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參數(shù)資料
| 型號： | LTC4260IUH |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Positive High Voltage Hot Swap Controller with I2C Compatible Monitoring |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封裝： | 5 X 5 MM, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LTC4260IUH |
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LTC4260
7
4260f
PIU
ADIN:
ADC Input. A voltage between 0V and 2.56V applied
to this pin can be measured by the onboard ADC. Tie to
ground if unused.
ADR0 to ADR2:
Serial Bus Address Inputs. Tying these
pins to ground, open or INTV
CC
configures one of 27 pos-
sible addresses. See Table 1 in Applications Information.
ALERT:
Fault Alert Output. Open-drain logic output that
can be pulled to ground when a fault occurs to alert the
host controller. A fault alert is enabled by the ALERT
register. This device is compatible with SMBus alert
protocol. See Applications Information. Tie to ground if
unused.
BD_PRST:
Board Present Input. Ground this pin to enable
the N-channel FET to turn on after 100ms debounce delay.
When this pin is high, the FET is off. An internal 10
μ
A
current source pulls up this pin. Transitions on this pin will
be recorded in the FAULT register. A high-to-low transition
activates the logic to read the state of the ON pin and clear
Faults. See Applications Information.
Exposed Pad (Pin 33, UH Package):
Exposed Pad may be
left open or connected to device ground.
FB:
Foldback and Power Good Input. A resistive divider
from the output voltage is tied to this pin. When the voltage
at this pin drops below 3.41V, the output power is consid-
ered bad and the current limit is reduced. The power bad
condition can be indicated with the GPIO pin and a power
bad fault can be logged in this condition. See Applications
Information.
GATE:
Gate Drive for External N-Channel FET. An internal
18
μ
A current source charges the gate of the external
N-channel MOSFET. A resistor and capacitor network
from this pin to ground sets the turn-on rate and compen-
sates the active current limit. During turn-off there is a
1mA pull-down current. During a short circuit or under-
voltage lockout (V
DD
or INTV
CC
), a 600mA pull-down
current source between GATE and SOURCE is activated.
GND:
Device Ground.
TYPICAL PERFOR U
T
A
= 25
°
C, V
DD
= 48V unless otherwise noted.
ADC INL vs Code (ADIN Pin)
CODE
0
A
0
0.25
256
4260 G16
–0.25
–0.50
64
128
192
0.50
ADC DNL vs Code (ADIN Pin)
CODE
0
A
0
0.25
256
4260 G17
–0.25
–0.50
64
128
192
0.50
ADC Full-Scale Error
vs Temperature (ADIN Pin)
TEMPERATURE (
°
C)
–50
–2
A
–1
0
1
2
–25
0
25
50
3708 G15
75
100
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4260IUH#PBF | 功能描述:IC HOT SWAP CNTRL I2C 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):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(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4260IUH#TRPBF | 功能描述:IC HOT SWAP CNTRL I2C 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):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(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4261 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring |
| LTC4261CGN | 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):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(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4261CGN#PBF | 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):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(yīng)商設(shè)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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