L5959 datasheet(9/19 Pages) STMICROELECTRONICS

9 / 19 page

L5959

Electrical specification

9/19

PSRR

Supply voltage ripple rejection

IVREGSW = 400 mA;

fo = 20 to 1 kHz;

VBAT = 14 Vdc, 1.0 Vac(pp)

IVREGSW = 400 mA;

fo = 20 to 20 kHz;

VBAT = 14 Vdc, 1.0 Vac(pp)

Output noise

Weighted filter

fo = 20 Hz to 20 kHz

IVREGSW = 5 mA

200

µV

Vdrop

Drop out voltage

IVREGSW = 800 mA

2.6

Vdrop

Drop out voltage

IVREGSW = 5 mA

2.3

Current limit

Rshort = 0

11.5

2.5

TSEN

VREGSW thermal shutdown

IVREGSW = 500 µA; Increase Ta

until VREGSW disabled

150

190

°C

tdon

Turn-on delay;

Ivregsw= 5mA

110

µs

tdoff

Turn-off delay,

IVREGSW = 700 mA

110

µs

V8P5 (VBAT=9.5V to 18 V)

Vo (V8P5) Output voltage 8.5V

8.3

8.5

8.7

ΔV

Line regulation

VBAT = 9.5 to 18V; I = 200mA

-50

3.0

ΔVi

Load regulation

IV8P5 = 1 to 200mA

-30

PSRR

Supply voltage ripple rejection

IV8P5 = 100 mA;

fo = 20 to 1 kHz;

VBAT = 14 Vdc, 1.0 Vac(pp)

IV8P5 = 100 mA;

fo = 20 to 20 kHz;

VBAT = 14 Vdc, 1.0 Vac(pp)

Output noise

Weighted filter

fo = 20 Hz to 20 kHz

IV8P5 = 5 mA

190

450

µV

Vdrop

Drop out voltage

IV8P5 = 200mA

0.45

0.9

Current limit

Rshort = 0

275

450

700

TSEN

V8P5 thermal shutdown

IV8P5 = 500 µA; Increase Ta

until V8P5 disabled

150

190

°C

tdon

Turn-on delay;

IV8P5 = 5mA

110

µs

tdoff

Turn-off delay,

IV8P5 = 200 mA

110

µs

V810 (8V) (VBAT = 9.2V to 18 V)

Vo (V810)

Output voltage 8.0V

7.6

8.0

8.4

ΔV

Line regulation

VBAT = 9.2 to 18V;

I = 1000mA

-50

Table 5.

Electrical characteristics (continued)

(VS = 14.4V; Tamb = 25°C; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

L5959 데이터시트(PDF) 9 Page - STMicroelectronics

L5959 데이터시트(HTML) 9 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

데이터시트 다운로드

링크 URL