LTC4010 Datasheet, PDF (19/20 Pages) Linear Integrated Systems – High Efficiency Standalone Nickel Battery Charger

APPLICATIO S I FOR ATIO
SWITCH NODE
L1
HIGH
V_IN
C_IN
FREQUENCY
CIRCULATING
PATH
D1
C_OUT
V_BAT
BAT
SWITCHING GROUND
4010 F12
Figure 12. High Speed Switching Path
LTC4010
DIRECTION OF CHARGING CURRENT
R_SENSE
4010 F13
SENSE
BAT
Figure 13. Kelvin Sensing of Charge Current
PACKAGE DESCRIPTIO
FE Package
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
Exposed Pad Variation BC
3.58
(.141)
4.90 – 5.10*
(.193 – .201)
3.58
(.141)
16 1514 13 12 1110 9
6.60 ±0.10
4.50 ±0.10
SEE NOTE 4
2.94
(.116)
0.45 ±0.05
1.05 ±0.10
0.65 BSC
RECOMMENDED SOLDER PAD LAYOUT
4.30 – 4.50*
(.169 – .177)
0.25
REF
0° – 8°
2.94
(.116)
6.40
(.252)
BSC
12345678
1.10
(.0433)
MAX
0.09 – 0.20
(.0035 – .0079)
0.50 – 0.75
(.020 – .030)
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2.
DIMENSIONS
ARE
IN
MILLIMETERS
(INCHES)
3. DRAWING NOT TO SCALE
0.65
(.0256)
BSC
0.195 – 0.30
(.0077 – .0118)
TYP
0.05 – 0.15
(.002 – .006)
FE16 (BC) TSSOP 0204
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
4010p
19