LTC1734 Datasheet, PDF (12/12 Pages) Linear Technology – Lithium-Ion Linear Battery Charger in ThinSOT

LTC1734
APPLICATIONS INFORMATION
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
depends on how well the IC and PNP are thermally
connected and on the transistor’s θ_JA. See the External
PNP Transistor section for information on protecting the
transistor from overheating.
PACKAGE DESCRIPTIO
S6 Package
6-Lead Plastic SOT-23
(LTC DWG # 05-08-1634)
(LTC DWG # 05-08-1636)
2.80 – 3.10
(.110 – .118)
(NOTE 3)
.20
(.008)
DATUM ‘A’
A ^A2
L
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2.
DIMENSIONS
ARE
IN
MILLIMETERS
(INCHES)
.09 – .20
(.004 – .008)
(NOTE 2)
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:
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
1.90
(.074)
REF
SOT-23
(Original)
A
.90 – 1.45
(.035 – .057)
.00 – 0.15
A1 _{(.00 – .006)}
A2
.90 – 1.30
(.035 – .051)
L
.35 – .55
(.014 – .021)
SOT-23
(ThinSOT)
1.00 MAX
(.039 MAX)
.01 – .10
(.0004 – .004)
.80 – .90
(.031 – .035)
.30 – .50 REF
(.012 – .019 REF)
2.60 – 3.00 1.50 – 1.75
(.102 – .118) (.059 – .069)
(NOTE 3)
A1
PIN ONE ID
.95
(.037)
REF
.25 – .50
(.010 – .020)
(6PLCS, NOTE 2)
S6 SOT-23 0401
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
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500kHz Constant-Current/Constant-Voltage Battery Charger Up to 1A Charge Current for Li-Ion, NiCd, NiMH or Lead-Acid
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LT1571-5
Charger Family
Preset and Adjustable Battery Voltages, C/10 Charge Detection
LTC1729
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Can be Used with LTC Battery Chargers to Provide Charge Termina-
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LTC1730
Li-Ion Battery Pulse Charger
Minimizes Heat Dissipation, No Blocking Diode Required,
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LTC1731
Linear Constant-Current/Constant-Voltage Charger Controller Simple Charger Uses External FET. Features Preset Voltages,
C/10 Charge Detection and Programmable Timer
LTC1732
Linear Constant-Current/Constant-Voltage Charger Controller Simple Charger Uses External FET. Input Power Good Indication
Features Preset Voltages, C/10 Charge Detection and Program-
mable Timer
LT1769
200kHz Constant-Current/Constant-Voltage Battery Charger Up to 2A Charge Current for Li-Ion, NiCd, NiMH or Lead-Acid
Batteries with Input Current Limit
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
sn1734 1734fs LT/TP 0801 2K • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2001