AP3602 A / B為穩壓升壓DC / DC電荷泵技術的轉換器。 這些IC提供100mA恆定輸出的電流或250mA輸出電流持續100ms
3.0V至5V輸入(對於AP3602B為2.7V至4.5V),因此它們可用作白光LED或閃光燈LED驅動。
AP3602A / B的功耗非常低,並且效率很高。 其它功能還有過熱保護,低溫係數。
商品特色
- 低靜態電流:典型值為13μA
- 穩壓輸出電壓精度:4%
- 高輸出電流:
VIN≥3.0V時為100mA
VIN≥2.7V時為50mA
- 高頻:高達1.2 MHz
- 低關斷電源電流:<1μA
- 高輸出峰值電流:250mA,持續100ms·過溫保護
- 工作溫度範圍:-40°C至85°C
商品應用
- 手機背光驅動
- 相機閃光燈LED驅動器
- MP3, MP4
- 手持裝置
- 方便攜帶通訊裝置
Pin Number |
Pin Name |
Function |
1 |
VOUT |
Regulated Output Voltage. VOUT should be bypassed with a 1μF to 22μF low ESR ceramic capacitor which is placed as close to the pin as possible for best performance |
2 |
GND |
Ground. GND should be tied to a ground plane for best performance. The COUT and CIN should be placed as close to this pin as possible |
3 |
SHDN |
Active Low Shutdown Input. A low signal on SHDN disables the AP3602A/B, while a high signal enables the AP3602A/B. SHDN pin must not be allowed to float |
4 |
C- |
Flying Capacitor Negative Terminal. The flying capacitor should be placed as close to this pin as possible |
5 |
VIN |
Input Supply Voltage. VIN should be bypassed with a 1μF to 22μF low ESR ceramic capacitor which is placed as close to the pin as possible for best performance |
6 |
C+ |
Flying Capacitor Positive Terminal. The flying capacitor should be placed as close to this pin as possible |
Datasheet