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L5050STR Datasheet(PDF) 3 Page - STMicroelectronics |
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L5050STR Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 25 page ![]() Figure 2. Functional block diagram - L5050SD THERMAL SHUTDOWN CURRENT LIMITER VOLTAGE REFERENCE POWER DRIVER START -UP VS2 EN2 VO2 GND2 + - 2.5 V THERMAL SHUTDOWN CURRENT LIMITER VOLTAGE REFERENCE POWER DRIVER START -UP VS1 EN1 VO1 GND1 + - 2.5 V Table 2. L5050SD pins description Pin name Pin number Function GND1 1 Ground reference for regulator 1 Vo1 2 5 V regulated output 1. Block to GND1 with a ceramic capacitor (≥ 220 nF for regulator stability) GND2 3 Ground reference for regulator 2 Vo2 4 5 V regulated output 2. Block to GND2 with a ceramic capacitor (≥ 220 nF for regulator stability) VS2 5 Supply voltage 2, block directly to GND2 on the IC with a capacitor En2 6 Enable pin for regulator 2: • high signal to switch the regulator on VS1 7 Supply voltage 1, block directly to GND1 on the IC with a capacitor. En1 8 Enable pin for regulator 1: • high signal to switch the regulator on L5050 Block diagram and pins description DS13704 - Rev 3 page 3/25 |
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