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參數(shù)資料
| 型號(hào)： | LM317L |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3-Terminal adjustable regulator |
| 中文描述： | 三端可調(diào)穩(wěn)壓器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 184K |
| 代理商： | LM317L |
LM317L
4
MOTOROLA ANALOG IC DEVICE DATA
* Pulse Testing Required:
1% Duty Cycle is suggested.
Load Regulation (mV) = VO (min Load) –VO (max Load)
VO (min Load) – VO (max Load)
Load Regulation (% VO) =
X
100
VO (min Load)
VO (max Load)
LM317L
Cin
0.1
μ
F
Adjust
R2
1%
CO
1.0
μ
F
+
*
RL
(max Load)
RL
(min Load)
Vout
R1
240
1%
Vin*
Vin
IAdj
IL
Figure 2. Load Regulation and
IAdj
/
Load Test Circuit
VO (min Load)
Pulse Testing Required:
1% Duty Cycle is suggested.
LM317L
Vin
Vout
Adjust
R1
240
1%
+
1
μ
F
CO
RL
Cin
R2
1%
To Calculate R2:
Vout = ISET R2 + 1.250 V
Assume ISET = 5.25 mA
IL
IAdj
ISET
Vref
VO
VI
0.1
μ
F
Figure 3. Standard Test Circuit
LM317L
Vin
Vout
Vout = 1.25 V
RL
Cin
0.1
μ
F
Adjust
R1
240
1%
D1 *
1N4002
CO
+
1
μ
F
14.30V
4.30V
R2
1.65K
1%
**
10
μ
F
+
* D1 Discharges CAdj if Output is Shorted to Ground.
f = 120 Hz
VO
**CAdj provides an AC ground to the adjust pin.
Figure 4. Ripple Rejection Test Circuit
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| LM317MDT | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM317L/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Three-Terminal Adjustable Output Voltage Regulator |
| LM317L_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA Adjustable Output, Positive Voltage Regulator |
| LM317L_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3-Terminal Adjustable Regulator |
| LM317L_09 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:ADJUSTABLE VOLTAGE REGULATOR (POSITIVE) |
| LM317L3 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Three Terminal Adjustable Output Positive Voltage Regulators |
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