丝印：1239；Package：WLCSP；Ultra-Low IQ Buck Regulator with Bypass

• 950nA quiescent current • 86% efficiency at 10µA load (VIN = 3.6V, VOUT = 3.3V) (ISL9123/A) • 97% peak efficiency (VIN = 3.6V, VOUT = 3.3V) (ISL9123/A) • Input voltage range: 1.8V to 5.5V • Output voltage range: 0.4V to 5.375V (ISL9123/A) • Output voltage range: 0.4V to 1.180V (IS

文件：1.61768 Mbytes 页数：29 Pages

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瑞萨

丝印：1239A100；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239A065；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239B100；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239B065；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239C065；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239D100；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239D065；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239E100；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体

丝印：1239E065；Package：SOIC-7；Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

ONSEMI

安森美半导体