DS5053 Rev 15

11/37

L4995

Electrical specifications

36

VS, Vo

Iqn_150

Current consumption

with regulator enabled

VS = 13.5V,

Io = 150mA,

740

1000

µA

VS, Vo

Iqn_250

Current consumption

with regulator enabled

VS= 13.5V,

Io= 250mA,

11.4

mA

VS, Vo

Iqn_500

Current consumption

with regulator enabled

VS= 13.5V,

Io= 500mA,

2.1

2.7

mA

Tw

Thermal protection

temperature

150

190

°C

Tw_hy

Thermal protection

temperature hysteresis

10

°C

1.

See Figure 28.

2.

Measured output current when the output voltage has dropped 100mV from its nominal value obtained at

Vs=13.5V and Io= 250mA.

3.

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

and Io= 250mA.

4.

Guaranteed by design.

Table 6. Reset

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Res

Vres_l

Reset output low voltage

Rext = 5k to Vo,

Vo > 1V

0.4

V

Res

IRes_lkg

Reset output high leakage

current

VRes = 5V

1

µA

Res

RRes

Pull up internal resistance

(versus Vo)

10

20

40

k



Res

Vo_th

Vo out of regulation

threshold

VS = 5.6 to 31V

Io = 1 to 500mA

6%

8%

10%

below

Vo_ref

Vcr

VRlth

Reset delay circuit low

threshold

VS = 13.5V

10%

13%

16%

Vo_ref

Vcr

VRhth

Reset delay circuit high

threshold

VS =13.5V

44%

47%

50%

Vo_ref

Vcr

Icr

Charge current

VS = 13.5V

8

15

30

µA

Vcr

Idr

Discharge current

VS = 13.5V

8

15

30

µA

Res

Trr

Reset reaction time(1)

1.

When Vo becomes lower than 4V, the reset reaction time decreases down to 2µs assuring a faster reset

condition in this particular case.

Vo = Vo_th -100mV

100

250

700

µs

Res

Trd

Reset delay time

VS = 13.5V,

Ctr = 47nF

12

33

73

ms

Table 5. General (continued)

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit