APW7251 datasheet(3/18 Pages) ANPEC

3 / 18 page

Rev. A.5 - Jan., 2018

www.anpec.com.tw

APW7251/A

Sym bol

P arame ter

Range

Unit

V INP/L

VINP/L to GND Vo ltag e

3 ~ 5.5

CIN

Input Capacitor

2.2

µF

COUT

Ou tp ut Capacitor

2.2 ~ 4.7

µF

LDO1, CL DO2

LDO1 , LDO 2 O utput Cap acito r

µF

Inductor

1 0 ~ 22

µH

Amb ient Tempe rature

-40 ~ 8 5

Junction Tempera tu re

-4 0 ~ 125

Recommended Operating Conditions (Note 3)

Note 3: Refer to the typical application circuit.

Electrical Characteristics

Unless otherwise specified, these specifications apply over V

IN_P/L=5V. Typical values are at TA=25

oC.

AP W725 1A

Sym bol

Param eter

Test Conditions

Min

Typ

Max

Unit

S UPPLY CURRENT

VIN_P/L

Inp ut Voltage Ran ge

TA = -40 ~ 85

°C, TJ = -40 ~ 125°C

5.5

PWMDC

VEN_PWM = 5V

IPWMSD

VEN_PWM=0V

ILDODC

VEN_LDO = 5V

200

5 00

µA

ILDOSD

Inp ut DC B ias Cu rrent

VEN_LDO=0 V

0.1

µA

UNDER-VO LTAG E LOCKOUT

UV LO Threshold Voltage

VIN_P/L Risi ng

2.2

2.5

2.9

UV LO Hysteresis Vo ltag e

200

S OFT S TART AND S HUTDOWN

S oft Start Time

OUT ris in g from 0 to 9 0%, RL OAD= 50Ω

µs

VTEN_PWM E N_ PWM Vo ltag e Thr esh old

VEN_PWM Risi ng

0.4

0.7

E N_ PWM Vo ltag e Hyste resis

0.1

TEN_ LDO

E N_ LDO Input L ogic HIG H

0.4

0.7

E N_ LDO Voltage Hysteresis

0.1

ILEN_PWM

E N_ PWM Leakag e Curr ent

VIN = 5V, VEN_PWM = 5V

-1

µA

ILEN_LDO

E N_ LDO Lea ka ge Curren t

VIN = 5V, VEN_LDO = 5V

-1

µA

O VER TE MPERATURE PROTECTIO N

O ve r Tempe rature Threshol d

150

°C

O ve r Tempe rature Hysteresis

°C

P OWER OK AND DELAY

Rising P OK Threshold Voltage

VLDO2 risin g

2.36

2.6

2.73

Rising P OK Threshold Voltage

Hyste resis

LD O2 fallin g

200

P OK Low to Hig h De lay Time

P OK Ou tp ut LOW Voltage

PO K sink 5mA

0.25

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