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參數(shù)資料
| 型號： | HA16138PS |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
| 中文描述： | AC / DC開關變換器控制IC與高壓電源MOS FET |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 96K |
| 代理商： | HA16138PS |
HA16138PS
AC/DC Switching Converter Controller IC
With High-Voltage Power MOS FET
ADE-204-032 (Z)
Preliminary
1st Edition
MAY 2000
Description
The HA16138PS is an IC with a high-voltage power MOS FET and current-mode type PWM controller
mounted in a DILP-8 (DP-8) standard package, suitable for low-power power supplies in the
10 W class and below.
The HA16138PS includes an energy-saving mode for holding down power consumption when on standby
(no load). When the energy-saving mode is entered, the operating frequency is reduced to 1/4 the normal
frequency, reducing power consumption. A starter circuit is also provided on-chip, eliminating the need for
the external start-up resistance needed with previous controller ICs. The starter circuit in this IC is turned
off automatically after the IC starts up, enabling the start-up resistance power consumption to be decreased.
The HA16138PS includes a soft start circuit, OVP circuit, and remote on/off circuit, making it possible to
configure a simple protection circuit with fewer external parts than previously. Also provided are a current
sense resistance and a leading edge blanking circuit that masks spike noise on current sense input, making
noise reduction in a power supply set comparatively easy.
The HA16138PS is equipped with an error amp circuit inverting input (FB) pin and output (COMP) pin,
enabling special-purpose design for both flyback system secondary-side output voltage detection and
primary-side back-up transformer output voltage detection types.
Features
Built-in high-voltage power MOS FET
Energy-saving mode (power saving through reduction of operating frequency to 1/4 normal frequency
when on standby)
Built-in starter circuit, reducing power loss of start-up resistance when on standby (external start-up
resistance not necessary)
Built-in soft start circuit, eliminating need for external connection
Remote on/off function, enabling power saving by halting PWM output without turning off power
supply
Built-in current sense resistance and leading edge blanking circuit, for sense-resistance-less and noise-
cancellation-filter-less implementation
Built-in over voltage protection circuit
Built-in over temperature protection circuit
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相關代理商/技術參數(shù) |
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| HA16141FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
| HA16141P | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:PFC and PWM Controller |
| HA16141P_05 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
| HA16142FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
| HA16142P | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
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