Datasheet

Electrical specifications L4993
8/32 Doc ID 13517 Rev 8
2.3 Electrical characteristics
Values specified in this section are for V
s
=5.6V to 31V, T
j
= -40°C to +150°C unless
otherwise stated.
Table 5. General
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
Vo V
o_ref
Output voltage
Vs = 6 to 31V
Io = 1 to 150mA
4.9 5.0 5.1 V
Vo I
short
Short circuit current Vs = 13.5V
(1)
1. See Figure 25.
150 280 400 mA
Vo I
lim
(2)
2. Measured output current when the output voltage has dropped 100mV from its nominal value obtained at
Vs=13.5V and Io= 75mA
.
Output current limitation Vs = 13.5V
(1)
150 320 500 mA
Vs, Vo V
line
Line regulation voltage
Vs = 6 to 31V
Io = 1 to 150mA
25 mV
Vo V
load
Load regulation voltage Io = 1 to 150mA 25 mV
Vs, Vo V
dp
(3)
3. Vs-Vo measured when the output voltage has dropped 100mV from its nominal value obtained at
Vs=13.5V and Io= 75mA.
Drop voltage Io = 150mA 200 400 mV
Vs, Vo SVR Ripple rejection fr = 100 Hz
(4)
4. Guaranteed by design.
55 dB
Vs, Vo I
qn_150
Quiescent current
Vs=13.5V,
Io=150mA,
WEn = high
1.25 2 mA
Vs, Vo I
qn_50
Quiescent current
Vs=13.5V,
Io= 50mA,
WEn = high
470 1000 µA
Vs, Vo I
qn_1
Quiescent current
Vs=13.5V,
Io< 1mA,
WEn = high
100 180 µA
Vs, Vo I
qs
Quiescent current with
watchdog regulator
disabled
Vs=13.5V,
Io< 1mA,
WEn = low
79 125 µA
Tw
Thermal protection
temperature
150 190 °C
Tw _hy
Thermal protection
temperature hysteresis
10 °C