LTC4077EDD(RevA) 查看數據表（PDF） - Linear Technology
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LTC4077EDD Datasheet PDF : 16 Pages
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LTC4077
ABSOLUTE AXI U RATI GS
(Notes 1, 9)
Input Supply Voltage (DCIN, USBIN) ......... –0.3V to 10V
EN, CHRG, PWR, HPWR ............................ –0.3V to 10V
BAT, IDC, IUSB, IUSBL................................. –0.3V to 7V
DCIN Pin Current (Note 6) ..........................................1A
USBIN Pin Current (Note 6) .................................700mA
BAT Pin Current (Note 6) ............................................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
IUSB 2
IUSBL 3
PWR 4
CHRG 5
10 DCIN
9 BAT
11
8 IDC
7 HPWR
6 EN
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 PART NUMBER DD PART MARKING
LTC4077EDD
LBWD
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.
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, HPWR = 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VDCIN
VUSBIN
IDCIN
IUSBIN
VFLOAT
IBAT
VIDC
VIUSB
VIUSBL
IC/IO
Supply Voltage
● 4.3
8
V
Supply Voltage
● 4.3
8
V
DCIN Supply Current
Charge Mode (Note 4), RIDC = 10k
Standby Mode; Charge Terminated
Shutdown Mode (EN = 5V)
●
150
700
µA
●
50
100
µA
20
40
µA
USBIN Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
IDC Pin Regulated Voltage
Charge Mode (Note 5), RIUSB = RIUSBL = 10k,
VDCIN = 0V
●
Standby Mode; Charge Terminated, VDCIN = 0V ●
Shutdown (VDCIN = 0V, EN = 5V)
VDCIN > VUSBIN
150
700
µA
50
100
µA
18
36
µA
10
20
µA
IBAT = 1mA (Note 9)
4.175 4.2 4.225
V
IBAT = 1mA, 0°C < TA < 85°C, 4.3V < VCC < 8V
4.158 4.2 4.242
V
RIDC = 1.25k, Constant-Current Mode
RIUSB = 2.1k, Constant-Current Mode
RIDC = 10k or RIUSB = 10k
RIUSBL = 4k, HPWR = 0
Standby Mode, Charge Terminated
● 760
800
840
mA
● 450
476
500
mA
● 92
100
108
mA
● 44
50
56
mA
–3
–6
µA
Shutdown Mode (Charger Disabled)
–1
–2
µA
Sleep Mode (VDCIN = 0V, VUSBIN = 0V)
±1
±2
µA
Constant-Current Mode
0.95
1
1.05
V
IUSB Pin Regulated Voltage
Constant-Current Mode
0.95
1
1.05
V
IUSBL Pin Regulated Voltage
Constant-Current Mode
0.18
0.2
0.22
V
Charge Current Termination Threshold VDCIN = 5V, RIDC = 1.25k (Note 7)
VUSBIN = 5V, VDCIN = 0V
● 0.09
0.1
0.11 mA/mA
● 0.09
0.1
0.11 mA/mA
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