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參數資料
型號: FAN5240
廠商: Fairchild Semiconductor Corporation
英文描述: Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM
中文描述: 多相PWM控制器的AMD移動Athlon和Duron商標商標
文件頁數: 3/19頁
文件大小: 447K
代理商: FAN5240
PRODUCT SPECIFICATION
FAN5240
REV. 1.1.7 8/29/02
3
Pin Configuration
Pin Definitions
Pin
Number
Pin
Name
Pin Function Description
1
27
2
26
3
25
4
24
5
23
6
22
LDRV2
LDRV1
PGND2
PGND1
BOOT2
BOOT1
HDRV2
HDRV1
SW2
SW1
ISNS2
ISNS1
VID4 -
VID0
FPWM
Low-Side Drive.
The low-side (lower) MOSFET driver output.
Power Ground.
The return for the low-side MOSFET driver.
BOOT.
The positive supply for the upper MOSFET driver. Connect as shown in Figure 1.
High-Side Drive.
The high-side (upper) MOSFET driver output.
Switching node.
The return for the high-side MOSFET driver.
Current Sense input.
sense resistor for current feedback.
Voltage Identification Code.
codes set as defined in Table 2. These inputs have 1
Forced PWM mode.
When logic high, inhibits the chip from entering hysteretic operating
mode. If tied low, hysteretic mode will be allowed.
Current Limit.
A resistor from this pin to GND sets the current limit.
ENABLE.
This pin enables IC operation when either left open, or pulled up to VCC.
Toggling EN will also reset the chip after a latched fault condition.
Analog Ground.
This is the signal ground reference for the IC. All voltage levels are
measured with respect to this pin.
Power Good / Over-Current Delay.
A capacitor to GND on this pin delays the PGOOD
from going high as well delaying the over-current shutdown.
VCORE Output Sense.
Differential sensing of the output voltage. Used for regulation as
well as PGOOD, under-voltage and over-voltage protection and monitoring. A resistor in
series with this VCORE+ sets the output voltage droop.
Power Good Flag.
An open-drain output that will pull LOW when the core output below
825mV. PGOOD delays its low to high transition for a time determined by CDELAY when
VCORE rises above 875mV.
Monitors the voltage drop across the lower MOSFET or external
7 - 11
Input to VID DAC. Sets the output voltage according to the
μ
A internal pull-up.
12
13
14
ILIM
EN
15
AGND
16
DELAY
18
17
VCORE+
VCORE
19
PGOOD
LDRV2
PGND2
BOOT2
HDRV2
SW2
ISNS2
VID4
VID3
VID2
VID1
VID0
FPWM
ILIM
EN
FAN5240
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
LDRV1
PGND1
BOOT1
HDRV1
SW1
ISNS1
VIN
SS
PGOOD
VCORE+
VCORED
DELAY
AGND
QSOP-28 or TSSOP-28
θ
JA
= 90
°
C/W
相關PDF資料
PDF描述
FAN5240MTC Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM
FAN5240MTCX Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM
FAN5240QSC Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM
FAN5240QSCX Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM
FAN5250 Mobile Processor Core-Voltage Regulator
相關代理商/技術參數
參數描述
FAN5240_06 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Multi-Phase PWM Controller for AMD Mobile Athlon and Duron
FAN5240_ADC3116B WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN5240MTC 功能描述:開關變換器、穩壓器與控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
FAN5240MTC_Q 功能描述:開關變換器、穩壓器與控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
FAN5240MTCX 功能描述:開關變換器、穩壓器與控制器 PWM Controller Two Phase RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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