ST1S14PHR datasheet(8/46 Pages) STMICROELECTRONICS

部件名	ST1S14PHR

功能描述	Up to 3 A step-down switching regulator

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Electrical characteristics

ST1S14

8/46

DocID17977 Rev 2

3

Electrical characteristics

All the population tested at TJ = 25 °C, VCC =12 V, VEN1 = 0 V, VEN2 = VCC unless otherwise

specified.

The specification is guaranteed from (-40 to +125 °C) TJ temperature range by design,

characterization, and statistical correlation.

Table 6. Electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

VIN

Operating input

voltage range

5.5

48

V

RDS(on)

MOSFET on

resistance

ISW=1 A

0.2

0.4

Ω

ISW

Maximum limiting

current

3.7

4.5

5.2

A

tHICCUP Hiccup time

16

ms

fSW

Switching frequency

600

850

1000

kHz

Duty cycle

(1)

90

%

TON MIN

Minimum conduction

time of the power

element

(1)

90

ns

TOFF MIN

Minimum conduction

time of the external

diode

(1)

75

90

120

ns

DC characteristics

VFB

Voltage feedback

ILOAD=0 A

1.202

1.22

1.239

V

ILOAD=10 mA to 3 A

1.196

1.22

1.245

V

IFB

FB biasing current

50

nA

Iq

Quiescent current

VFB=2 V

1.3

2

mA

VFB=2 V, VIN=48 V

1.7

2.4

mA

Iqst-by

Standby quiescent

current

Device OFF (see Table 2)16

34

μA

PG

Power good threshold

VFB rising edge

0.92*

VOUT

V

VFB falling edge

0.8*

VOUT

V

PG output voltage

(open collector active)

ISINK=6 mA

0.4

V

Inhibit

类似零件编号 - ST1S14PHR

制造商	部件名	数据表	功能描述
STMicroelectronics	ST1S14	2Mb / 46P	Power good open collector output March 2013 Rev 2

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类似说明 - ST1S14PHR

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ST1S14PHR 数据表(PDF) 8 Page - STMicroelectronics

ST1S14PHR 数据表(HTML) 8 Page - STMicroelectronics

类似零件编号 - ST1S14PHR

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ST1S14PHR 数据表(PDF) 8 Page - STMicroelectronics

ST1S14PHR 数据表(HTML) 8 Page - STMicroelectronics

类似零件编号 - ST1S14PHR

类似说明 - ST1S14PHR

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