SC905
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
LDO Regulator (TCXO) - 80mA (Cont.)
Output Voltage Noise
en
LDO Regulator (TX) - 150mA
Output Voltage Accuracy(4)
Current Limit
Default At Start-up: OFF
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
Output Voltage Noise
LDO Regulator (RX) - 150mA
∆VOUT
ILIM
VOUT
REGLINE
REGLOAD
VDO
PSRRTX
en
Output Voltage Accuracy(4)
Current Limit
Default At Start-up: OFF
Line Regulation
Load Regulation
Dropout Voltage
∆VOUT
ILIM
VOUT
REGLINE
REGLOAD
VDO
Condition
f = 10Hz - 100kHz, IOUT = 50mA,
CBP = 0.1μF, COUT = 1μF
2.55V ≤ VOUT ≤ 2.90V, IOUT = 1mA,
VOUT +0.35V ≤ VIN ≤ 5.5V
VTX = 0V
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 150mA
VOUT = 2.90V, IOUT = 150mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
f = 10Hz - 100kHz, IOUT = 50mA,
CBP = 0.1μF, COUT = 1μF
2.55V ≤ VOUT ≤ 2.90V, IOUT = 1mA,
VOUT +0.35V ≤ VIN ≤ 5.5V
VRX = 0V
IOUT = 1mA, VOUT+0.35V < VIN < 5.5V
1mA < IOUT < 150mA
VOUT = 2.90V, IOUT = 150mA
Power Supply Rejection Ratio
PSRRRX
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
Output Voltage Noise
en
LDO Regulator (CAM) - 100mA
Output Voltage Accuracy(3)
Current Limit
Default At Start-up: OFF
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
∆VOUT
ILIM
VOUT
REGLINE
REGLOAD
VDO
PSRRCAM
f = 10Hz - 100kHz, IOUT = 50mA,
CBP= 0.1μF, COUT = 1μF
1.35V ≤ VOUT ≤ 2.90V, IOUT = 1mA
VOUT +0.35V ≤ VIN ≤ 5.5V
VCAM = 0V
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 100mA
VOUT = 2.90V, IOUT = 100mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
Min
-75
250
-75
250
-75
250
Typ
45
2.85
2.5
-3
200
65
45
2.85
2.5
-3
200
65
45
1.80
2.5
-3
200
50
Max
+75
650
12
-20
250
+75
650
12
-20
250
+75
650
12
-20
250
Units
μVRMS
mV
mA
V
mV
mV
mV
dB
μVRMS
mV
mA
V
mV
mV
mV
dB
μVRMS
mV
mA
V
mV
mV
mV
dB
© 2006 Semtech Corp.
4
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