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參數(shù)資料
| 型號(hào)： | HIP1011BCB-T |
| 廠(chǎng)商： | HARRIS SEMICONDUCTOR |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | PCI Hot Plug Controller |
| 中文描述： | POWER SUPPLY SUPPORT CKT, PDSO16 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大小： | 93K |
| 代理商： | HIP1011BCB-T |
3
Pin Descriptions
PIN
DESIGNATOR
FUNCTION
DESCRIPTION
1
M12VIN
-12V Input
-12V Supply Input. Also provides power to the -12V overcurrent circuitry.
2
FLTN
Fault Output
5V CMOS Fault Output; LOW = FAULT. A capacitor may be placed from this pin to ground to
provide delay time to fault notification and power supply latch-off.
3
3V5VG
3.3V/5V Gate
Output
Drive the Gates of the 3.3V and 5V MOSFETs. Connect a capacitor to ground to set the start-
up ramp. During turn on, this capacitor is charged with a 25
μ
A current source.
4
V
CC
12V V
CC
Input
Connect to unswitched 12V supply.
5
12V
IN
12V Input
Switched 12V supply input.
6
3VISEN
3.3V Current Sense
Connect to the load side of the current sense resistor in series with source of external 3.3V
MOSFET. This pin tied to GND when FET switch outputs disabled.
7
3VS
3.3V Source
Connect to Source of 3.3V MOSFET. This connection along with pin 6 (3VISEN) senses the
voltage drop across the sense resistor.
8
OCSET
Overcurrent Set
Connect a resistor from this pin to ground to set the overcurrent trip point of all four switches. All
four over current trips can be programmed by changing the value of this resistor. The default
(6.04k
,
1%) is compatible with the maximum allowable currents as outlined in the PCI
specification.
9
PWRON
Power On Control
Controls all Four Switches. High to Turn Switches ON, Low to turn them OFF.
10
5VS
5V Source
Connect to Source of 5V MOSFET Switch. This connection along with pin 11 (5VISEN) senses
the voltage drop across the sense resistor.
11
5VISEN
5V Current Sense
Connecttotheloadsideofthecurrentsenseresistorinserieswithsourceofexternal5VMOSFET.
This pin tied to GND when FET switch outputs disabled.
12
12VO
Switched 12V
Output
Switched 12V output. This pin tied to GND when FET switch outputs disabled.
13
GND
Ground
Connect to common of power supplies.
14
12VG
Gate of Internal
PMOS
Connect a capacitor between 12VG and 12VO to set the start up ramp for the +12V supply.
This capacitor is charged with a 25
μ
A current source during start-up.
15
M12VG
Gate of Internal
NMOS
Connect a capacitor between M12VG and M12VO to set the start-up ramp for the M12V
supply. This capacitor is charged with 25
μ
A during start-up.
16
M12VO
Switched -12V
Output
Switched 12V Output. This pin tied to GND when FET switch outputs disabled.
HIP1011B
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| HIP1011CB-TS2568 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
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