DS6145 Rev 8

9/26

L5300GJ

Electrical specifications

25

2.

VS - Vo measured dropout when the output voltage has dropped 100 mV from its nominal value obtained

at 13.5V and

Io = 75 mA.

3.

Guaranteed by design.

Table 6. Reset

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Res

VRes_l

Reset output low voltage

Rext = 5 k; Vo > 1 V

0.4

V

Res

IRes_lkg

Reset output high leakage

current

VRes = Vout

1µA

Res

Rres

Pull-up internal resistance

Versus Vo

10

20

40

k



Res

Vo_th

Vo out of regulation

threshold

Vo decreasing

6

8

10

%below

Vo_ref

Vcr

VRlth

Reset timing low threshold VS = 13.5 V

15

18

22

% Vo_ref

Vcr

VRhth

Reset timing high

threshold

VS = 13.5 V

47

50

53

% Vo_ref

Vcr

Icr

Charge current

VS = 13.5 V

10

20

30

µA

Vcr

Idr

Discharge current

VS = 13.5 V

10

20

30

µA

Res

Trr

Reset reaction time

2

µs

Res

Trd

Reset delay time

VS = 13.5 V; Ctr = 1 nF

2

4

6

ms

Table 7. Early warning

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

EWi

Ewi_th_low

EW input low threshold

voltage

2.35

2.50

2.65

V

EWi

Ewi_th_high

EW input high threshold

voltage

2.42

2.57

2.72

V

EWi

Ewi_th_hyst

EW input threshold

hysteresis

70

mV

EWi

IEWi_lkg

EW input leakage current VEWi = 0 V; VS > 3 V

-1

1

µA

EWo

REWo

Pull-up internal resistance Versus Vo

10

20

40

k



EWo

EWo_lv

EW output low voltage

(with external pull up)

VEWi < 2.35 V;

VS > 4 V; Rext = 5 k

400

mV

EWo

IWo

EW output leakage

VEWo = 5 V

1

µA

Table 8. Enable

Pin

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

En

VEn_low

En input low voltage

1

V

En

VEn_high

En input high voltage

3

V

En

VEn_hyst

En input hysteresis

500

mV

En

I_leak

Pull-down current

VEn = 5 V

3

10

µA