SC905A
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
LDO Regulator (CORE) - 300mA (Cont.)
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
LDO Regulator (PAD) - 300mA
REGLINE
REGLOAD
VDO
PSRRCORE
Output Voltage Accuracy(3)
∆VOUT
Current Limit
Default at Start-Up: ON
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
LDO Regulator (ANA) - 200mA
ILIM
VOUT-HI
VOUT-LO
REGLINE
REGLOAD
VDO
PSRRPAD
Output Voltage Accuracy(4)
Current Limit
Default At Start-Up: ON
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
∆VOUT
ILIM
VOUT
REGLINE
REGLOAD
VDO
PSRRANA
Output Voltage Noise
en
LDO Regulator (TCXO) - 80mA
Output Voltage Accuracy(4)
Current Limit
Default At Start-Up: ON
Line Regulation
Load Regulation
Dropout Voltage
Power Supply Rejection Ratio
Output Voltage Noise
∆VOUT
ILIM
VOUT
REGLINE
REGLOAD
VDO
PSRRTCXO
en
Condition
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 300mA
VOUT = 2.90V, IOUT = 300mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
1.75V ≤ VOUT ≤ 3.30V, IOUT =1mA,
VOUT +0.35V ≤ VIN ≤ 5.5V
VPAD = 0V
VPSEL - High
VPSEL - Low
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 300mA
VOUT = 3.30V, IOUT = 300mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
2.55V ≤ VOUT ≤ 2.90V, IOUT = 1mA,
VOUT +0.35V ≤ VIN ≤ 5.5V
VANA = 0V
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 200mA
VOUT = 2.90V, IOUT = 200mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
f = 10Hz to 100kHz, IOUT = 50mA,
CBP = 0.1μF, COUT = 1μF
2.75V ≤ VOUT ≤ 3.10V, IOUT = 1mA,
VOUT +0.35V ≤ VIN ≤ 5.5V
VTCXO = 0V
IOUT = 1mA, VOUT +0.35V < VIN < 5.5V
1mA < IOUT < 80mA
VOUT = 3.10V, IOUT = 80mA
f = 10Hz - 1kHz, COUT = 1μF, IOUT = 50mA
f = 10Hz - 100kHz, IOUT = 50mA,
CBP = 0.1μF, COUT = 1μF
Min
-75
350
-75
250
-75
250
© 2006 Semtech Corp.
3
Typ
2.5
-3
300
50
3.00
2.20
2.5
-3
300
50
2.60
2.5
-3
200
65
45
3.05
2.5
-3
200
65
45
Max
Units
12
mV
-30
mV
350
mV
dB
+75
mV
900
mA
V
V
12
mV
-30
mV
350
mV
dB
+75
650
12
-20
250
mV
mA
V
mV
mV
mV
dB
μVRMS
+75
mV
650
mA
V
12
mV
-20
mV
250
mV
dB
μVRMS
www.semtech.com