LM2695_15 datasheet(5/21 Pages) TI

Teilenummer	LM2695

Bauteilbeschribung	LM2695 High Voltage (30V, 1.25A) Step Down Switching Regulator

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Hersteller	TI [Texas Instruments]

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LM2695

ON TIMER

250 ns

OFF TIMER

LEVEL

SHIFT

THERMAL

SHUTDOWN

7V SERIES

REGULATOR

VCC

UVLO

8V-30V

Input

VIN

C1

RON

C5

RON

/SD

SS

FB

RTN

LOGIC

REGULATION

COMPARATOR

OVER-

VOLTAGE

COMPARATOR

+

-

+

-

+

-

D1

SGND

ISEN

SW

BST

VCC

VIN

COMPLETE

START

RON

START

COMPLETE

C3

C4

R1

R2

R3

C2

CURRENT LIMIT

COMPARATOR

RSENSE

50 m:

VOUT1

VOUT2

2.9V

2.5V

12.3 PA

GATE DRIVE

UVLO

L1

+

-

+

-

0.8V

DRIVER

62.5 mV

C6

6.5

7.0

7.5

8.0

8.5

9.0

5.0

5.5

6.0

6.5

7.0

7.5

VIN (V)

FS = 750 kHz

FS = 45 kHz

FS = 150 kHz

0

10

20

30

VIN (V)

0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

RON = 400k

RON = 200k

RON = 100k

RON = 44.2k

LM2695

www.ti.com

SNVS413A – JANUARY 2006 – REVISED APRIL 2013

Typical Performance Characteristics

Figure 3. VCC vs VIN

Figure 4. ON-Time vs VIN and RON

Typical Application Circuit and Block Diagram

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Ähnliche Beschreibung - LM2695_15

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
National Semiconductor ...	LM2695	623Kb / 14P	High Voltage (30V, 1.25A) Step Down Switching Regulator
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