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LTC4097 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC4097
Description  USB/Wall Adapter Standalone Li-Ion/Polymer Battery Charger
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4097 Datasheet(HTML) 2 Page - Linear Technology

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LTC4097
2
4097f
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER INFORMATION
ABSOLUTE MAXIMUM RATINGS
VDCIN, VUSBIN
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, ⎯C⎯H⎯R⎯G, NTC, HPWR, SUSP................... –0.3V to 6V
IDC, IUSB, ITERM ............................–0.3V to VCC + 0.3V
BAT Short-Circuit Duration............................ Continuous
VNTC Short-Circuit Duration ......................... Continuous
DCIN, BAT Pin Current (Note 6) .............................1.25A
USBIN Pin Current (Note 6) .....................................1.1A
IDC, IUSB, ITERM Pin Current ............................1.25mA
Junction Temperature ........................................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
(Note 1,7)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDCIN
Adapter Supply Voltage
4.25
5.5
V
VUSBIN
USB Supply Voltage
4.25
5.5
V
IDCIN
DCIN Supply Current
Charge Mode (Note 4), RIDC = 10k
Standby Mode; Charge Terminated
Shutdown Mode (SUSP = 5V)
250
50
20
800
100
40
µA
µA
µA
IUSBIN
USBIN Supply Current
Charge Mode (Note 5), RIUSB = 10k, VDCIN = 0V
Standby Mode; Charge Terminated, VDCIN = 0V
Shutdown (VDCIN = 0V, SUSP = 5V)
VDCIN > VUSBIN
250
50
20
10
800
100
40
20
µA
µA
µA
µA
VFLOAT
Regulated Output (Float) Voltage
IBAT = 1mA
IBAT = 1mA, 0°C < TA < 85°C
4.179
4.158
4.2
4.2
4.221
4.242
V
V
IBAT
BAT Pin Current
RIDC = 1.25k, Constant-Current Mode
RIUSB = 2.1k, Constant-Current Mode
RIUSB = 2.1k, Constant-Current Mode, HPWR = 0V
RIDC = 10k or RIUSB = 10k
Standby Mode, Charge Terminated
Shutdown Mode (Charger Disabled)
Sleep Mode (VDCIN = 0V, VUSBIN = 0V)
750
450
90
88
800
476
95
100
–5
–2
–5
850
500
100
112
–8
–4
–8
mA
mA
mA
mA
µA
µA
µA
VIDC
IDC Pin Regulated Voltage
Constant-Current Mode, RIDC = 1.25k
1
V
VIUSB
IUSB Pin Regulated Voltage
Constant-Current Mode, RIUSB = 2k
Constant-Current Mode, RIUSB = 2k, HPWR = 0
1
0.2
V
V
ITERMINATE
Charge Current Termination
Threshold
RITERM = 1k
RITERM = 2k
RITERM = 10k
88
42
6
100
50
9.5
112
58
13
mA
mA
mA
ITRIKL
Trickle Charge Current
VBAT < VTRIKL; RIDC = 1k
VBAT < VTRIKL; RIUSB = 2k
85
42
100
50
115
58
mA
mA
TOP VIEW
13
DDB PACKAGE
12-LEAD (3mm
× 2mm) PLASTIC DFN
DCIN
USBIN
VNTC
CHRG
SUSP
NTC
BAT
GND
IDC
IUSB
ITERM
HPWR
8
7
10
9
11
12
5
6
4
2
3
1
TJMAX = 125°C, θJA = 60°C/W (Note 3)
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
DDB PART MARKING
LTC4097EDDB
LCRM
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDCIN = 5V, VUSBIN = 5V, HPWR = 5V, NTC = 0V, RIDC = 1kΩ, RIUSB = 2kΩ,
RITERM = 2kΩ unless otherwise noted.


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