LTC4052-42 View Datasheet(PDF) - Linear Integrated System
Part Name
Description
Manufacturer
LTC4052-42 Datasheet PDF : 8 Pages
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LTC4052-4.2
TYPICAL APPLICATIO S
External N-MOSFET for Higher Charge Current
VIN = 5V TO 10V WITH 2A CURRENT LIMIT
MBRS120T3
4.7Ω
1µF
AC
PRESENT
1k
STATUS
CHARGE
STATUS
3
VIN
10k
1k
LTC4052
0.047µF
6
CHRG
2
ACPR
TIMER
1
SENSE
7
GATE
8
BAT
0.022µF
GND
CTIMER 5
4
0.1µF
RSENSE
25mΩ
Si2302DS
1-CELL 4.2V
Li-Ion
BATTERY
4052 TA03
Minimum Component Count 4.2V Li-Ion Battery Charger
VIN = 5V TO 10V WITH 600mA CURRENT LIMIT
3
VIN
LTC4052
6
NC CHRG
2
NC ACPR
1
SENSE
7
GATE
8
BAT
TIMER GND
CTIMER 5
4
0.1µF
10k
0.047µF
0.022µF
1-CELL 4.2V
600mA
Li-Ion BATTERY
4052 TA04
PACKAGE DESCRIPTIO
2.794 ± 0.102
(.110 ± .004)
0.889 ± 0.127
(.035 ± .005)
MS8E Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1662)
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
8 7 65
5.23
(.206)
MIN
2.083 ± 0.102 3.2 – 3.45
(.082 ± .004) (.126 – .136)
RECOMMENDED SOLDER PAD LAYOUT
0.254
(.010)
DETAIL “A”
0° – 6° TYP
4.88 ± 0.1
(.192 ± .004)
0.42 ± 0.04
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
GAUGE PLANE
0.18
NOTE:
(.077)
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.53 ± 0.015
(.021 ± .006)
DETAIL “A”
1 234
1.10
(.043)
MAX
SEATING
PLANE
0.22 – 0.38
(.009 – .015)
0.65
(.0256)
BCS
0.52
(.206)
REF
3.00 ± 0.102
(.118 ± .004)
NOTE 4
BOTTOM VIEW OF
EXPOSED PAD OPTION
2.06 ± 0.102
1
(.080 ± .004)
1.83 ± 0.102
(.072 ± .004)
8
0.86
(.34)
REF
0.13 ± 0.05
(.005 ± .002)
MSOP (MS8E) 1001
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ThinSOT is a trademark of Linear Technology Corporation
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
COMMENTS
Most Compact, Up to 1.5A, Charges NiCd, NiMH, Li-Ion Cells
Time or Charge Current Termination, Automatic Charger/Battery
Detection Status Output, Preconditioning, 8-Lead MSOP
Battery Temperature Sensing, FAULT Output, SO-8 and SSOP-16 Packages
CC/CV Charges Li-Ion Cells, 8-Lead MSOP
CC/CV Charges Li-Ion Cells, Automatic Battery Detection, 10-Lead MSOP
Standalone Charger, Constant-Current/Constant-Voltage/
Constant-Temperature, Integrated MOSFET, No External Sense Resistor
or Blocking Diodes
Only Two External Components, Up to 700mA ICHARGE, No Reverse
Current Diode Required, No Sense Resistor Required
Drives External MOSFET, 10-Lead MSOP
405242i
LT/TP 0702 1.5K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2001
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