LT1615 Linear Technology, LT1615 Datasheet - Page 8

• Manufacturer Part Number: LT1615
• Description: Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter
• Manufacturer: Linear Technology

LT1615/LT1615-1
TYPICAL APPLICATIO S
PACKAGE DESCRIPTIO
PART NUMBER
LT1307
LT1316
LT1317
LT1610
LT1611
LT1613
LT1617
Burst Mode is a trademark of Linear Technology Corporation
8
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
(0.014 – 0.022)
0.35 – 0.55
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)
DESCRIPTION
Single-Cell Micropower 600kHz PWM DC/DC Converter
Burst Mode
2-Cell Micropower DC/DC with Low-Battery Detector
Single-Cell Micropower DC/DC Converter
1.4MHz Inverting Switching Regulator in 5-Lead SOT-23
1.4MHz Switching Regulator in 5-Lead SOT-23
Micropower Inverting DC/DC Converter in 5-Lead SOT-23
1.5V TO 5V
(0.059 – 0.069)
(0.102 – 0.118)
TM
1.50 – 1.75
2.60 – 3.00
V
Operation DC/DC with Programmable Current Limit
IN
U
C1: TAIYO YUDEN LMK316BJ475
C2, C3, C4: TAIYO YUDEN TMK316BJ105 [phone]
C5: TAIYO YUDEN LMK212BJ105
L1: MURATA LQH3C100K24
D1, D2, D3, D4: MOTOROLA MBR0530
(0.004 – 0.008)
U
0.09 – 0.20
20V Dual Output Converter with Load Disconnect
C1
4.7 F
(NOTE 2)
4
Dimensions in millimeters (inches) unless otherwise noted.
(0.00 – 0.006)
SHDN
V
0.00 – 0.15
IN
5
LT1615
FIVE PLACES (NOTE 2)
10 H
5-Lead Plastic SOT-23
(LTC DWG # 05-08-1633)
GND
L1
(0.014 – 0.020)
2
0.35 – 0.50
1 F
C4
SW
S5 Package
FB
1
3
1 F
C5
[phone]
[phone]
[phone]
[phone]
(0.035 – 0.057)
(0.035 – 0.051)
0.90 – 1.45
0.90 – 1.30
D4
D2
D1
COMMENTS
3.3V at 75mA from One Cell, MSOP Package
1.5V Minimum, Precise Control of Peak Current Limit
3.3V at 200mA from Two Cells, 600kHz Fixed Frequency
3V at 30mA from 1V, 1.7MHz Fixed Frequency
– 5V at 150mA from 5V Input, Tiny SOT-23 Package
5V at 200mA from 3.3V Input, Tiny SOT-23 Package
–15V at 12mA from 2.5V Input, Tiny SOT-23 Package
2M
130k
(0.110 – 0.118)
2.80 – 3.00
(NOTE 3)
D3
4.7pF
(0.074)
1.90
REF
1615/-1 TA05
C3
1 F
C2
1 F
–20V
4mA
20V
4mA
LINEAR TECHNOLOGY CORPORATION 1998
16151f LT/TP 1099 4K • PRINTED IN USA
S5 SOT-23 0599
(0.037)
0.95
REF