SC622A Datasheet, PDF (5/23 Pages) Semtech Corporation – LED Light Management Unit Charge Pump, 400mA Flash LED, Dual LDOs, and I2C Interface

SC622A
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min Typ
LDO Electrical Specifications (continued)
Load Regulation
ΔV
LOAD
V = 3.3V, V = 3.7V,
LDO1
IN
I = 1mA to 100 mA
LDO1
V = 1.8V, V = 3.7V,
LDO2
IN
I = 1mA to 100 mA
LDO2
Dropout Voltage⁽³⁾
V
I = 100mA
100
D
LDO1
Current Limit
I
200
LIM
Power Supply
Rejection Ratio
PSRR
2.5V < V_LDO1 < 3V, f < 1kHz, C_BYP = 22nF, I_LDO1 = 50mA,
50
LDO1
V = 3.7V with 0.5V ripple
IN
P-P
PSRR
f < 1kHz, C_BYP = 22nF, I_LDO2 = 50mA,
60
LDO2
V = 3.7V with 0.5V ripple
IN
P-P
Output Voltage Noise
e
LDO1, 10Hz < f < 100kHz, C_BYP = 22nF, C_LDO = 1μF,
100
n-LDO1
I = 50 mA, V = 3.7V, 2.5V < V < 3V
LDO1
IN
LDO1
LDO2, 10Hz < f < 100kHz, C = 22nF,
e
BYP
50
n-LDO2
C = 1μF, I = 50 mA, V = 3.7V
LDO
LDO2
IN
Minimum Output Capacitor
C
1
LDO(MIN)
Digital I/O Electrical Specifications (FLEN, EN)
Input High Threshold
V
IH
V = 5.5V
1.6
IN
Input Low Threshold
V
IL
V = 3.0V
IN
Input High Current
I
IH
V = 5.5V
-1
IN
Input Low Current
I
IL
V = 5.5V
-1
IN
I²C Interface
Interface complies with slave mode I²C interface as described by Philips I²C specification version 2.1 dated January, 2000.
V
B-IL
Digital Input Voltage
V_B-IH
SDA Output Low Level
Digital Input Current
I
B-IN
Hysteresis of
V
Schmitt Trigger Inputs
HYS
Maximum Glitch Pulse
t
Rejection
SP
I (SDA) ≤ 3mA
DIN
1.6
-0.2
0.1
50
Max Units
25
mV
20
150
mV
mA
dB
μV
RMS
μF
V
0.4
V
+1
μA
+1
μA
0.4
V
V
0.4
V
0.2
μA
V
ns
5