Electrical specifications

L4993

8/30

2.3

Electrical characteristics

otherwise stated.

Table 5.

General

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Vo

Output voltage

Vs = 6 to 31V

Io = 1 to 150mA

4.9

5.0

5.1

V

Vo

Short circuit current

1.

See Figure 25.

150

280

400

mA

Vo

(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

Line regulation voltage

Vs = 6 to 31V

Io = 1 to 150mA

25

mV

Vo

Load regulation voltage

Io = 1 to 150mA

25

mV

Vs, Vo

(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

4.

Guaranteed by design.

55

dB

Vs, Vo

Quiescent current

Vs=13.5V,

Io=150mA,

WEn = high

1.25

2

mA

Vs, Vo

Quiescent current

Vs=13.5V,

Io= 50mA,

WEn = high

470

1000

µA

Vs, Vo

Quiescent current

Vs=13.5V,

Io< 1mA,

WEn = high

100

180

µA

Vs, Vo

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