Diodes Incorporated — Analog and discrete power solutions
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AP3201A (NRND)

NRND = Not Recommended for New Design

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Description

The AP3201A is a 380kHz fixed frequency, current mode, PWM buck (step-down) DC-DC converter, capable of driving a 2A load with high efficiency, excellent line and load regulation. The device integrates N-channel power MOSFET switch with low on-resistance. Current mode control provides fast transient response and cycle-by-cycle current limit. A standard series of inductors are available from several different manufacturers optimized for use with the AP3201A. This feature greatly simplifies the design of switch-mode power supplies. This IC is available in HMSOP-10 package.

Application(s)

  • LCD TV
  • Set Top Box
  • Portable DVD
  • Digital Photo Frame

Product Specifications

Product Parameters

Efficiency (%) 93
Frequency Typ (Hz) 380
HS RDS(ON) (mΩ) 220
LS RDS(ON) (mΩ) 10000
MaximumInput Voltage (V) 18
MinimumInput Voltage (V) 4.75
Output Current (mA) 2
Output Voltage (V) ADJ
Quiescent Current Typ (mA) 1
Shutdown Current Typ (µA) 1
Type Buck

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Quality Documentation

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Recommended Soldering Techniques

TN1.pdf