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LTC4081EDD-TRPBF Datasheet(PDF) 2 Page - Linear Technology

Part # LTC4081EDD-TRPBF
Description  500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck
Download  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4081EDD-TRPBF Datasheet(HTML) 2 Page - Linear Technology

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LTC4081
2
4081f
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4081EDD#PBF
LTC4081EDD#TRPBF
LDBX
10-Lead (3mm × 3mm) DFN
0°C to 70°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
The denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at TA = 25°C, VCC = 5V, VBAT = 3.8V, V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 0V, VNTC = 0V, VEN_BUCK = VBAT, VMODE = 0V.
(Note 2)
ELECTRICAL CHARACTERISTICS
VCC, t < 1ms and Duty Cycle < 1%.............. – 0.3V to 7V
VCC Steady State ......................................... – 0.3V to 6V
BAT, ⎯C⎯H⎯R⎯G .................................................. – 0.3V to 6V
⎯E⎯N⎯_⎯C⎯H⎯R⎯G, PROG, NTC ...................– 0.3V to VCC + 0.3V
MODE, EN_BUCK .......................... – 0.3V to VBAT + 0.3V
FB ............................................................... – 0.3V to 2V
(Note 1)
ABSOLUTE
AXI U
RATI GS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Battery Charger Supply Voltage
(Note 4)
3.75
5
5.5
V
VBAT
Input Voltage for the Switching
Regulator
(Note 5)
2.7
3.8
4.5
V
ICC
Quiescent Supply Current (Charger On,
Switching Regulator Off)
VBAT = 4.5V (Forces IBAT and IPROG = 0),
VEN_BUCK = 0
110
300
μA
ICC_SD
Supply Current in Shutdown (Both
Battery Charger and Switching
Regulator Off)
V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 5V, VEN_BUCK = 0, VCC > VBAT
V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 4V, VEN_BUCK = 0, VCC (3.5V) <
VBAT (4V)
5
2
10
μA
μA
BAT Short-Circuit Duration............................ Continuous
BAT Pin Current ...................................................800mA
PROG Pin Current ....................................................2mA
Junction Temperature .......................................... .125°C
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Storage Temperature Range.................. – 65°C to 125°C
TOP VIEW
DD PACKAGE
10-LEAD (3mm
× 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
BAT
VCC
EN_CHRG
PROG
NTC
SW
EN_BUCK
MODE
FB
CHRG
11
TJMAX = 110°C, θJA = 43°C/W (NOTE 3)
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB


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