ltc1734es6-4.2-trmpbf Linear Technology Corporation, ltc1734es6-4.2-trmpbf Datasheet - Page 12

• Manufacturer Part Number: ltc1734es6-4.2-trmpbf
• Description: Lithium-ion Linear Battery Charger In Thinsot
• Manufacturer: Linear Technology Corporation

APPLICATIONS
PACKAGE DESCRIPTIO
LTC1734L
and resulting in the IC’s junction temperature to rise
above 150 C, thus cutting off the base current to the PNP
transistor. This action will limit the transistor junction
temperature to a temperature well above 150 C. The
RELATED PARTS
12
PART NUMBER
LT
LT1571-1/LT1571-2 200kHz/500kHz Constant-Current/Constant-Voltage Battery
LT1571-5
LTC1729
LTC1730
LTC1731
LTC1733
LTC1734
LT1769
®
1510-5
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
FLASH AND METAL BURR
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
500kHz Constant-Current/Constant-Voltage Battery Charger
Charger Family
Li-Ion Battery Charger Termination Controller
Li-Ion Battery Pulse Charger
Linear Constant-Current/Constant-Voltage Charger Controller Simple Charger Uses External FET. Features Preset Voltages,
Standalone, Monolithic Linear Li-Ion Battery Charger
200mA to 700mA Li-Ion Linear Charger in ThinSot
200kHz Constant-Current/Constant-Voltage Battery Charger
U
INFORMATION
U
3.85 MAX
0.20 BSC
2.62 REF
W
DATUM ‘A’
RECOMMENDED SOLDER PAD LAYOUT
U
www.linear.com
MAX
0.62
PER IPC CALCULATOR
(Reference LTC DWG # 05-08-1636)
U
0.30 – 0.50 REF
0.95
REF
6-Lead Plastic TSOT-23
S6 Package
1.22 REF
1.4 MIN
temperature depends on how well the IC and PNP are
thermally connected and on the transistor’s
External PNP Transistor section for information on pro-
tecting the transistor from overheating.
0.09 – 0.20
(NOTE 3)
COMMENTS
Up to 1A Charge Current for Li-Ion, NiCd, NiMH or Lead-Acid
Batteries
Up to 1.5A Charge Current for 1-, 2- or Multiple Cell Li-Ion Batteries,
Preset and Adjustable Battery Voltages, C/10 Charge Detection
Can be Used with LTC Battery Chargers to Provide Charge Termina-
tion, Preset Voltages, C/10 Charge Detection and Timer Functions
Minimizes Heat Dissipation, No Blocking Diode Required,
Limits Maximum Current for Safety
C/10 Charge Detection and Programmable Timer
C/10 Charge Detection and Programmable Timer, 1.25A,
4.2V Single-Cell, Thermal Feedback Loop
Pin Compatible with the LTC1734L, Higher Charge Current
Up to 2A Charge Current for Li-Ion, NiCd, NiMH or Lead-Acid
Batteries with Input Current Limit
2.80 BSC
1.00 MAX
1.50 – 1.75
(NOTE 4)
0.80 – 0.90
0.95 BSC
PIN ONE ID
2.90 BSC
(NOTE 4)
1.90 BSC
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0802 2K • PRINTED IN THE USA
S6 TSOT-23 0302
0.01 – 0.10
0.30 – 0.45
6 PLCS (NOTE 3)
JA
. See the
1734lf