LT1611 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1611 Datasheet PDF : 12 Pages
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LT1611
TYPICAL APPLICATIO S
4-Cell to –10V Inverting Converter
VIN
+
SHUTDOWN
L1A
15µH
C1
VIN
SW
22µF
LT1611
SHDN
NFB
GND
C2
1µF
68.1k
10k
L1B
15µH
D1
VOUT
–10V/60mA
C3
6.8µF
C1: AVX TAJB226M010
(803) 946-0362
C2: TAIYO YUDEN LMK212BJ105MG
C3: AVX TAJA685M016
D1: MOTOROLA MBR0520
(800) 441-2447
L1: SUMIDA CL562-150
(847) 956-0666
1611 TA03
4-Cell to –10V Inverting Converter Efficiency
85
80
VIN = 6.5V
75
VIN = 5V
70
VIN = 3.6V
65
60
55
50
0
25 50 75 100 125 150
LOAD CURRENT (mA)
1611 TA04
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
2.60 – 3.00
(0.102 – 0.118)
1.50 – 1.75
(0.059 – 0.069)
S5 Package
5-Lead Plastic SOT-23
(LTC DWG # 05-08-1633)
0.00 – 0.15
(0.00 – 0.006)
0.90 – 1.45
(0.035 – 0.057)
2.80 – 3.00
(0.110 – 0.118)
(NOTE 3)
0.35 – 0.55
(0.014 – 0.022)
0.09 – 0.20
0.35 – 0.50
0.90 – 1.30
(0.004 – 0.008)
(0.014 – 0.020) (0.035 – 0.051)
(NOTE 2) FIVE PLACES (NOTE 2)
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DIMENSIONS ARE INCLUSIVE OF PLATING
3. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
4. MOLD FLASH SHALL NOT EXCEED 0.254mm
5. PACKAGE EIAJ REFERENCE IS SC-74A (EIAJ)
1.90
(0.074)
REF
0.95
(0.037)
REF
S5 SOT-23 0599
RELATED PARTS
PART NUMBER DESCRIPTION
LT1307
Single Cell Micropower DC/DC with Low Battery Detector
LT1316
Burst ModeTM Operation DC/DC with Programmable Current Limit
LT1317
2-Cell Micropower DC/DC with Low Battery Detector
LT1370/LT1371 500kHz High Efficiency DC/DC Converter
LT1610
Single Cell Micropower DC/DC
LT1613
1.4MHz SOT-23 Step-Up DC/DC Converter
LT1614
Inverting Mode Switching Regulator with Low-Battery Detector
LT1615
Micropower SOT-23 Step-Up DC/DC Converter
LT1617
Micropower SOT-23 Inverting Regulator
Burst Mode is a trademark of Linear Technology Corporation.
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
3.3V/75mA from 1V, 600kHz Fixed Frequency
1.5V Minimum VIN, Precise Control of Peak Switch Current
3.3V/200mA from Two Cells, 600kHz Fixed Frequency
42V, 6A/3A Internal Switch, Negative Feedback Regulation
3V/30mA from 1V, 1.7MHz Fixed Frequency, 30µA IQ
5V at 200mA from 3.3V Input
– 5V at 200mA from 5V Input in MSOP
20µA Quiescent Current, VOUT Up to 34V
VOUT Up to –34V, 20µA Quiescent Current
1611f LT/TP 0999 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1998
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