LTC1435A View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1435A

High Efficiency Low Noise Synchronous Step-Down Switching Regulator

Linear Technology 

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LTC1435A

TYPICAL APPLICATIONS

Dual Output 5V and 12V Application

COSC

68pF

RC

10k

CC2

51pF

CSS

0.1µF

CC1

510pF

100pF

1000pF

VIN

5.4V TO 28V

1

COSC

2

RUN/SS

16

TG

15

BOOST

M1

IRF7403

+ CIN

22µF

35V

×2

MBRS1100T3

3

ITH

14

SW

4

SFB

LTC1435A

13

VIN

5

SGND

12

INTVCC

6

VOSENSE

11

BG

7 SENSE–

10

PGND

8 SENSE+

9

EXTVCC

CMDSH-3 0.1µF

+

4.7µF

M2

IRF7403

T1

10µH

1:2.2

RSENSE

0.033Ω

MBRS140T3

+ CSEC

3.3µF

25V

R1

35.7k

1% +

R2

20k

1%

24V

VOUT

5V/3.5A

COUT

100µF

10V

×2

100Ω

100Ω

SGND

10k

90.9k

T1: DALE LPE6562-A092

1435A TA02

VOUT2

12V

PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.

0.205 – 0.212**

(5.20 – 5.38)

G Package

16-Lead Plastic SSOP (0.209)

(LTC DWG # 05-08-1640)

0.068 – 0.078

(1.73 – 1.99)

0.239 – 0.249*

(6.07 – 6.33)

16 15 14 13 12 11 10 9

0° – 8°

0.005 – 0.009

(0.13 – 0.22)

0.022 – 0.037

(0.55 – 0.95)

0.0256

(0.65)

BSC

*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

**DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

0.010 – 0.015

(0.25 – 0.38)

0.002 – 0.008

(0.05 – 0.21)

0.301 – 0.311

(7.65 – 7.90)

1 2 3 4 5 6 7 8 G16 SSOP 1197

0.010

(0.254

–

–

0.020

0.508)

×

45°

0.008 – 0.010

(0.203 – 0.254)

0.053 – 0.069

(1.346 – 1.752)

0° – 8° TYP

S Package

16-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

0.386 – 0.394*

(9.804 – 10.008)

0.004 – 0.010

(0.101 – 0.254)

16 15 14 13 12 11 10

0.016 – 0.050

0.406 – 1.270

0.014 – 0.019

(0.355 – 0.483)

*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

0.050

(1.270)

TYP

0.228 – 0.244

(5.791 – 6.197)

1

2

34

5

6

7

9

0.150 – 0.157**

(3.810 – 3.988)

S16 0695

8

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

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