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參數資料
| 型號： | FAN5093 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Two Phase Interleaved Synchronous Buck Converter for VRM 9.x Applications |
| 中文描述： | 兩相交錯同步降壓轉換器的電源模組采用9.x中的應用 |
| 文件頁數： | 2/17頁 |
| 文件大小： | 578K |
| 代理商： | FAN5093 |
FAN5093
PRODUCT SPECIFICATION
2
REV. 1.1.0 3/27/03
Pin Assignments
Pin Definitions
Pin Number
1-5
Pin Name
VID0-4
Pin Function Description
Voltage Identification Code Inputs.
program the output voltage over the ranges specified in Table 1. Internally Pulled-
Up.
5V Rail.
Bypass this pin with a 0.1
μ
F ceramic capacitor to AGND.
Analog Ground.
Return path for low power analog circuitry. This pin should be
connected to a low impedance system ground plane to minimize ground loops.
Low Side FET Driver for B.
Connect this pin to the gate of an N-channel
MOSFET for synchronous operation. The trace from this pin to the MOSFET gate
should optimally be <0.5
"
.
Power Ground B.
Return pin for high currents flowing in low-side MOSFET.
Connect directly to low-side MOSFET source.
High side driver source and low side driver drain switching node B.
drive return for high side MOSFET, and negative input for low-side MOSFET
current sense.
High Side FET Driver B.
Connect this pin to the gate of an N-channel MOSFET.
The trace from this pin to the MOSFET gate should optimally be <0.5
Bootstrap B.
Input supply for high-side MOSFET.
Bootstrap A.
Input supply for high-side MOSFET.
High Side FET Driver A.
Connect this pin to the gate of an N-channel MOSFET.
The trace from this pin to the MOSFET gate should optimally be <0.5
High side driver source and low side driver drain switching node A.
drive return for high side MOSFET, and negative input for low-side MOSFET
current sense.
Power Ground A.
Return pin for high currents flowing in low-side MOSFET.
Connect directly to low-side MOSFET source.
Low Side FET Driver for A.
Connect this pin to the gate of an N-channel
MOSFET for synchronous operation. The trace from this pin to the MOSFET gate
should optimally be <0.5
"
.
VCC.
Internal IC supply. Connect to system 12V supply, and decouple with a 10
resistor and 1
μ
F ceramic capacitor.
Power Good Flag.
An open collector output that will be logic LOW if the output
voltage is less than 350mV less than the nominal output voltage setpoint. Power
Good is prevented from going low until the output voltage is out of spec for
500μsec.
Open collector/TTL compatible inputs will
6
7
BYPASS
AGND
8
LDRVB
9
PGNDB
10
SWB
Gate
11
HDRVB
"
.
12
13
14
BOOTB
BOOTA
HDRVA
"
.
15
SWA
Gate
16
PGNDA
17
LDRVA
18
VCC
19
PWRGD
FAN5093
VID0
VID1
VID2
VID3
VID4
AGND
LDRVB
PGNDB
SWB
HDRVB
BOOTB
BYPASS
VFB
RT
ENABLE/SS
DROOP/E*
ILIM
PWRGD
VCC
LDRVA
PGNDA
SWA
HDRVA
BOOTA
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5093MTC | 功能描述:直流/直流開關轉換器 Sync Buck Converter 2Phs Interleaved RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| FAN5093MTC_Q | 功能描述:DC/DC 開關控制器 Sync Buck Converter 2Phs Interleaved RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5093MTCX | 功能描述:DC/DC 開關控制器 Sync Buck Converter 2Phs Interleaved RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5094 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Multi-Phase Interleaved Buck Converter |
| FAN5094MTC | 功能描述:直流/直流開關轉換器 Buck Converter Hi Cur Sys Voltage RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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