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參數資料
| 型號： | LTC4227CGN-1#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PDSO16 |
| 封裝： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16 |
| 文件頁數： | 17/20頁 |
| 文件大?。?/td> | 307K |
| 代理商： | LTC4227CGN-1#PBF |
LTC4227-1/LTC4227-2
6
422712f
HGATE Pull-Up Current
vs Temperature
TMR Pull-Up Current
vs Temperature
PWRGD, FAULT Output Low
Voltage vs Current
Typical perForMance characTerisTics T
A = 25°C, VIN = 12V, unless otherwise noted.
pin FuncTions
CPO1, CPO2: Charge Pump Output. Connect a capacitor
from CPO1 or CPO2 to the corresponding IN1 or IN2 pin.
The value of this capacitor is approximately 10
× the gate
capacitance (CISS) of the external MOSFET for ideal diode
control. The charge stored on this capacitor is used to pull
up the gate during a fast turn-on. Leave this pin open if
fast turn-on is not needed.
DGATE1, DGATE2: Ideal Diode MOSFET Gate Drive Out-
put. Connect this pin to the gate of an external N-channel
MOSFET for ideal diode control. An internal clamp limits
the gate voltage to 12V above and a diode voltage below
IN.Duringfastturn-on,a1.5Apull-upchargesDGATEfrom
CPO. During fast turn-off, a 1.5A pull-down discharges
DGATE to IN.
D2ON: On Control Input. A falling edge turns on the
external ideal diode MOSFET in the IN2 supply path and
a rising edge turns it off. Connect this pin to an external
resistive divider from IN1 to make IN1 the higher priority
input supply when IN1 and IN2 are equal.
EN(UFDPackage):EnableInput.Groundthispintoenable
Hot Swap control. If this pin is pulled high, the MOSFET
is not allowed to turn on. A 10A current source pulls this
pin up to a diode below INTVCC. Upon EN going low when
ON is high, an internal timer provides a 100ms start-up
delay for debounce, after which the fault is cleared.
Exposed Pad (UFD Package): Exposed pad may be left
open or connected to device ground.
FAULT (UFD Package): Fault Status Output. Open-drain
output that is normally pulled high by a 10A current
source to a diode below INTVCC. It may be pulled above
INTVCC using an external pull-up. It pulls low when the
circuit breaker is tripped after an overcurrent fault timeout.
Leave open if unused.
GND: Device Ground.
TEMPERATURE (°C)
–50
–9.0
HGATE
PULL-UP
CURRENT
(A)
–9.5
–10.0
–10.5
–11.0
–25
0
25
50
422712 G10
75
100
TEMPERATURE (°C)
–50
–97
TMR
PULL-UP
CURRENT
(A)
–98
–99
–100
–101
–103
–25
0
25
50
422712 G11
75
100
–102
CURRENT (mA)
0
OUTPUT
LOW
VOL
TAGE
(V)
0.4
0.6
4
422712 G12
0.2
0
1
2
3
5
0.8
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相關代理商/技術參數 |
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| LTC4227CGN-2#PBF | 功能描述:IC CTLR HOT SWAP DUAL 16-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標準包裝:50 系列:- 類型:熱交換控制器 應用:-48V 遠程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內部開關:無 電流限制:可調 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
| LTC4227CGN-2#TRPBF | 功能描述:IC CTRLR HOT SWAP 16-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| LTC4227CUFD-1#PBF | 功能描述:IC CTRLR HOT SWAP 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| LTC4227CUFD-1#TRPBF | 功能描述:IC CTRLR HOT SWAP 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| LTC4227CUFD-2#PBF | 功能描述:IC CTRLR HOT SWAP 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
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