EL7464CRE-T13 데이터 시트보기 (PDF) - Elantec -> Intersil

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EL7464CRE-T13

Monolithic 4 Amp DC:DC Step-down Regulator

Elantec -> Intersil 

EL7564C

Monolithic 4 Amp DC:DC Step-down Regulator

Closed Loop AC Electrical Characteristics

VS = VIN = 5V, TA = TJ = 25°C, COSC = 1.2nF, unless otherwise specified.

Parameter

FOSC

tSYNC

MSS

tBRM

tLEB

DMAX

Description

Oscillator Initial Accuracy

Minimum Oscillator Sync Width

Soft Start Slope

FET Break Before Make Delay

High Side FET Minimum On Time

Maximum Duty Cycle

Conditions

Typical Application Diagrams (Continued)

Min

Typ

Max

Unit

105

117

130

kHz

25

ns

0.5

V/ms

15

ns

150

ns

95

%

C5

0.1µF

C4

390pF

C2

2.2nF

VIN

5V

R4

22Ω

330µF

1 VREF

2 SGND

3 COSC

C3

0.22µF

4 VDD

5 VTJ

6 PGND

7 PGND

8 PGND

9 PGND

10 VIN

11 VIN

12 NC

13 STP

14 STN

EN 28

FB 27

PG 26

VDRV 25

VHI 24

LX 23

LX 22

LX 21

LX 20

LX 19

LX 18

NC 17

PGND 16

PGND 15

EL7564CRE

(28-Pin HTSSOP)

C6

0.22µF

L1

4.7µH

D1

C7

330µF

VOUT

3.3V,

4A

R2

2.37kΩ

C10

2.2nF

R1

1kΩ

For the package information, please refer to the Elantec website at http://www.elantec.com/pages/package_outline.html

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