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AN8028 Datasheet Self-excited Rcc Pseudo-resonance Type AC-dc Switching Power Supply Controller

Manufacturer: Panasonic

Overview: Voltage Regulators AN8028 Self-excited RCC pseudo-resonance type AC-DC switching power supply control IC s Overview The AN8028 is an IC developed for controlling the self-excited switching power supply employing the RCC pseudo-resonance type control method. It is pact, equipped only with the necessary minimum functions. The maximum on-period and the minimum off-period can be set separately by using the external capacitor and resistor respectively. It is suitable for the power supply of AV equipment. 2.4±0.25 6.0±0.3 3.3±0.25 Unit: mm 8 0.5±0.1 7 6 23.3±0.3 5 4 1.5±0.25 1.4±0.3 3 2 1 1.5±0.25 2.

General Description

s Pin No.

1 2 3 4 5 6 7 8 9 Symbol TDL TOFF TON CLM GND VOUT VCC TIM/OVP FB Transformer reset detection Pin for connecting C and R to set minimum off-period Pin for connecting C to set minimum on-period Input pin for overcurrent protection detection Grounding pin Output pin Power supply voltage pin Pin for use

Key Features

  • 0.3 +0.1.
  • 0.05.
  • Operating supply voltage range: 3.0±0.3 Stop voltage (8.6 V typical) to 34 V SIP009-P-0000C.
  • Output block employs the totem pole system.
  • Power MOSFET can be directly driven. (output peak current: ±1 A maximum).
  • Small pre-start operating current (95 µA typical) allows using a small size start resistor.
  • Built-in pulse-by-pulse overcurrent protection function.
  • Incorporating the protection circuit against malfunction a.

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