SC624A Datasheet, PDF (10/23 Pages) Semtech Corporation – LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and I2C Interface

SC624A
Typical Characteristics (continued)
Load Transient Response (LDO1) — Rising Edge
V =3.7V, V =2.8V, I =1 to 100mA
IN
LDO1
LDO1
V_LDO1 (50mV/div)
Load Transient Response (LDO2) — Rising Edge
V =3.7V, V =1.8V, I =1 to 100mA
IN
LDO2
LDO2
V_LDO2 (50mV/div)
I_LDO1 (100mA/div)
Time (20μs/div)
I_LDO2 (100mA/div)
Time (20μs/div)
Load Transient Response (LDO1) — Falling Edge
V_IN=3.7V, V_LDO1=2.8V, I_LDO1=100 to 1mA
V_LDO1 (50mV/div)
Load Transient Response (LDO2) — Falling Edge
V =3.7V, V =1.8V, I =100 to 1mA
IN
LDO2
LDO2
V_LDO2 (50mV/div)
I_LDO1 (100mA/div)
Time (200μs/div)
Output Short Circuit Current Limit
V_OUT=0V, V_IN=4.2V, 25°C
V_OUT (1V/div)
I_OUT (100mA/div)
Time (1ms/div)
I_LDO2 (100mA/div)
Time (200μs/div)
Output Open Circuit Protection
V =3.7V, 25°C
IN
V_BL1 (500mV/div)
V_OUT (2V/div)
I_BL1 (20mA/div)
Time (200μs/div)
10