L9777 datasheet(19/25 Pages) STMICROELECTRONICS

Part #	L9777

Description	High precision output voltage

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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L9777

Electrical and thermal characteristics

24

7

Electrical and thermal characteristics

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

Table 4. Electrical and thermal characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

General

VCC

VCCREF

Output voltage

VI = 5.6 to 31 V

IVCC = 0 to 200 mA

4.9

5.00

5.1

V

VCC

ISHORT

Short circuit current

VCC = 0 V

150

250

500

mA

VCC

ILIM1

Output current limitation

210

300

600

mA

VI, VCC

IQS0

Current consumption

with watchdog not active

IQS0 = IVI-IVCC

Option A

VI =13.5 V, IVCC = 0 mA,

WD_EN = 0 V

VDD_EN = 0 V

(VDD disabled)

-

110

220

μA

Option B

VI = 13.5 V, IVCC = 0 mA,

WD_EN floating or low,

VDD_EN floating or low

(VDD disabled)

-

100

200

μA

Option C

VI = 13.5 V, IVCC = 0 mA,

WD_EN floating or low,

VDD_EN floating or low

(VDD reset active)

-

400

700

μA

IQS200

Current consumption

IQS200 = IVI-IVCC

VI = 13.5 V, IVCC = 200 mA

-2

3

mA

VI, VCC

VDP1

Dropout voltage

IVCC = 200 mA

-

200

400

mV

VCC

VLINE1

Line regulation voltage

VI = 5.6 to 31 V

IVCC = 0 to 200 mA

--

25

mV

VCC

VLOAD1

Load regulation voltage

IVCC = 0 to 200 mA

-

25

mV

VCC

SVR

Ripple rejection

fr = 100 Hz

55

-

dB

-TW

Thermal protection

temperature

-

150

-

190

°C

-TWH

Thermal protection

temperature hysteresis

-

10

-

°C

NMI

VNMIL

NMI output low voltage

Rext = 5 kΩ to VCC, VCC > 1 V

-

0.4

V

NMI

INMILK

NMI output leakage

current

VNMI = 5 V

-

1

μA

NMI

RNMI

Pull up internal

resistance

-12

25

50

kΩ

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