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參數(shù)資料
| 型號： | LML337HVH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-Terminal Adjustable Negative Regulators (High Voltage) |
| 中文描述： | 1.2 V-47 V ADJUSTABLE NEGATIVE REGULATOR, MBCY3 |
| 封裝： | METAL CAN, TO-39, 3 PIN |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 340K |
| 代理商： | LML337HVH |
LM137HV/LM337HV
3-Terminal Adjustable Negative Regulators
(High Voltage)
General Description
The LM137HV/LM337HV are adjustable 3-terminal negative
voltage regulators capable of supplying in excess of 1.5A
over an output voltage range of 1.2V to 47V. These regu-
lators are exceptionally easy to apply, requiring only 2 exter-
nal resistors to set the output voltage and 1 output capacitor
for frequency compensation. The circuit design has been op-
timized for excellent regulation and low thermal transients.
Further, the LM137HV series features internal current limit-
ing, thermal shutdown and safe-area compensation, making
them virtually blowout-proof against overloads.
The LM137HV/LM337HV serve a wide variety of applica-
tions
including
local
programmable-output voltage regulation or precision current
regulation. The LM137HV/LM337HV are ideal complements
to the LM117HV/LM317HV adjustable positive regulators.
on-card
regulation,
Features
n
Output voltage adjustable from 1.2V to 47V
n
1.5A output current guaranteed, 55C to +150C
n
Line regulation typically 0.01%/V
n
Load regulation typically 0.3%
n
Excellent thermal regulation, 0.002%/W
n
77 dB ripple rejection
n
Excellent rejection of thermal transients
n
50 ppm/C temperature coefficient
n
Temperature-independent current limit
n
Internal thermal overload protection
n
P
+
Product Enhancement tested
n
Standard 3-lead transistor package
n
Output short circuit protected
Typical Applications
Adjustable Negative Voltage Regulator
DS009066-1
DS009066-25
C1 = 1 μF solid tantalum or 10 μF aluminum electrolytic required for stability. Output capacitors in the range of 1 μF to 1000 μF of aluminum or tantalum
*
C2 = 1 μF solid tantalum is required only if regulator is more than 4" from power-supply filter capacitor.
May 1999
L
1999 National Semiconductor Corporation
DS009066
www.national.com
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