## Summary of Electrical Characteristics (SC654)

This document details the electrical characteristics of the SC654 device. Here's a breakdown of the key parameters, organized for clarity:

1. General Parameters:

️· Shutdown Current (IQ(OFF)): 0.1 - 2 µA
️· Total Quiescent Current (IQ): Varies based on conditions.
- All outputs disabled: 60 - 100 µA
- Charge pump enabled, 1x mode, all LEDs on: 1.8 µA
️· Maximum Total Output Current (IOUT(MAX)): 150-25 mA (depending on VIN)
️· Backlight Current Setting (IBLn): 0 - (Nominal setting for each backlight)
️· Backlight Current Matching (IBL-BL): -3.5% to +3.5% (at 12mA)
️· Backlight Current Accuracy (IBL_ACC): -8% to +8% (at 12mA)

2. Charge Pump & Switching:

️· 1x to 1.5x Mode Transition Voltage (VTRANS1x): 3.26V (at 60mA IOUT)
️· 1x Mode Hysteresis (VHYST1x): 250mV
️· 1.5x to 2x Mode Transition Voltage (VTRANS1.5x): 3.07V (at 60mA IOUT)
️· Charge Pump Frequency (fPUMP): 250kHz (typical)

3. Current & Leakage:

️· Current Sink of Off-State Leakage (IBLn(off)): 0.1 - 1µA (VIN = 4.2V)

4. Protection & Limits:

️· Output Short Circuit Current Limit (IOUT(SC)): 60mA or 300mA (depending on VOUT)
️· Under Voltage Lockout (VUVLO-OFF): 2.7V (rising VIN)
️· Under Voltage Lockout Hysteresis (VUVLO-HYS): 800mV
️· Over Voltage Protection (VOVP): 5.7 - 6.0V
️· Over Temperature Protection (TOT): 160°C
️· Over Temperature Protection Hysteresis (TOT-HYS): 20°C

Important Notes:

️· Values are typical unless otherwise specified.
️· Conditions for measurement are specified in each row (e.g., input voltages, load currents).
️· This is a summary; the complete datasheet should be consulted for detailed specifications and operating conditions.