LM117QML_TI 军用级 1.5A 可调节输出线性稳压器/LDO

LM117QML的基本参数

制造厂商：TI
产品类别：电源管理
技术类目：线性和低压降 (LDO) 稳压器
功能描述：军用级 1.5A 可调节输出线性稳压器/LDO
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LM117QML的产品详情：

The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying either 0.5A or 1.5A over a 1.2V to 37V output range. They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators.

In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in IC's. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.

Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.

Besides replacing fixed regulators, the LM117 is useful in a wide variety of other applications. Since the regulator is "floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, i.e., avoid short-circuiting the output.

Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output, the LM117 can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2V where most loads draw little current.

For the negative complement, see LM137 series data sheet.

LM117QML的优势和特性：

Available with Radiation Ensured
- High Dose Rate 100 krad(Si)
- ELDRS Free 100 krad(Si)
Specified max. 0.3% Load Regulation (LM117)
Specified 0.5A or 1.5A Output Current
Adjustable Output Down to 1.2V
Current Limit Constant with Temperature
80 dB Ripple Rejection
Output is Short-Circuit Protected

All trademarks are the property of their respective owners.

LM117QML的参数（英文）：

Output options
Adjustable Output
Iout (Max) (A)
1.5
Vin (Max) (V)
40
Vin (Min) (V)
4.2
Vout (Max) (V)
37
Vout (Min) (V)
1.25
Fixed output options (V)
0
Noise (uVrms)
75
Iq (Typ) (mA)
5
Thermal resistance θJA (°C/W)
39
Rating
Military
Load capacitance (Min) (μF)
0
Regulated outputs (#)
1
Features
—
Accuracy (%)
4
PSRR @ 100 KHz (dB)
40
Dropout voltage (Vdo) (Typ) (mV)
1200
Operating temperature range (C)
-55 to 125

LM117QML具体的完整产品型号参数及价格（美元）：

LM117QML的完整型号有：LM117E/883、LM117GW/883、LM117H MD8、LM117H/883、LM117K/883、LM117KG MD8，以下是这些产品的关键参数及官网采购报价：

LM117E/883，工作温度：-55 to 125，封装：LCCC (NAJ)-20，包装数量MPQ：50个，MSL 等级/回流焊峰值温度：Call TI，引脚镀层/焊球材料：Call TI，TI官网LM117E/883的批量USD价格：41.956（1000+）

LM117GW/883，工作温度：PropertyValue，封装：CFP (NAC)-16，包装数量MPQ：42个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：SNPB，TI官网LM117GW/883的批量USD价格：69.807（1000+）

LM117H MD8，工作温度：-55 to 125，封装： (Y)-0，包装数量MPQ：196个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：Call TI，TI官网LM117H MD8的批量USD价格：8.293（1000+）

LM117H/883，工作温度：-55 to 125，封装：TO (NDT)-3，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Call TI，引脚镀层/焊球材料：Call TI，TI官网LM117H/883的批量USD价格：23.053（1000+）

LM117K/883，工作温度：-55 to 125，封装：TO (K)-2，包装数量MPQ：50个，MSL 等级/回流焊峰值温度：Call TI，引脚镀层/焊球材料：Call TI，TI官网LM117K/883的批量USD价格：48.871（1000+）

LM117KG MD8，工作温度：-55 to 125，封装： (Y)-0，包装数量MPQ：196个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：Call TI，TI官网LM117KG MD8的批量USD价格：9.438（1000+）

LM117QML的评估套件：

LM117QML的电路图解：

LM117QML的评估套件：