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參數(shù)資料
| 型號： | FAN5038 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Dual Voltage Controller for DSP Power |
| 中文描述： | 雙電壓控制器的DSP電源 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 84K |
| 代理商： | FAN5038 |
PRODUCT SPECIFICATION
FAN5038
REV. 1.0.2 7/6/00
4
Electrical Characteristics—Switch-Mode Regulator
(VCCA = 5V, VCCL = 12V, T
A
= 25
°
C using circuit of Figure 1, unless otherwise noted)
The
denotes speci
fi
cations which apply over the full ambient operating temperature range.
Notes:
1. When the SWCTRL pin is HIGH or left open, the switch-mode regulator output will be preset at 3.5V using internal precision
resistors. When the SWCTRL pin is LOW, the output voltage may be programmed with external resistors. Please refer to
the Applications Section for output voltage selection information.
2. Setpoint accuracy is the initial output voltage variability under the specified conditions. When SWCTRL is LOW, the matching
of the external resistors will have a major influence on this parameter.
3. Cumulative DC accuracy includes setpoint accuracy, temperature drift, line and load regulation, and output ripple.
4. The on-time pulse width of the oscillator is preset using external capacitor C
curves.
EXT
. See Typical Operating Characteristics
Parameter
Output Voltage, VOSW
Conditions
SWCTRL = HIGH
Set by internal resistors
SWCTRL = LOW
Set by external resistors
I
SW
= 4A
T
A
= 0
°
C
–
70
°
C
VCCA = 4.75 to 5.25V
I
SW
= 4A
I
SW
= 0 to 4A
20MHz BW, I
Min.
Typ.
3.5
Max.
Units
V
1
Output Voltage, VOSW
1
1.5
3.6
V
Setpoint Accuracy
Output Temperature Drift
Line Regulation
2
-1.2
+1.2
%Vo
ppm
%Vo
40
0.10
0.15
Load Regulation
Output Ripple, peak-peak
Cumulative DC Accuracy
Efficiency
Output Driver Current
Short Circuit Threshold
Voltage
On Time Pulse Width
±0.9
15
±55
80
±1.3
%Vo
mV
mV
%
A
mV
SW
= 4A
3
±100
I
Open Loop
SW
= 4A
0.5
70
90
100
4
C
EXT
= 100pF
2
μs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN5038M | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Dual Volt Controller DSP Power RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| FAN5038MX | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Dual Volt Controller DSP Power RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| FAN503MTCX | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5056MV85 | 功能描述:DC/DC 開關(guān)控制器 SOIC-WIDE-24 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| FAN5056MV85X | 功能描述:DC/DC 開關(guān)控制器 SOIC-WIDE-24 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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