L5959 Ver la hoja de datos (PDF) - STMicroelectronics
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L5959 Datasheet PDF : 19 Pages
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L5959
Electrical specification
Table 5.
Symbol
Electrical characteristics (continued)
(VS = 14.4V; Tamb = 25°C; unless otherwise specified)
Parameter
Test Condition
PSRR Supply voltage ripple rejection
VN
Output noise
Vdrop
Vdrop
Im
Drop out voltage
Drop out voltage
Current limit
TSEN VREGSW thermal shutdown
tdon
Turn-on delay;
tdoff
Turn-off delay,
V8P5 (VBAT=9.5V to 18 V)
IVREGSW = 400 mA;
fo = 20 to 1 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
IVREGSW = 400 mA;
fo = 20 to 20 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
Weighted filter
fo = 20 Hz to 20 kHz
IVREGSW = 5 mA
IVREGSW = 800 mA
IVREGSW = 5 mA
Rshort = 0Ω
IVREGSW = 500 µA; Increase Ta
until VREGSW disabled
Ivregsw= 5mA
IVREGSW = 700 mA
Vo (V8P5) Output voltage 8.5V
ΔV
Line regulation
ΔVi
Load regulation
PSRR Supply voltage ripple rejection
VN
Output noise
Vdrop
Im
Drop out voltage
Current limit
TSEN V8P5 thermal shutdown
tdon
Turn-on delay;
tdoff
Turn-off delay,
V810 (8V) (VBAT = 9.2V to 18 V)
Vo (V810) Output voltage 8.0V
ΔV
Line regulation
VBAT = 9.5 to 18V; I = 200mA
IV8P5 = 1 to 200mA
IV8P5 = 100 mA;
fo = 20 to 1 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
IV8P5 = 100 mA;
fo = 20 to 20 kHz;
VBAT = 14 Vdc, 1.0 Vac(pp)
Weighted filter
fo = 20 Hz to 20 kHz
IV8P5 = 5 mA
IV8P5 = 200mA
Rshort = 0Ω
IV8P5 = 500 µA; Increase Ta
until V8P5 disabled
IV8P5 = 5mA
IV8P5 = 200 mA
VBAT = 9.2 to 18V;
I = 1000mA
Min.
50
45
1
150
10
8.3
-50
-30
50
35
275
150
10
7.6
-50
Typ.
70
55
85
1.5
45
45
8.5
3.0
3
60
40
190
0.45
450
45
45
8.0
3
Max.
200
2.6
2.3
2.5
190
110
110
8.7
50
20
450
0.9
700
190
110
110
8.4
50
Unit
dB
dB
µV
V
V
A
°C
µs
µs
V
mV
mV
dB
dB
µV
V
mA
°C
µs
µs
V
mV
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