Datasheet L99VR01 (STMicroelectronics) - 5

L99VR01 Block diagram and pins description PowerSSO-12 Pin name SO-8 pin Function pin
Watchdog refresh input. Wi 10 If the square wave frequency at this input pin is too low, a low pulse at RST pin is generated (just for L99VR01J). Reset output. RST 7 11 It is pulled down when output voltage goes below Vo_th or frequency at Wi is too low (just for L99VR01J). Leave floating if not used. Voltage regulator output. VO 8 12 Block to ground with a capacitor ≥ 3.3 µF (needed for regulator stability). TAB TAB Connected to ground
Figure 3. Pins configuration
SO-8 PowerSSO-12
DS13649
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Rev 2 page 5/47
Document Outline Cover image Product status link / summary Features Description 1 Block diagram and pins description 2 Electrical specifications 2.1 Absolute maximum ratings 2.2 Thermal data 2.2.1 Thermal resistance 2.2.2 Thermal protection 2.3 Electrical characteristics 2.4 Electrical characteristics curves 3 Test circuit and waveforms plot 3.1 Load regulation 4 Application information 4.1 Voltage regulator 4.2 Output current limitation 4.3 Output voltage selection 4.4 Enable 4.5 Reset 4.6 Autonomous watchdog 4.7 Thermal warning and thermal shutdown 4.8 Overvoltage detection by advanced thermal warning read-out 4.9 Fast output discharge 4.10 Undervoltage lockout UVLO 4.11 Functional safety management 5 Application 6 Package and PCB thermal data 6.1 PowerSSO-12 Thermal data 6.2 SO-8 thermal data 7 Package information 7.1 PowerSSO-12 package information 7.2 SO-8 package information 7.3 PowerSSO-12 packaging information 7.4 SO-8 packaging information 8 Order codes Revision history Contents List of tables List of figures