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ST619 数据表(PDF) 3 Page - STMicroelectronics |
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ST619 数据表(HTML) 3 Page - STMicroelectronics |
3 / 9 page ST619LB SERIES 3/9 CONNECTION DIAGRAM (top view) ORDERING CODES PIN DESCRIPTION ELECTRICAL CHARACTERISTICS (VI=2 to 3.6V, C1 = C2 =0.22µF, C3 = C4 =10µF, TA = -40 to 85°C, unless otherwise specified. Typical value are referred at TA = 25°C) Note: Do not overload or short the Output to Ground. If the above conditions are not observed the device may be damaged. TYPE DIP-8 SO-8 SO-8 (T&R) ST619LB ST619LBN ST619LBD ST619LBDR Pin N° Symbol Name and Function 1 C1+ Positive terminal for the first charge pump capacitor 2 IN Input supply voltage 3 OUT 5V output voltage. VO=0V when in shutdown mode. 4 C2+ Positive terminal for the second charge pump capacitor 5 C2- Negative terminal for the second charge pump capacitor 6 GND Ground 7 SHDN Active high C-MOS logic level shutdown input. SHDN is connected to GND for normal operation. 8 C1- Negative terminal for the first charge pump capacitor Symbol Parameter Test Conditions Min. Typ. Max. Unit VI Input Voltage 2 3.6 V VO Output Voltage VI = 2 to 3.6V IO =0 to 20mA VI = 3 to 3.6V IO =0 to 30mA 4.8 4.8 5 5 5.2 5.2 V V VRIPPLE Output Voltage Ripple No load, Full Load 100 mV Ii No Load Supply Current VI = 2 to 3V No Load VI = 3 to 3.6V No Load 200 75 300 150 µA µA ISHDN Shutdown Supply Current VI = 2 to 3.6V No Load VSHDN = VI 0.02 1 µA ν Efficency VI = 3V IO =20mA VI = 3V IO =30mA VI = 2V IO =20mA 82 82 80 % % % fOSC Switching Frequency Full Load 500 KHz VIH SHDN Input Threshold 0.7VI V VIL SHDN Input Threshold 0.4 V IIH SHDN Input Current VSHDN = VI 0.005 ± 1 µA |
类似零件编号 - ST619 |
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类似说明 - ST619 |
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