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L5950 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5950
功能描述  MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5950 数据表(HTML) 4 Page - STMicroelectronics

  L5950 Datasheet HTML 1Page - STMicroelectronics L5950 Datasheet HTML 2Page - STMicroelectronics L5950 Datasheet HTML 3Page - STMicroelectronics L5950 Datasheet HTML 4Page - STMicroelectronics L5950 Datasheet HTML 5Page - STMicroelectronics L5950 Datasheet HTML 6Page - STMicroelectronics L5950 Datasheet HTML 7Page - STMicroelectronics L5950 Datasheet HTML 8Page - STMicroelectronics  
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Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VDROPOUT
Dropout Voltage (Measure
VBAT- VREG3 when VREG3
drops 0.1V)
(Measure VBAT- VREG3 when
VREG3 drops 0.1V)
IREG3 = 175mA
IREG3 = 5mA
950
600
mV
mV
Ilim3
Current Limit
0.5
1
A
SVR
Ripple Rejection
fo = 1kHz, VBAT = 14V
with 1Vpp AC
IREG3 = 175mA
50
dB
8/10V/1A REG 4 OUTPUT
VREG4
Output Voltage
IREG4 = 1A
b5 = 0
b5 = 1
7.6
9.50
8
10
8.4
10.5
V
V
∆Vline
Line Regulation
11V
≤ VBAT ≤ 26V, b5 = 1
(Measure
∆ VREG2 Across VBAT
Range)
50
mV
∆Vload
Load Regulation
5mA
≤ IREG4 ≤ 1A
150
mV
VDROPOUT
Dropout Voltage
(Measure VBAT- VREG2 when
VREG2 drops 0.1V)
IREG4 = 1A
IREG4 = 5mA
950
600
mV
mV
Ilim4
Current Limit
1.3
2.4
A
SVR
Ripple Rejection
fo = 1kHz, VBAT = 14V
with 1Vpp AC
IREG4 = 500mA
50
dB
5V/250mA REG 5 OUTPUT
VREG5
Output Voltage
IREG5 = 250mA
4.75
5
5.25
V
∆Vline
Line Regulation
7V
≤ VBAT ≤ 26V
(Measure
∆ VREG5 Across VBAT
Range)
40
mV
∆Vload
Load Regulation
5mA
≤ IREG5 ≤250mA
100
mV
VDROPOUT
Dropout Voltage
(Measure VBAT- VREG5 when
VREG5 drops 0.1V)
IREG5 = 250A
IREG5 = 5mA
1.6
1.2
V
V
Ilim5
Current Limit
320
700
mA
SVR
Ripple Rejection
fo = 1kHz, VBAT = 14V
with 1Vpp AC
IREG5 = 125mA
50
dB
2A HSD1
Vsat
Output Saturation Voltage
IHSD1 = 1A
Continuous Time Operation
0.5
V
Ileak1
Output Leakage Current
All Driver Outputs are Off
-50
50
µA
Ilim
Current Limiting
RHSD1 = 0.5
Ω
2.4
4
A
0.45A HSD2 & HSD3
Vsat
Output Saturation Voltage
IHSD2,3 = 300mA
Continuous Time Operation
0.6
V
Ileak2,3
Output Leakage Current
All Driver Outputs are Off
-50
50
µA
Ilim
Current Limiting
RHSD2,3 = 0.5
Ω
0.56
1
A
ELECTRICAL CHARACTERISTICS (continued)
L5950
4/8



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