參數(shù)資料
型號(hào): KA7808E
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 8 V FIXED POSITIVE REGULATOR, SFM3
封裝: TO-220, 3 PIN
文件頁(yè)數(shù): 20/26頁(yè)
文件大小: 254K
代理商: KA7808E
KA78XXE/KA78XXAE
20
Figure 9. Constant Current Regulator
Notes
:
1. To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the Output
voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple
voltage.
2. C
I
is required if regulator is located an appreciable distance from power Supply filter.
3. C
O
improves stability and transient response.
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
Figure 10. Circuit for Increasing Output Voltage
I
RI
5 I
Q
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
Figure 11. Adjustable Output Regulator (7 to 30V)
0.1
μ
F
C
O
C
I
0.33
μ
F
Output
Input
KA78XXE
1
3
2
Vxx
R1
R
L
I
Q
I
O
I
O
= R
1
+I
Q
Vxx
0.1
μ
F
C
O
C
I
0.33
μ
F
Output
Input
KA78XXE
1
3
2
Vxx
R1
R2
I
Q
I
RI
5IQ
KA741
-
+
2
3
6
4
2
3
1
0.33
μ
F
C
I
Input
Output
0.1
μ
F
C
O
KA7805E
10K
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA7808ER 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator
KA7808ERTM 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 3-Terminal 1A Positive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
KA7808ETSTU 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 1A 4% Reg Short Leads RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
KA7808ETU 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 3-Terminal 1A Positive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
KA7808R 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 1A Positive Voltage Regulator