Electrical specifications

L4988

8/32

DS5334 Rev 8

2.3

Electrical characteristics

Vs =5.6V to 31V, Tj= -40°C to +150°C unless otherwise specified.

Table 5. General

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Vo

Vo_ref

Output voltage

Vs = 6 to 31V

Io = 1 to 200mA

4.9

5.0

5.1

V

Vo

Ishort

Short circuit current

Vs = 13.5V(1)

200

280

500

mA

Vo

Ilim

(2)

Output current limitation

Vs = 13.5V

(1)

200

350

600

mA

Vs, Vo

Vline

Line regulation voltage

Vs = 6 to 31V

Io = 1 to 200mA

25

mV

Vo

Vload

Load regulation voltage

Io = 1 to 200mA

25

mV

Vs, Vo

Vdp

(3)

Drop voltage

Io = 200mA

270

500

mV

Vs, Vo

Vdp

(3)

Drop voltage

Io = 150mA

200

400

mV

Vs, Vo

SVR

Ripple rejection

fr = 100 Hz(4)

60

dB

Vs, Vo

Iqn_200

Quiescent current

Vs=13.5V, Io=200mA,

WEn = high

1.9

2.5

mA

Vs, Vo

Iqn_50

Quiescent current

Vs=13.5V,

Io= 50mA,

WEn = high

500

700

µA

Vs, Vo

Iq_1_we

Quiescent current

Vs=13.5V,

Io< 1mA,

WEn = high

93

200

µA

Vs, Vo

Iq_1_wd

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

1.

See Figure 3.

2.

Measured output current when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V and

Io= 75mA

.

3.

Vs-Vo measured when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V and Io= 75mA

.

4.

Guaranteed by design.