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L5959 数据表(PDF) 9 Page - STMicroelectronics

部件名 L5959
功能描述  Multifunction voltage regulator for car radio
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5959 数据表(HTML) 9 Page - STMicroelectronics

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L5959
Electrical specification
9/19
PSRR
Supply voltage ripple rejection
IVREGSW = 400 mA;
fo = 20 to 1 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
50
70
dB
IVREGSW = 400 mA;
fo = 20 to 20 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
45
55
dB
VN
Output noise
Weighted filter
fo = 20 Hz to 20 kHz
IVREGSW = 5 mA
85
200
µV
Vdrop
Drop out voltage
IVREGSW = 800 mA
2.6
V
Vdrop
Drop out voltage
IVREGSW = 5 mA
2.3
V
Im
Current limit
Rshort = 0
Ω
11.5
2.5
A
TSEN
VREGSW thermal shutdown
IVREGSW = 500 µA; Increase Ta
until VREGSW disabled
150
190
°C
tdon
Turn-on delay;
Ivregsw= 5mA
10
45
110
µs
tdoff
Turn-off delay,
IVREGSW = 700 mA
45
110
µs
V8P5 (VBAT=9.5V to 18 V)
Vo (V8P5) Output voltage 8.5V
8.3
8.5
8.7
V
ΔV
Line regulation
VBAT = 9.5 to 18V; I = 200mA
-50
3.0
50
mV
ΔVi
Load regulation
IV8P5 = 1 to 200mA
-30
3
20
mV
PSRR
Supply voltage ripple rejection
IV8P5 = 100 mA;
fo = 20 to 1 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
50
60
dB
IV8P5 = 100 mA;
fo = 20 to 20 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
35
40
dB
VN
Output noise
Weighted filter
fo = 20 Hz to 20 kHz
IV8P5 = 5 mA
190
450
µV
Vdrop
Drop out voltage
IV8P5 = 200mA
0.45
0.9
V
Im
Current limit
Rshort = 0
Ω
275
450
700
mA
TSEN
V8P5 thermal shutdown
IV8P5 = 500 µA; Increase Ta
until V8P5 disabled
150
190
°C
tdon
Turn-on delay;
IV8P5 = 5mA
10
45
110
µs
tdoff
Turn-off delay,
IV8P5 = 200 mA
45
110
µs
V810 (8V) (VBAT = 9.2V to 18 V)
Vo (V810)
Output voltage 8.0V
7.6
8.0
8.4
V
ΔV
Line regulation
VBAT = 9.2 to 18V;
I = 1000mA
-50
3
50
mV
Table 5.
Electrical characteristics (continued)
(VS = 14.4V; Tamb = 25°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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