Maximum Load Current • Accurate Adjustable Current Limit, 75mA to 2365mA • ±6% Accurate Adjustable Current Limit, 1.
632A with RLIM = 15kΩ • Constant-Current (AP2552/53) During Over-Current • Output Latch-Off (AP2552A/53A) at Over-Current • Fast Short-Circuit Response Time: 2µs (T...



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