LT1076HVIT-5 Linear Technology, LT1076HVIT-5 Datasheet

LT1076HVIT-5

Manufacturer Part Number

LT1076HVIT-5

Description

IC MULTI CONFIG 5V 2A TO220-5

Manufacturer

Linear Technology

Type

Step-Down (Buck), Step-Up (Boost), Inverting, Flybackr

Datasheet

1.LT1076CT-5PBF.pdf (8 pages)

Specifications of LT1076HVIT-5

Internal Switch(s)

Yes

Synchronous Rectifier

Number Of Outputs

Voltage - Output

Current - Output

Frequency - Switching

100kHz

Voltage - Input

8 ~ 60 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Through Hole

Package / Case

TO-220-5 (Bent and Staggered Leads)

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Power - Output

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

LT1076HVIT-5#PBF

Manufacturer:

LINEAR/凌特

Quantity:

20 000

Current page: 1 of 8
Download datasheet (109Kb)

FEATURES

APPLICATIONS

TYPICAL APPLICATION

Fixed 5V Output

2A On-Board Switch

100kHz Switching Frequency

2% Output Voltage Tolerance Over Temperature

Greatly Improved Dynamic Behavior

Available in Low Cost 5- and 7-Lead Packages

Only 9.5mA Quiescent Current

Operates Up to 60V Input

5V Output Buck Converter

Tapped Inductor Buck Converter with 4A Output at

Positive-to-Negative Converter

8V TO 40V

200μF

GND

LT1076-5

SENSE

Basic Positive Buck Converter

1.5k

0.033μF

MBR340*

100μH**

DESCRIPTION

The LT

switching regulator which requires only a few external parts

for normal operation. The power switch, all oscillator and

control circuitry, all current limit components, and an output

monitor are included on the chip. The topology is a classic

positive “buck” conﬁ guration but several design innova-

tions allow this device to be used as a positive-to-negative

converter, a negative boost converter, and as a ﬂ yback con-

verter. The switch output is speciﬁ ed to swing 40V below

ground, allowing the LT1076-5 to drive a tapped inductor

in the buck mode with output currents up to 4A.

The LT1076-5 uses a true analog multiplier in the feedback

loop. This makes the device respond nearly instantaneously

to input voltage ﬂ uctuations and makes loop gain indepen-

dent of input voltage. As a result, dynamic behavior of the

regulator is signiﬁ cantly improved over previous designs.

On-chip pulse by pulse current limiting makes the LT1076-

5 nearly bust-proof for output overloads or shorts. The

input voltage range as a buck converter is 8V to 60V, but

a self-boot feature allows input voltages as low as 5V in

the inverting and boost conﬁ gurations.

The LT1076-5 is available in a low cost 5- and 7-lead TO-

220 packages with frequency pre-set at 100kHz and current

limit at 2.6A. See Application Note 44 for design details.

All other trademarks are the property of their respective owners.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

†

1076-5 is a 2A ﬁ xed 5V output monolithic bipolar

LT1076-5 TA01

25V

500μF

≤1.8A

Switching Regulator

†

MBR330P MAY BE USED

FOR V

COILTRONICS #100-1-52

HURRICANE #HL-AG210LL

VALUE MAY BE REDUCED TO 50μH

FOR OUTPUT LOADS BELOW 1.5A

≤ 25V

5V Step-Down

LT1076-5

10765fc

Related parts for LT1076HVIT-5

LT1076HVIT-5 Summary of contents

Page 1

... The LT1076-5 is available in a low cost 5- and 7-lead TO- 220 packages with frequency pre-set at 100kHz and current limit at 2.6A. See Application Note 44 for design details. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Basic Positive Buck Converter 100μ ...

Page 2

... V = 25V, unless otherwise noted ORDER PART ORDER PART NUMBER NUMBER LT1076CQ-5 LT1076CR-5 ORDER PART ORDER PART NUMBER NUMBER LT1076CT-5 LT1076CT7-5 LT1076HVCT-5 LT1076IT-5 LT1076HVIT-5 MIN TYP MAX l 1.2 l 1.7 150 250 UNITS V V μA μA 10765fc ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise speciﬁ cations are at T SYMBOL CONDITIONS Supply Current (Note 5.5V, V OUT 40V < SHDN Minimum Supply Voltage Normal Mode Start-Up Mode (Note 4) Switch Current Limit (Note 5) ...

Page 4

LT1076-5 PACKAGE DESCRIPTION .060 .256 (1.524) (6.502) .060 .183 (1.524) (4.648) .075 (1.905) .300 (7.620) BOTTOM VIEW OF DD PAK HATCHED AREA IS SOLDER PLATED COPPER HEAT SINK .067 RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN INCH/(MILLIMETER) 2. DRAWING ...

Page 5

TYP (1.524) (6.502) .060 .183 (1.524) (4.648) .330 – .370 (8.382 – 9.398) .075 (1.905) .300 (7.620) .143 ( BOTTOM VIEW OF DD PAK HATCHED AREA IS SOLDER PLATED 3.632 COPPER HEAT SINK .420 .050 RECOMMENDED ...

Page 6

LT1076-5 PACKAGE DESCRIPTION .390 – .415 (9.906 – 10.541) .230 – .270 (5.842 – 6.858) .460 – .500 (11.684 – 12.700) .330 – .370 (8.382 – 9.398) .067 BSC .028 – .038 (1.70) (0.711 – 0.965 Package 5-Lead ...

Page 7

... BSC (1.27) 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. T7 Package 7-Lead Plastic TO-220 (Standard) (Reference LTC DWG # 05-08-1422) .147 – ...

Page 8

... FAX: (408) 434-0507 ● COMMENTS V : 7.3V to 45V/64V OUT(MIN 5.5V to 60V 1.20V OUT(MIN 5.5V to 60V 1.20V OUT(MIN) www.linear.com ● : 2.21V 8.5mA 10μA, DD5/7, TO-2205/7 Q SHDN : 2.5mA 25μA, TSSOP16E Q SHDN : 2.5mA 25μA, TSSOP16E Q SHDN LT 0407 REV C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1994 10765fc ...

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