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參數(shù)資料
| 型號： | LTC4225IGN-1#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 346K |
| 描述： | IC CONTROLLER HOT SWAP 24-SSOP |
| 標準包裝： | 55 |
| 類型： | 熱交換控制器 |
| 應用： | 通用 |
| 內部開關： | 無 |
| 電流限制： | 可調 |
| 電源電壓： | 2.9 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 24-SSOP |
| 包裝： | 管件 |
LTC4225-1/LTC4225-2
6
422512f
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癈, V
IN
= 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 (C
ISS
) 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. During fast turn-on, a 1.5A pull-up charges DGATE from
CPO. During fast turn-off, a 1.5A pull-down discharges
DGATE to IN.
EN1, EN2: Enable Input. Ground this pin to enable Hot
Swap control. If this pin is pulled high, the MOSFET is not
allowed to turn on. A 10礎 current source pulls this pin
up to a diode below INTV
CC
. 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): The exposed pad may be
left open or connected to device ground.
FAULT1, FAULT2: Fault Status Output. Open-drain output
that is normally pulled high by a 10礎 current source to a
diode below INTV
CC
. It may be pulled above INTV
CC
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.
HGATE1, HGATE2: Hot Swap MOSFET Gate Drive Output.
Connect this pin to the gate of the external N-channel
MOSFET for Hot Swap control. An internal 10礎 current
source charges the MOSFET gate. An internal clamp limits
the gate voltage to 12V above and a diode below OUT .
During turn-off, a 300礎 pull-down discharges HGATE to
ground. During an output short or INTV
CC
undervoltage
lockout, a fast 200mA pull-down discharges HGATE to OUT .
IN1, IN2: Positive Supply Input and MOSFET Gate Drive
Return. The 5V INTV
CC
supply is generated from IN1 and
IN2 via an internal diode-OR. The voltage sensed at this
pin is used to control DGATE for forward voltage regulation
and reverse turn-off. It also senses the positive side of
the current sense resistor. The gate fast pull-down current
returns through this pin when DGATE is discharged.
TEMPERATURE (癈)
50
9.0
9.5
10.0
10.5
11.0
25
0
25
50
422512 G10
75 100
TEMPERATURE (癈)
50
97
98
99
100
101
103
25
0
25
50
422512 G11
75 100
102
CURRENT (mA)
0
0.4
0.6
4
422512 G12
0.2
0
1
2
3
5
0.8
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相關代理商/技術參數(shù) |
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|---|---|
| LTC4225IGN-2#PBF | 功能描述:IC CONTROLLER HOT SWAP 24-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4225IGN-2#TRPBF | 功能描述:IC CTLR HOT SWAP DUAL 24-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4225IUFD-1#PBF | 功能描述:IC CONTROLLER HOT SWAP 24-QFN 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 |
| LTC4225IUFD-1#TRPBF | 功能描述:IC CTLR HOT SWAP DUAL 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4225IUFD-2#PBF | 功能描述:IC CONTROLLER HOT SWAP 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
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