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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 33/36頁 |
| 文件大?。?/td> | 317K |
| 代理商： | LTC3586EUFE#PBF |
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LTC3586/LTC3586-1
6
3586fa
Ideal Diode V-I Characteristics
Ideal Diode Resistance
vs Battery Voltage
Output Voltage vs Output Current
(Battery Charger Disabled)
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
RDS(ON)P4
PMOS RDS(ON)
Synchronous Switch
0.25
Ω
RDS(ON)N4
NMOS RDS(ON)
Main Switch
0.17
Ω
ILEAK(P)4
PMOS Switch Leakage
Synchronous Switch
–1
1
μA
ILEAK(N)4
NMOS Switch Leakage
Main Switch
–1
1
μA
RVOUT4
VOUT4 Pull-Down in Shutdown
10
kΩ
DBOOST(MAX)
Maximum Boost Duty Cycle
91
94
%
tSS4
Soft-Start Time
0.375
ms
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3586E/LTC3586E-1 are guaranteed to meet performance
specications from 0°C to 85°C. Specications over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3: The LTC3586E/LTC3586E-1 include overtemperature protection
that is intended to protect the device during momentary overload
conditions. Junction temperature will exceed 125°C when overtemperature
protection is active. Continuous operation above the specied maximum
operating junction temperature may impair device reliability.
Note 4: Total input current is the sum of quiescent current, IVBUSQ, and
measured current given by:
VCLPROG/RCLPROG (hCLPROG +1)
Note 5: The current limit features of this part are intended to protect the
IC from short term or intermittent fault conditions. Continuous operation
above the maximum specied pin current rating may result in device
degradation or failure.
Note 6: hC/10 is expressed as a fraction of measured full charge current
with indicated PROG resistor.
Note 7: FBx above regulation such that regulator is in sleep. Specication
does not include resistive divider current reected back to VINX.
Note 8: Guaranteed by design.
FORWARD VOLTAGE (V)
0
CURRENT
(A)
0.6
0.8
1.0
0.16
3586 G01
0.4
0.2
0
0.04
0.08
0.12
0.20
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
INTERNAL IDEAL
DIODE ONLY
VBUS = 0V
VBUS = 5V
BATTERY VOLTAGE (V)
2.7
RESIST
ANCE
(Ω) 0.15
0.20
0.25
3.9
3586 G02
0.10
0.05
0
3.0
3.3
3.6
4.2
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
INTERNAL IDEAL DIODE
OUTPUT CURRENT (mA)
0
OUTPUT
VOL
TAGE
(V)
4.00
4.25
4.50
800
3586 G03
3.75
3.50
3.25
200
400
600
1000
BAT = 4V
BAT = 3.4V
VBUS = 5V
5x MODE
TYPICAL PERFORMANCE CHARACTERISTIC (T
A = 25°C unless otherwise noted)
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