Diodes Incorporated — Analog and discrete power solutions
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AP3502E (NRND)

NRND = Not Recommended for New Design

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Description

The AP3502E is a 340kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 2A load with high efficiency, excellent line and load regulation. The AP3502E exhibits high efficiency at light load. The device integrates N-channel power MOSFET switches with low on-resistance. Current mode control provides fast transient response and cycle-by-cycle current limit. The AP3502E employs complete protection to ensure system security. Including output Over Voltage Protection, input Under Voltage Lock Out, programmable Soft Start, Over Temperature Protection and hiccup mode Short Circuit Protection.

Application(s)

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

Product Specifications

Product Parameters

Efficiency (%) 95
Frequency Typ (Hz) 340
HS RDS(ON) (mΩ) 100
LS RDS(ON) (mΩ) 100
MaximumInput Voltage (V) 18
MinimumInput Voltage (V) 4.5
Output Current (mA) 2
Output Voltage (V) ADJ
Quiescent Current Typ (mA) 1.2
Shutdown Current Typ (µA) 0.1
Type Buck

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