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HY5002 Datasheet 1-chip Composed Of High-current Totem Pole

Manufacturer: HAWYANG

Datasheet Details

Part number HY5002
Manufacturer HAWYANG
File Size 146.74 KB
Description 1-chip composed of high-current totem pole
Datasheet HY5002-HAWYANG.pdf

General Description

The HY5002, a 1-chip posed of high-current totem pole output circuits with a PWM latch, current sense parator and an error amplifier, the HY5002 contains a 5V precision voltage reference regulator, under-voltage lockout circuit (UVLO), oscillator circuit and a green power function, applied to offer space and low cost in many applications such as the DC/DC converter and off-line AC adaptor or switching power supply.

-1- Typical Application Circuit F1 N L2 1 3 250V/2A CX2 0.1/275V CX1 0.47/275V R1 1M THR L 12 tn55 CY1 24 CMLF 31 BD1 2- +4 KBP206G + C1 47uF/400V R20 330K/2W T1 .102/1KV C13 3 332 PR1502 D3 .T1 R19 10 C16 + 47uF/50V AC INPUT CON1 N1 2 L VCC GATE FB CS 13 R6 820K/0.25W VCC R5 1M U2 PC817 FB GATE CS VCC GATE FB CS CON2 1 2 3 4 5 HY5002 Board D1 PR1507 D2 R4 330 C2 102 R22 33 R2 470 31 Q1 C15 2 2SK2141 151K/1KV R3 R/1W T1 .

R21 C14 10 222/1KV L1 D4 STPR10 + C7 470uF/16V +12V + C18 470uF/16V R11 390 +12V R17 R18 15 1K R15 IC2 ZD1 PC817 15V 3 1K C SCR CR02AM 1 REF R16 C12 IC3 KA431A/TO92 A 1K 104 2 C11 104 R13 22K R14 5.6K 2 VR1 1K 31 -2- C6 R9 10K FB R10 10K CS R8 C5 1K R7 U1 5.1K P VREF FB VCC IS OUT RT/CT GND HY5002 C4 VCC GATE Functional Block Diagram -3- MARK VIEW HY5002 A3472 IC Date Code Distinguish PIN DESCRIPTION NAME STATUS DESCRIPTION Is I Current Sense Input OSC I RC Network for Oscillator GND P IC Ground OUT O Totem Pole Output Drive for MOSFET VCC P IC Power Supply Vref O 5.0V Reference Output P O Error Amplifier Feedback Output VFB I Error Amplifier Inverting Input Logo: Hawyang logo Product name: HY5002 (for example) D/C: A34 A – year 2001, B – year 200

Key Features

  • Precision Reference Voltage: 5.0V (±1%) Low start-up current: typ. 50uA High current totem pole output: typ. 700mA Internal temperature compensated oscillator Double pulse suppression UVLO with Hysteresis function Oscillator Frequency: Max. 500KHz Package: PDIP8 / SOP8 Pb General.

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