CS8151YNF16 datasheet(3/8 Pages) CHERRY

No de pièce	CS8151YNF16

Description	5V, 100mA Low Dropout Linear Regulator with WATCHDOG, RESET, & WAKE UP

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Fabricant	CHERRY [Cherry Semiconductor Corporation]

Site Internet	http://www.cherrycorp.com/

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Package Lead Description

Package Lead #

Lead Symbol

Function

Electrical Characteristics: continued

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

s WATCHDOG Input

Threshold

HIGH

1.4

2.0

V

LOW

0.8

1.3

V

Hysteresis

25

100

mV

Input Current

0 < WDI < 6V

-10

0

+10

µA

Pulse Width

50% WDI falling edge to

5

µs

50% WDI rising edge and

50% WDI rising edge to 50%

WDI falling edge (see Figure 1)

s WAKE UP Output

WAKE UP Period

see Figure 1a

30

40

50

ms

WAKE UP Duty Cycle nominal

see Figure 1c

40

50

60

%

HIGH to WAKE UP

50%

rising edge to

15

20

25

ms

Rising Delay Time

50% WAKE UP edge

(see Figure 1)

WAKE UP Response

50% WDI falling edge to

2

10

µs

to Watchdog Input

50% WAKE UP falling edge

WAKE UP Response

50%

falling edge to

2

10

µs

to

50% WAKE UP falling edge

VOUT = 5V®4.5V

Output

LOW

IOUT = 25µA(sinking)

0.2

0.8

V

HIGH

IOUT = 25µA(sourcing)

3.8

4.2

5.1

V

Current Limit

WAKE UP = 5V

0.025

1.00

7.00

mA

WAKE UP = 0V

.05

3.50

mA

RESET

7L TO-220 &

16 L PDIP

16L SOIC

7L D2PAK

(internally fused) (internally fused)

299

VIN

Supply voltage to the IC.

3

11

WDI

CMOS/TTL compatible input lead. The watchdog function

monitors the falling edge of the incoming signal.

4

4,5,12,13

4,5,6,12,13

Gnd

Ground Connection

7

16

Delay

Input lead from timing capacitor for

and WAKE UP

signal.

6

15

CMOS/TTL compatible output lead

goes low when-

ever VOUT drops by more than 6% from nominal, or during

the absence of a correct watchdog signal.

5

14

WAKE UP

CMOS/TTL compatible output consisting of a continuously

generated signal used to WAKE UP the microprocessor from

sleep mode.

188

VOUT

Regulated output voltage 5V ± 2%.

7

Sense

Kelvin connection which allows remote sensing of the output

voltage for improved regulation. If remote sensing is not

required, connect to VOUT.

RESET

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CS8151YNF16 Fiches technique(PDF) 3 Page - Cherry Semiconductor Corporation

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