L4949_06 datasheet(3/10 Pages) ONSEMI

tên linh kiện	L4949

Giải thích chi tiết về linh kiện	100 mA, 5.0 V, Low Dropout Voltage Regulator with Power?뭀n Reset

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L4949, NCV4949

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ELECTRICAL CHARACTERISTICS (continued) (VCC = 14 V, −40°C < TA < 125°C, unless otherwise specified.)

Characteristic

Unit

Max

Typ

Min

Symbol

RESET

Reset Threshold Voltage

VResth

−

Vout − 0.5

−

V

Reset Threshold Hysteresis

VResth,hys

mV

@ TA = 25°C

50

100

200

@ TA = −40 to +125°C

50

−

300

Reset Pulse Delay (CT = 100 nF, tR ≥ 100 ms)

tResD

55

100

180

ms

Reset Reaction Time (CT = 100 nF)

tResR

−

5.0

30

ms

Reset Output Low Voltage (RReset = 10 kW to Vout, VCC ≥ 3.0 V)

VResL

−

0.4

V

Reset Output High Leakage Current (VReset = 5.0 V)

IResH

−

1.0

mA

Delay Comparator Threshold

VCTth

−

2.0

−

V

Delay Comparator Threshold Hysteresis

VCTth, hys

−

100

−

mV

SENSE

Sense Low Threshold (VSI Decreasing = 1.5 V to 1.0 V)

VSOth

1.16

1.23

1.35

V

Sense Threshold Hysteresis

VSOth,hys

20

100

200

mV

Sense Output Low Voltage (VSI ≤ 1.16 V, VCC ≥ 3.0 V, RSO = 10 kW to Vout)

VSOL

−

0.4

V

Sense Output Leakage (VSO = 5.0 V, VSI ≥ 1.5 V)

ISOH

−

1.0

mA

Sense Input Current

ISI

−1.0

0.1

1.0

mA

PREREGULATOR

Preregulator Output Voltage (IZ = 10 mA)

VZ

−

6.3

−

V

PIN FUNCTION DESCRIPTION

SOIC−8, PDIP−8

SOIC−20W

Symbol

Description

1

19

VCC

Supply Voltage

2

20

Si

Input of Sense Comparator

3

1

VZ

Output of Preregulator

4

2

CT

Reset Delay Capacitor

5

4 − 7, 14 − 17

GND

Ground

6

10

Reset

Output of Reset Comparator

7

11

SO

Output of Sense Comparator

8

12

Vout

Main Regulator Output

−

3, 8, 9, 13, 18

NC

No Connect

Số phần tương tự - L4949_06

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Motorola, Inc	L4949D	196Kb / 8P	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
ON Semiconductor	L4949D	191Kb / 8P	MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR 1998 Rev 1
STMicroelectronics	L4949E	77Kb / 10P	MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR
	L4949ED	77Kb / 10P	MULTIFUNCTION VERY LOW DROP VOLTAGE REGULATOR
	L4949ED	501Kb / 19P	Multifunction very low drop voltage regulator

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Mô tả tương tự - L4949_06

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