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参数资料
| 型号： | LM137KPQMLV |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 可调负电压单路输出标准稳压器 |
| 英文描述： | 3-Terminal Adjustable Negative Regulators |
| 中文描述： | 1.2 V-37 V ADJUSTABLE NEGATIVE REGULATOR, MBCY2 |
| 封装： | METAL CAN, TO-3, 3 PIN |
| 文件页数： | 7/12页 |
| 文件大小： | 836K |
| 代理商： | LM137KPQMLV |
Thermal Regulation (Continued)
In Figure 1, a typical LM137’s output drifts only 3 mV (or
0.03% of V
OUT = 10V) when a 10W pulse is applied for
10 ms. This performance is thus well inside the specification
limit of 0.02%/W x 10W = 0.2% max. When the 10W pulse is
ended, the thermal regulation again showsa3mV step at
the LM137 chip cools off. Note that the load regulation error
of about 8 mV (0.08%) is additional to the thermal regulation
error. In Figure 2, when the 10W pulse is applied for 100 ms,
the output drifts only slightly beyond the drift in the first
10 ms, and the thermal error stays well within 0.1% (10 mV).
Connection Diagrams
TO-3
Metal Can Package
TO-39
Metal Can Package
00906705
Case is Input
Bottom View
Order Number LM137K/883
LM137KPQML and LM137KPQMLV(Note 5)
See NS Package Number K02C
Order Number LM337K STEEL
See NS Package Number K02A
00906706
Case Is Input
Note 5: See STD Mil DWG 5962P99517 for Radiation Tolerant Devices
Bottom View
Order Number LM137H, LM137H/883 or LM337H
LM137HPQML and LM137HPQMLV(Note 5)
See NS Package Number H03A
00906704
LM137, VOUT = 10V
VIN VOUT = 40V
IL =0A → 0.25A → 0A
Horizontal sensitivity, 20 ms/div
FIGURE 2.
LM137/LM337
www.national.com
4
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相关代理商/技术参数 |
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