L4953K 查看數據表（PDF） - STMicroelectronics

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L4953K

MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO

STMicroelectronics 

L4953K

ELECTRICAL CHARACTERISTICS (continued)

LVW/FAULT (referred to VS)

Symbol

Parameter

THON LVW LVW ON Threshold

THOFF LVW

∆(LVW-out 8.25)

HYST

LVW OFF Threshold

LVW-Vout 8.25

Threshold Hysteresis

OUTLW

Ileak

LVW Output Voltage

Leakage Current

RESET (referred to 5V st-by)

Test Condition

THON reset

THOFF reset

HYST reset

OUT reset

Ileak

IGNITION

Reset ON Threshold

Reset OFF Threshold

Reset Threshold Hysteresis

Reset Output Voltage

Reset Leakage Current

TH ign

HYST ign

IGN high

Ign Comparator Positive

Threshold

Ign Comparator Threshold

Hysteresis

Ignition Comparator Output High

Min.

8.55

8.75

0.5

50

Typ.

9.00

9.20

0.65

200

Max.

9.45

9.65

350

1.5

50

Unit

V

V

V

mV

V

µA

3.6

3.8

4

V

3.8

4

4.2

V

50

100 250 mV

1.5

V

50

µA

5.5

6.5

7.5

V

100 300 500 mV

3.5

Vst-by V

CIRCUIT CONFIGURATION - PIN EQUIVALENT CIRCUITS

PIN 1: EN 5V

PIN 2: EN 8.25V

PIN 4: OUT 16V

20K

18.5K

D95AU402

2.1K

10K

6.5K

D95AU403

4/8

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