LT1371CR Linear Technology, LT1371CR Datasheet - Page 16

• Manufacturer Part Number: LT1371CR
• Description: IC SWTCHNG REG 3A HI-EFF 7-DD
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr

Specifications of LT1371CR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 35 V
• Current - Output: 3A
• Frequency - Switching: 500kHz
• Voltage - Input: 2.7 ~ 25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LT1371
PACKAGE
RELATED PARTS
PART NUMBER
LT1171
LTC
LT1302
LT1372
LT1373
LT1376
LT1512
LT1513
16
®
1265
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
(9.906 – 10.541)
(11.684 – 12.700)
0.390 – 0.415
0.460 – 0.500
DESCRIPTION
100kHz 2.5A Boost Switching Regulator
12V 1.2A Monolithic Buck Converter
Micropower 2A Boost Converter
500kHz 1.5A Boost Switching Regulator
Low Supply Current 250kHz 1.5A Boost Switching Regulator
500kHz 1.5A Buck Switching Regulator
500kHz 1.5A SEPIC Battery Charger
500kHz 3A SEPIC Battery Charger
(1.016 – 1.524)
0.040 – 0.060
DESCRIPTION
FAX
: [phone]
TELEX
U
: 499-3977
(0.660 – 0.914)
0.026 – 0.036
(5.842 – 6.858)
(8.382 – 9.398)
0.230 – 0.270
0.330 – 0.370
Dimensions in inches (millimeters) unless otherwise noted.
7-Lead Plastic TO-220 (Standard)
(3.734 – 3.937)
0.147 – 0.155
(14.478 – 15.748)
(LTC DWG # 05-08-1422)
DIA
0.570 – 0.620
(6.604 – 8.128)
0.260 – 0.320
T7 Package
(3.860 – 5.130)
0.152 – 0.202
COMMENTS
Good for Up to V
Converts 5V to 3.3V at 1A with 90% Efficiency
Also Regulates Negative Flyback Outputs
90% Efficient Boost Converter with Constant Frequency
Steps Down from Up to 25V Using 4.7 H Inductors
Input Voltage May Be Greater or Less Than Battery Voltage
Converts 2V to 5V at 600mA in SO-8 Packages
Input Voltage May Be Greater or Less Than Battery Voltage
(17.780 – 18.491)
0.700 – 0.728
(3.429 – 4.191)
0.135 – 0.165
(4.293 – 4.572)
0.165 – 0.180
(15.75)
0.620
IN
TYP
= 40V
LT/GP 0996 5K REV A • PRINTED IN THE USA
LINEAR TECHNOLOGY CORPORATION 1995
(3.937 – 4.953)
(0.330 – 0.584)
0.155 – 0.195
T7 (TO-220) (FORMED) 0695
0.013 – 0.023
(2.413 – 2.921)
0.095 – 0.115
(1.143 – 1.397)
0.045 – 0.055