參數(shù)資料
型號: LM317LZ
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 3-Terminal Adjustable Output Positive Voltage
中文描述: 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PBCY3
封裝: TO-92, 3 PIN
文件頁數(shù): 4/12頁
文件大?。?/td> 184K
代理商: LM317LZ
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
相關(guān)PDF資料
PDF描述
LM317LBD LOW CURRENT THREE.TERMINAL ADJUSTABLE POSITIVE VOLTAGE REGULATOR
LM317LBZ 3-Terminal Adjustable Output Positive Voltage Regulators
LM317LIBP 3-Terminal Adjustable Regulator
LM317LIBPX 3-Terminal Adjustable Regulator
LM317LMX 3-Terminal Adjustable Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM317LZ 制造商:Fairchild Semiconductor Corporation 功能描述:IC ADJ LINEAR REG 1.2V TO 37V TO-92-3 制造商:Texas Instruments 功能描述:V REG ADJ +1.2/37V TO-92-3 317
LM317LZ/HALF 制造商:Texas Instruments 功能描述:V REG ADJ +1.2/37V TO-92-3 317
LM317LZ/J7001252 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LM317LZ/LFT1 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 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
LM317LZ/LFT2 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 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