Electrical specifications

L4988

8/32

Doc ID 13617 Rev 6

2.3

Electrical characteristics

Table 5.

General

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Vo

Output voltage

Vs = 6 to 31V

Io = 1 to 200mA

4.9

5.0

5.1

V

Vo

Short circuit current

1.

See Figure 3.

200

280

500

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)

200

350

600

mA

Vs, Vo

Line regulation voltage

Vs = 6 to 31V

Io = 1 to 200mA

25

mV

Vo

Load regulation voltage

Io = 1 to 200mA

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 = 200mA

270

500

mV

Vs, Vo

(3)

Drop voltage

Io = 150mA

200

400

mV

Vs, Vo

SVR

Ripple rejection

4.

Guaranteed by design.

60

dB

Vs, Vo

Quiescent current

Vs=13.5V,

Io=200mA,

WEn = high

1.9

2.5

mA

Vs, Vo

Quiescent current

Vs=13.5V,

Io= 50mA,

WEn = high

500

700

µA

Vs, Vo

Quiescent current

Vs=13.5V,

Io< 1mA,

WEn = high

93

200

µA

Vs, Vo

Quiescent current

Vs=13.5V,

Io< 1mA,

WEn = low

75

150

µA

Tw

Thermal protection

temperature

150

190

°C

Tw_hy

Thermal protection

temperature hysteresis

10

°C