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BA9755S - High voltage controller for CRT displays

Description

Pin No.

1 Pin name GND Function Ground This is the common ground for the small signal system and the power system, and so requires a stable ground suitable for common impedance.

PWM wave output Output is fixed at the low level when the protector circuit or thermal shutdown circuit is activated.

Features

  • 1) Internal chopper voltage controller. 2) Two internal high-precision power supplies, each with an output voltage precision of ±1%. 3) Internal output voltage error detector. 4) Internal buffer circuit that directly drives power MOSFET for output drive.
  • Absolute maximum ratings (Ta = 25°C) Parameter Applied voltage 1 Applied voltage 2 Power dissipation Operating temperature Storage temperature Symbol VCC1 VCC2 Pd Topr Tstg Limits 18∗1 20∗2 600∗1.
  • 25 ~ + 75.

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Datasheet Details

Part number BA9755S
Manufacturer ROHM
File Size 135.32 KB
Description High voltage controller for CRT displays
Datasheet download datasheet BA9755S Datasheet

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Full PDF Text Transcription

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Multimedia ICs High voltage controller for CRT displays BA9755S The BA9755S is an LSI chip with a chopper voltage controller designed to control the anode voltage of multiscan monitors and other CRTs. There are two internal high-precision power supplies, each with an output voltage precision of ±1%. Using a high-precision voltage detection resistor makes it possible to set anode voltage without adjustment. Other internal components include an output voltage error detector and an overcurrent detector, which detects overcurrent when the power is turned on. Applications • CRT displays and HDTV products Features • 1) Internal chopper voltage controller. 2) Two internal high-precision power supplies, each with an output voltage precision of ±1%. 3) Internal output voltage error detector.
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