參數(shù)資料
型號(hào)： LTC4097EDDB
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
封裝： 3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, DFN-12
文件頁數(shù)： 12/20頁
文件大?。?/td> 219K
代理商： LTC4097EDDB
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, CHRG, 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
A
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
A
VFLOAT
Regulated Output (Float) Voltage
IBAT = 1mA
IBAT = 1mA, 0°C < TA < 85°C
4.179
4.158
4.2
4.221
4.242
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
A
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
ITERMINATE
Charge Current Termination
Threshold
RITERM = 1k
RITERM = 2k
RITERM = 10k
88
42
6
100
50
9.5
112
58
13
mA
ITRIKL
Trickle Charge Current
VBAT < VTRIKL; RIDC = 1k
VBAT < VTRIKL; RIUSB = 2k
85
42
100
50
115
58
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 specied with wider operating temperature ranges.
The ● denotes the specications which apply over the full operating
temperature range, otherwise specications 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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