SC627A Datasheet, PDF (5/24 Pages) Semtech Corporation – LED Light Management Unit Charge Pump, 4 LEDs, 700mA Flash LED, Dual LDOs, and I2C Interface

SC627A
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⁽⁵⁾
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