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AN8021L

Features: · It operates at a control frequency up to 700 kHz, realizing the output rise time of 35 ns and the output fall time of 25 ns.· Pre-start operating current is as small as 70 mA (typical) so that it is possible to use a miniaturized start resistor.· Output block employs totem pole method....

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SeekIC No. : 004285595 Detail

AN8021L: Features: · It operates at a control frequency up to 700 kHz, realizing the output rise time of 35 ns and the output fall time of 25 ns.· Pre-start operating current is as small as 70 mA (typical) s...

AN8021L Data Sheet

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Part Number:
AN8021L
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· It operates at a control frequency up to 700 kHz, realizing the output rise time of 35 ns and the output fall time of 25 ns.
· Pre-start operating current is as small as 70 mA (typical) so that it is possible to use a miniaturized start resistor.
· Output block employs totem pole method.
    The absolute maximum rating of ±1.0 A (peak) allows the direct drive of power MOSFET.
· Built-in pulse-by-pulse overcurrent protection circuit
· Built-in protection circuit against malfunction at low  ltage (on/off: 14.2 V/9.2 V)
· Equipped with timer latch function and overvoltage protection  circuit.
· Two kinds of packages: 9-pin SIP, 16-pin SOP


Application

· Various power supply equipment


Pinout

Connection Diagram


Specifications

Parameter Symbol Rating Unit
Supply voltage VCC 35 V
OVP terminal allowable application voltage VOVP VCC V
CLM terminal allowable application voltage VCLM - 0.3 to +7.0 V
SS terminal allowable application voltage VSS - 0.3 to +7.0 V
Constant output current IO ±150 mA
Peak output current IOP ±1 000 mA
IFB terminal allowable application voltage IFB -5 mA
Power dissipation AN8021L PD 658 mW
AN8021SB 340
Operating ambient temperature * Topr -30 to +85 °C
Storage temperature * Tstg -55 to +150 °C



Description

Pin No. Symbol Description
1 SS Soft start pin
2 RT Resistor connection pin that determines charge and discharge current of triangular wave
3 CT Triangular wave generating capacitor connection pin
4 CLM(-) Pulse-by-pulse overcurrent protection input pin
5 GND Grounding pin
6 VOUT Power MOSFET direct drive pin
7 VCC  Power supply voltage pin
8 TIM/OVP Pin for overvoltage protection and timer latch (joint use)
9 IFB Current feedback signal input pin from power-supply-output photocoupler

 




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