參數(shù)資料
型號(hào)： LTC3586EUFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 3 A BATTERY CHARGE CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PQCC38
封裝： 4 X 6 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-38
文件頁(yè)數(shù)： 32/36頁(yè)
文件大小： 317K
代理商： LTC3586EUFE#PBF
LTC3586/LTC3586-1
5
3586fa
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, VIN1 = VIN2 = VIN3 = VIN4 = VOUT3 = 3.8V,
VOUT4 = 5V, RPROG = 1k, RCLPROG = 3.01k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switching Regulators 1 and 2 (Buck)
IVIN1,2
Pulse-Skip Mode Input Current
Burst Mode
Input Current
Shutdown Input Current
IVOUT1,2 = 0μA, (Note 7)
225
35
60
1
μA
ILIM1,2
PMOS Switch Current Limit
Pulse-Skip/Burst Mode Operation (Note 5)
600
800
1100
mA
RP1,2
PMOS RDS(ON)
0.6
Ω
RN1,2
NMOS RDS(ON)
0.7
Ω
D1,2
Maximum Duty Cycle
100
%
RSW1,2
SW1,2 Pull-Down in Shutdown
10
kΩ
Switching Regulator 3 (Buck-Boost)
IVIN3
Input Current
PWM Mode, IVOUT3 = 0μA
Burst Mode Operation, IVOUT3 = 0μA
Shutdown
220
13
0
400
20
1
μA
VOUT3(LOW)
Minimum Regulated Output Voltage
For Burst Mode Operation or PWM Mode
2.65
2.75
V
VOUT3(HIGH)
Maximum Regulated Output Voltage
5.5
5.6
V
ILIMF3
Forward Current Limit (Switch A)
PWM Mode (Note 5)
l
2
2.5
3
A
IPEAK3(BURST)
Forward Burst Current Limit (Switch A) Burst Mode Operation
l
200
275
350
mA
IZERO3(BURST)
Reverse Burst Current Limit (Switch D) Burst Mode Operation
l
–30
0
30
mA
IMAX3(BURST)
Maximum Deliverable Output Current in
Burst Mode Operation
2.7V ≤ VIN3 ≤ 5.5V, 2.75V ≤ VOUT3 ≤ 5.5V
(Note 8)
50
mA
RDS(ON)P
PMOS RDS(ON)
Switches A, D
0.22
Ω
RDS(ON)N
NMOS RDS(ON)
Switches B, C
0.17
Ω
ILEAK(P)
PMOS Switch Leakage
Switches A, D
–1
1
μA
ILEAK(N)
NMOS Switch Leakage
Switches B, C
–1
1
μA
RVOUT3
VOUT3 Pull-Down in Shutdown
10
kΩ
DBUCK(MAX)
Maximum Buck Duty Cycle
PWM Mode
l
100
%
DBOOST(MAX)
Maximum Boost Duty Cycle
PWM Mode
75
%
tSS3
Soft-Start Time
0.5
ms
Switching Regulator 4 (Boost)
IVIN4
Input Current
FB4 = 0V, IVOUT4 = 0μA
Shutdown, VOUT4 = 0V
180
1
μA
IVOUT4
Q-Current Drawn from Boost Output
FB4 = 0V
7.5
mA
ILIMF4
NMOS Switch Current Limit
(Note 5)
2000
2800
mA
VOUT4
Output Voltage Adjust Range
5V
VOV4
Overvoltage Shutdown
5.1
5.3
5.5
V
ΔVOV4
Overvoltage Shutdown Hysteresis
0.3
V
Burst Mode is a registered trademark of Linear Technology Corporation.
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