LTC4085EDE-3-TRPBF データシートの表示（PDF） - Linear Technology
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LTC4085EDE-3-TRPBF
Linear Technology
LTC4085EDE-3-TRPBF Datasheet PDF : 24 Pages
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LTC4085-3/LTC4085-4
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2, 3, 4, 5)
Terminal Voltage
IN, OUT
t < 1ms and Duty Cycle < 1%................... –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, CHRG, HPWR, SUSP, WALL, ACPR....... –0.3V to 6V
NTC, TIMER, PROG, CLPROG.......–0.3V to (VCC + 0.3V)
Pin Current (Steady State)
IN, OUT, BAT (Note 6)...............................................2.5A
Operating Temperature Range.................. –40°C to 85°C
Maximum Operating Junction Temperature .......... 110°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
IN 1
OUT 2
CLPROG 3
HPWR 4
SUSP 5
TIMER 6
WALL 7
14 BAT
13 GATE
12 PROG
15
11 CHRG
10 ACPR
9 VNTC
8 NTC
DE PACKAGE
14-LEAD (4mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE CONNECTED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC4085EDE-3#PBF LTC4085EDE-3#TRPBF 40853
14-Lead (4mm × 3mm) Plastic DFN
LTC4085EDE-4#PBF LTC4085EDE-4#TRPBF 40854
14-Lead (4mm × 3mm) Plastic DFN
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/
LTC4085 Options
PART NUMBER
FLOAT VOLTAGE
NTC HOT THRESHOLD
UNDERVOLTAGE CURRENT LIMIT*
LTC4085
4.2V
29% VVNTC
Yes
LTC4085-1
4.1V
32.6% VVNTC
Yes
LTC4085-3
3.95V
32.6% VVNTC
Yes
LTC4085-4
3.95V
32.6% VVNTC
No
*Undervoltage current limit reduces charge current as VOUT falls below approximately 4.45V.
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The ● indicates specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C (Note 5). VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,
RCLPROG = 2k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VIN
Input Supply Voltage
VBAT
Input Voltage
IIN
Input Supply Current
IOUT
Output Supply Current
IBAT
Battery Drain Current
IN and OUT
4.35
5.5
V
BAT
4.3
V
IBAT = 0 (Note 7)
●
Suspend Mode; SUSP = 5V
●
Suspend Mode; SUSP = 5V, WALL = 5V, ●
VOUT = 4.8V
VOUT = 5V, VIN = 0V, NTC = VNTC
●
VBAT = 4.05V, Charging Stopped
●
Suspend Mode; SUSP = 5V
●
VIN = 0V, BAT Powers OUT, No Load
●
0.5
1.2
mA
50
100
μA
60
110
μA
0.7
1.4
mA
15
27
μA
22
35
μA
60
100
μA
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