STBC03 Datasheet, PDF (14/34 Pages) STMicroelectronics – Li-Ion linear battery charger with LDO and load switches

Typical performance characteristics
STBC03
5
Typical performance characteristics
Figure 3: Battery mode 3 V LDO load transient
response
Figure 4: Thermal management
VBAT = 3.7 V, 10 mA to 150 mA, slope 150 mA/1 µs
CH2 (red) = LDO 1 V/div
CH3 (green) = LDO 10 mV/div
CH4 (pink) = LDO load variation
Figure 5: VIN mode, overvoltage protection
VBAT = 3.7 V, VIN = 5.0 V
CH1 (blue) = VSYS
CH2 (red) = LDO
CH3 (green) = VBAT
CH4 (pink) = IBAT
Figure 6: Pre-charge to fast charge mode transition
threshold
Charging is resumed when OVP disappears
CH1 (blue) = VIN 800 mV/div
CH2 (red) = VSYS 800 mV/div
CH3 (green) = VBAT 800 mV/div
CH4 (pink) = IBAT 20 mA/div
CH1 (blue) = VIN 800 mV/div
CH2 (red) = VSYS 800 mV/div
CH3 (green) = VBAT 800 mV/div
CH4 (pink) = IBAT 20 mA/div
14/34
DocID029927 Rev 2