SC905A Datasheet, PDF (5/23 Pages) Semtech Corporation – CDMA Cellular Phone Power Management IC

SC905A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Default At Start-Up: OFF
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
Symbol
V_OUT
REG_LINE
REG_LOAD
V_DO
PSRR_PLL
Output Voltage Noise
e_n
LDO Regulator (MOT) - 150mA
Output Voltage Accuracy⁽³⁾
Current Limit
Default at Start-Up: OFF
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
∆V_OUT
I_LIM
V_OUT
REG_LINE
REG_LOAD
V_DO
PSRR_MOT
Condition
I_OUT = 1mA, V_OUT +0.35V < V_IN < 5.5V
1mA < I_OUT < 80mA
V_OUT = 3.10V, I_OUT = 80mA
f = 10Hz - 1kHz, C_OUT = 1μF, I_OUT = 50mA
f = 10Hz - 100kHz, I _OUT = 50mA,
C_BP= 0.1μF, C_OUT = 1μF
1.75V ≤ V_OUT ≤ 3.30V, I_OUT = 1mA,
V_OUT +0.35V ≤ V_IN ≤ 5.5V
V_MOT = 0V
I_OUT = 1mA, V_OUT +0.35V < V_IN < 5.5V
1mA < I_OUT < 150mA
V_OUT = 3.30V, I_OUT = 150mA
f = 10Hz - 1kHz, C_OUT = 1μF, I_OUT = 50mA
Min Typ
3.05
2.5
-3
200
65
45
-75
250
1.80
2.5
-3
200
50
Max
12
-20
250
+75
650
12
-20
250
Units
V
mV
mV
mV
dB
μV_RMS
mV
mA
V
mV
mV
mV
dB
© 2006 Semtech Corp.
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