L4979D 데이터 시트보기 (PDF) - STMicroelectronics
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L4979D Datasheet PDF : 22 Pages
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Electrical specifications
L4979D, L4979MD
2.2
Electrical characteristics
Vs = 5.6 V to 31 V; Tj = -40 °C to 150 °C, unless otherwise specified.
Table 5. General
Pin Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Vs, Vo
Vs, Vo
Vs, Vo
Iq
Iq
Iq
Tw
Tw_hy
Quiescent current
Vs = 13.5 V, Io = 150 mA,
enable high all
I/O currents = 0
Quiescent current
Vs = 13.5 V, Io = 0 mA,
enable high all
I/O currents = 0
Quiescent current
Vs = 13.5 V, Io = 0 mA,
enable low all
I/O currents = 0
Thermal protection
temperature
Thermal protection
temperature
hysteresis
1.5 3 mA
100 200 µA
6
20 µA
150
190 °C
10
°C
Table 6. Voltage regulator
Pin Symbol
Parameter
Test condition
Vo
Vo_ref Output voltage
Vo
Ishort
Output short circuit
current(1)
Vs = 5.6 to 31 V;
Io = 1 to 150 mA
Vs = 13.5 V
Vo
Ilim
Output current
limitation(1)
Vs = 13.5 V
Vs, Vo
Vo
Vs, Vo
Vs, Vo
Vline
Vload
Vdp
SVR
Line regulation voltage
Load regulation voltage
Drop voltage
Ripple rejection(2)
Vs = 5.6 to 31 V
Io = 1 to 150 mA
Io = 1 to 150 mA
Io = 150 mA
fr = 100 Hz
1. See Figure 3: Behavior of output current versus regulated voltage Vo.
2. Guaranteed by design.
Table 7. Reset
Pin Symbol
Parameter
Res
Vres_l
Reset output low
voltage
Res
Ires_h
Reset output high
leakage current
Test condition
Rext = 5 k to Vo;
Vo > 1 V
Vres = 5 V
Min. Typ. Max. Unit
4.90 5.00 5.10 V
150 280 400 mA
150 320 500 mA
25 mV
25 mV
200 400 mV
55
dB
Min. Typ. Max. Unit
0.4 V
1
µA
8/22
Doc ID 10262 Rev 9
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