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L99VR01 数据表(PDF) 2 Page - STMicroelectronics |
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L99VR01 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 40 page  1 Block diagram and pins description Figure 1. Functional block diagram of L99VR01S Figure 2. Functional block diagram of L99VR01J THERMAL SHUTDOWN CURRENT LIMITER POWER DRIVER Vs E N TW RST SEL3 SEL2 Vo GND - + SEL1 Ishort ADVANCED THERMAL WARNING TEST CONTROLLER T1 T2 START-UP RFD= 75 Ω OUTPUT VOLTAGE SELECTOR VOLTAGE REFERENCE LOW VOLTAGE RESET Table 1. Pins description Pin name SO-8 pin PowerSSO-12 pin Function VS 1 1 Supply voltage. Block directly to ground with ceramic capacitor ≥ 4.7 µF and a 100 nF capacitator as close as possible to the pin SEL1 2 2 Output voltage selectors. SEL2 3 3 L99VR01 Block diagram and pins description DS13649 - Rev 4 page 2/40 |
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