LTC4078XEDD 查看數據表（PDF） - Linear Technology
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LTC4078XEDD Datasheet PDF : 16 Pages
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LTC4078/LTC4078X
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (DCIN, USBIN) ............–0.3 to 22V
ENABLE, CHRG, PWR, BATDET, BAT ...............–0.3 to 6V
IDC, IUSB, ITERM Pin Current .................................1mA
DCIN, USBIN, BAT Pin Current....................................1A
BAT Short-Circuit Duration............................Continuous
Maximum Junction Temperature........................... 125°C
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
USBIN 1
IUSB 2
ITERM 3
PWR 4
CHRG 5
10 DCIN
9 BAT
11
8 IDC
7 BATDET
6 ENABLE
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 40°C/W (Note 3)
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC4078XEDD#PBF
LTC4078XEDD#TRPBF LCYP
10-Lead (3mm × 3mm) Plastic DFN
LTC4078EDD#PBF
LTC4078EDD#TRPBF LDJY
10-Lead (3mm × 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/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDCIN = 5V, VUSBIN = 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VDCIN
VUSBIN
IDCIN
IUSBIN
VFLOAT
IBAT
Operating Supply Voltage
Operating Supply Voltage
DCIN Supply Current
USBIN Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
l 4.3
5.5
V
l 4.3
5.5
V
Charge Mode (Note 4), RIDC = 10k
l
350
800
μA
Standby Mode; Charge Terminated
l
70
120
μA
Shutdown Mode (ENABLE = 5V)
40
80
μA
Overvoltage Mode (VDCIN = 10V)
70
140
μA
Charge Mode (Note 5), RIUSB = 10k, VDCIN = 2V l
Standby Mode; Charge Terminated, VDCIN = 2V l
Shutdown (VDCIN = 2V, ENABLE = 0V)
Overvoltage Mode (VUSBIN = 10V)
VDCIN > VUSBIN
350
800
μA
70
120
μA
40
80
μA
70
140
μA
23
40
μA
IBAT = 1mA
IBAT = 1mA, 0°C < TA < 85°C
4.185 4.2 4.215
V
4.165 4.2 4.235
V
RIDC = 1.25k, Constant-Current Mode
RIUSB = 2.1k, Constant-Current Mode
RIDC = 10k or RIUSB = 10k
Standby Mode, Charge Terminated
Shutdown Mode (Charger Disabled)
Sleep Mode (VDCIN = 0V, VUSBIN = 0V)
l 770
800
830
mA
l 455
476
495
mA
l 93
100
107
mA
–7.5 –12
μA
–7.5 –12
μA
–7.5 –12
μA
4078xfb
2
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