LTC1734 LINER [Linear Technology], LTC1734 Datasheet - Page 12

• Manufacturer Part Number: LTC1734
• Description: Lithium-Ion Linear Battery Charger in ThinSOT
• Manufacturer: LINER [Linear Technology]

PACKAGE DESCRIPTIO
APPLICATIONS
RELATED PARTS
LTC1734
resulting in the IC’s junction temperature to rise above
150 C, thus cutting off the PNP’s base current. This
action will limit the PNP’s junction temperature to some
temperature well above 150 C. The temperature
PART NUMBER
LT
LT1571-1/LT1571-2 200kHz/500kHz Constant-Current/Constant-Voltage Battery
LT1571-5
LTC1729
LTC1730
LTC1731
LTC1732
LT1769
12
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
4. DIMENSIONS ARE INCLUSIVE OF PLATING
5. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
6. MOLD FLASH SHALL NOT EXCEED .254mm
7. PACKAGE EIAJ REFERENCE IS:
(.008)
.20
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
®
1510-5
DATUM ‘A’
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
L
MILLIMETERS
(INCHES)
DESCRIPTION
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,
Linear Constant-Current/Constant-Voltage Charger Controller Simple Charger Uses External FET. Input Power Good Indication
200kHz Constant-Current/Constant-Voltage Battery Charger
500kHz Constant-Current/Constant-Voltage Battery Charger
Charger Family
U
INFORMATION
U
(.004 – .008)
.09 – .20
(NOTE 2)
W
U
www.linear.com
A A2
A1
A2
A
L
U
(LTC DWG # 05-08-1634)
(LTC DWG # 05-08-1636)
6-Lead Plastic SOT-23
(.035 – .057)
(.035 – .051)
(.014 – .021)
(.00 – .006)
(Original)
.90 – 1.45
.00 – 0.15
.90 – 1.30
.35 – .55
SOT-23
S6 Package
(.074)
1.90
REF
(.012 – .019 REF)
(.0004 – .004)
.30 – .50 REF
(.031 – .035)
(.039 MAX)
depends on how well the IC and PNP are thermally
connected and on the transistor’s
PNP Transistor section for information on protecting the
transistor from overheating.
(ThinSOT)
1.00 MAX
.01 – .10
.80 – .90
SOT-23
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
Features Preset Voltages, C/10 Charge Detection and Program-
mable Timer
Up to 2A Charge Current for Li-Ion, NiCd, NiMH or Lead-Acid
Batteries with Input Current Limit
A1
(.102 – .118)
2.60 – 3.00
(.059 – .069)
1.50 – 1.75
sn1734 1734fs LT/TP 0801 2K • PRINTED IN THE USA
(NOTE 3)
LINEAR TECHNOLOGY CORPORATION 2001
(.037)
REF
.95
JA
PIN ONE ID
(6PLCS, NOTE 2)
. See the External
(.010 – .020)
(.110 – .118)
.25 – .50
2.80 – 3.10
(NOTE 3)
S6 SOT-23 0401