L5952 查看數據表（PDF） - STMicroelectronics
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L5952 Datasheet PDF : 15 Pages
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L5952
ELECTRICAL CHARACTERISTCS (Continued)
Symbol
Parameter
Test Condition
Min
OUTPUTS:
Output voltage 1 (Vout1)
Vout Output Voltage
Imax.
∆Vload
SVRR
Maximum Current
Load Regulation
Ripple Rejection
Vdrop1 Voltage Drop
Vdrop2 Voltage Drop
∆Vlin Line Regulation
Vout1 is 5V regulator
Output voltage 2 (Vout2)
Vout Output Voltage
Imax. Maximum Current
∆Vload Load Regulation
SVRR Ripple Rejection
Vdrop Voltage Drop
∆Vlin Line Regulation
Vout2 has On/OFF function by I2C. Default is OFF
Output voltage 3 (Vout3)
Vadj Adjustable range
Imax. Maximum Current
∆Vload Load Regulation
SVRR Ripple Rejection
Vdrop
∆Vlin
Voltage Drop
Line Regulation
Iout < 500mA; Vbatt-up cap = 9 to 16V
Iout < 250mA; Vbatt-up cap = 7 to 9V
current limiter
Iout = 0 to 500mA
1kHz, Vripple = 2Vpp
Iout = 500mA
Iout = 250mA
IOUT = 0
4.75
600
50
Iout < 250mA; Vin = 9 to 16V
8.1
current limiter
300
Iout = 0 to 250mA
1kHz , Vripple = 2Vpp
45
Iout = 250mA
IOUT = 0
Iout < 250mA; Vin = 9 to 16V
7.7
current limiter
300
Iout = 0
1kHz , Vripple = 2Vpp
50
Iout = 250mA
IOUT = 0
Typ
5
1200
30
60
1.5
0.75
0
8.3
450
20
55
0.5
0
20
60
0.45
0
Max
5.25
50
2.5
1.25
50
8.5
50
0.6
50
8.5
50
0.6
50
Unit
V
mA
mV
dB
V
V
mV
V
mA
mV
dB
V
mV
V
mA
mV
dB
V
mV
Vout3 Voltage configuration
Setting 1
Iout <250mA; Vin = 10 to 16V
Setting 2
Iout <250mA; Vin = 10 to 16V
Setting 3
Iout <250mA; Vin = 10 to 16V
Setting 4
Iout <250mA; Vin = 9 to 16V
Setting 5
Iout <250mA; Vin = 9 to 16V
Select one of above settings as well as ON/OFF control by I2C. Default is OFF.
8.2
8.5
8.8
V
8
8.3
8.6
V
7.8
8.1
8.4
V
7.6
7.9
8.2
V
7.4
7.7
8.0
V
4/15
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