參數(shù)資料
型號(hào): LTC4085EDE-3#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PDSO14
封裝: 4 X 3 MM, PLASTIC, MO-229, DFN-14
文件頁(yè)數(shù): 5/24頁(yè)
文件大?。?/td> 275K
代理商: LTC4085EDE-3#TRPBF
LTC4085-3
13
40853f
WALL PRESENT
SUSPEND
VIN > 3.8V
VIN > (VOUT + 100mV)
VIN > (VBAT + 100mV)
CURRENT LIMIT ENABLED
YX
X
N
XY
X
N
XX
N
X
N
XX
X
N
X
N
XX
X
N
NN
Y
Table 1. Operating Modes—PowerPath States
Current Limited Input Power (IN to OUT)
Battery Charger (OUT to BAT)
WALL PRESENT
SUSPEND
VOUT > 4.35V
VOUT > (VBAT + 100mV)
CHARGER ENABLED
XX
N
X
N
XXX
N
X
YYY
Ideal Diode (BAT to OUT)
WALL PRESENT
SUSPEND
VIN
VBAT > VOUT
VBAT > 2.8V
DIODE ENABLED
XXXX
N
X
XNXN
XXXYYY
Operating Modes—Pin Currents vs Programmed Currents (Powered from IN)
PROGRAMMING
OUTPUT CURRENT
BATTERY CURRENT
INPUT CURRENT
ICL = ICHG
IOUT < ICL
IOUT = ICL = ICHG
IOUT > ICL
IBAT = ICL – IOUT
IBAT = 0
IBAT = ICL – IOUT
IIN = IQ + ICL
ICL > ICHG
IOUT < (ICL – ICHG)
IOUT > (ICL – ICHG)
IOUT = ICL
IOUT > ICL
IBAT = ICHG
IBAT = ICL – IOUT
IBAT = 0
IBAT = ICL – IOUT
IIN = IQ + ICHG + IOUT
IIN = IQ + ICL
ICL < ICHG
IOUT < ICL
IOUT > ICL
IBAT = ICL – IOUT
IIN = IQ + ICL
OPERATION
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