LTC4075XEDD 查看數據表（PDF） - Linear Technology
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LTC4075XEDD Datasheet PDF : 16 Pages
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LTC4075/LTC4075X
ABSOLUTE AXI U RATI GS
(Note 1)
Input Supply Voltage (DCIN, USBIN) ........... –0.3 to 10V
EN, ⎯C⎯H⎯R⎯G, ⎯P⎯W⎯R, USBPWR.......................... –0.3 to 10V
BAT, IDC, IUSB, ITERM .................................. –0.3 to 7V
DCIN Pin Current (Note 7) ..........................................1A
USBIN Pin Current (Note 7) .................................700mA
BAT Pin Current (Note 7) ............................................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
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
USBIN 1
10 DCIN
IUSB 2
9 BAT
ITERM 3
11
8 IDC
PWR 4
7 USBPWR
CHRG 5
6 ENABLE
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 40°C/W (NOTE 3)
EXPOSED PAD IS GND (PIN 11)
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LTC4075EDD
LTC4075XEDD
DD PART
MARKING
LBSC
LBRK
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● 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
Supply Voltage
Supply Voltage
DCIN Supply Current
Charge Mode (Note 4), RIDC = 10k
Standby Mode; Charge Terminated
Shutdown Mode (ENABLE = 5V)
● 4.3
8
V
● 4.3
8
V
●
250
800
µA
●
50
100
µA
20
40
µA
IUSBIN
USBIN Supply Current
Charge Mode (Note 5), RIUSB = 10k, VDCIN = 0V ●
Standby Mode; Charge Terminated, VDCIN = 0V ●
Shutdown (VDCIN = 0V, ENABLE = 0V)
VDCIN > VUSBIN
250
800
µA
50
100
µA
18
36
µA
10
20
µA
VFLOAT
Regulated Output (Float) Voltage
IBAT = 1mA
IBAT = 1mA, 0°C < TA < 85°C
4.175 4.2 4.225
V
4.158 4.2 4.242
V
IBAT
BAT Pin Current
RIDC = 1.25k, Constant-Current Mode
RIUSB = 2.1k, Constant-Current Mode
RIDC = 10k or RIUSB = 10k
Standby Mode, Charge Terminated
● 760
800
840
mA
● 450
476
500
mA
● 93
100
107
mA
–3
–6
µA
Shutdown Mode (Charger Disabled)
–1
–2
µA
Sleep Mode (VDCIN = 0V, VUSBIN = 0V)
±1
±2
µA
VIDC
IDC Pin Regulated Voltage
Constant-Current Mode
0.95
1
1.05
V
VIUSB
IUSB Pin Regulated Voltage
Constant-Current Mode
0.95
1
1.05
V
ITERMINATE
Charge Current Termination Threshold
RITERM = 1k
RITERM = 2k
RITERM = 10k
RITERM = 20k
● 90
100
110
mA
● 45
50
55
mA
● 8.5
10
11.5
mA
●4
5
6
mA
ITRIKL
Trickle Charge Current (Note 6)
VBAT < VTRIKL; RIDC = 1.25k
VBAT < VTRIKL; RIUSB = 2.1k
60
80
100
mA
30
47.5
65
mA
VTRIKL
Trickle Charge Threshold (Note 6)
VBAT Rising
Hysteresis
2.8
2.9
3
V
100
mV
VUVDC
DCIN Undervoltage Lockout Voltage
From Low to High
Hysteresis
4
4.15
4.3
V
200
mV
VUVUSB
USBIN Undervoltage Lockout Voltage
From Low to High
Hysteresis
3.8
3.95
4.1
V
200
mV
4075Xf
2
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