LM117HV

Features: ·Adjustable output down to 1.2V·Guaranteed 1.5A output current·Line regulation typically 0.01%/V·Load regulation typically 0.1%·Current limit constant with temperature·100% electrical burn-in· Eliminates the need to stock many voltages·Standard 3-lead transistor package·80 dB ripple reje...

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SeekIC No. : 004394557 Detail

LM117HV: Features: ·Adjustable output down to 1.2V·Guaranteed 1.5A output current·Line regulation typically 0.01%/V·Load regulation typically 0.1%·Current limit constant with temperature·100% electrical burn...

floor Price/Ceiling Price

Part Number:
LM117HV
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

·Adjustable output down to 1.2V
·Guaranteed 1.5A output current
·Line regulation typically 0.01%/V
·Load regulation typically 0.1%
·Current limit constant with temperature
·100% electrical burn-in
· Eliminates the need to stock many voltages
·Standard 3-lead transistor package
·80 dB ripple rejection
·Output is short-circuit protected
·P+ Product Enhancement tested






Specifications

Output Current 1500, 500 mA
Input Min Voltage 4.2 Volt
Input Max Voltage 60 Volt
Adjustable Output Yes
On/Off Pin No
Error Flag No
Temperature Min -55 deg C
Temperature Max 125 deg C
RegType Linear Regulator
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Power Dissipation ...............................................................................Internally limited
Input-Output Voltage Differential ............................................................+60V, −0.3V
Operating Junction Temperature Range
LM117HV ..........................................................................................−55°C to +150°C
LM317HV ..............................................................................................0°C to +125°C
Storage Temperature .......................................................................−65°C to +150°C
Lead Temperature (Soldering, 10 sec.) ...............................................................300°C
ESD Tolerance (Note 5) ........................................................................................2000V






Description

The LM117HV/LM317HV are adjustable 3-terminal positive voltage regulators capable of supplying in excess of 1.5A over a 1.2V to 57V 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. Also, the LM117HV is packaged in standard transistor packages which are easily mounted and handled.

In addition to higher performance than fixed regulators, the LM117HV 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 rejections ratios which are difficult to achieve with standard 3-terminal regulators.

Besides replacing fixed regulators, the LM117HV 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. do not short the output to ground.

Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM117HV 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.

The LM117HVK STEEL and LM317HVK STEEL are packaged in standard TO-3 transistor packages, while the LM117HVH and LM317HVH are packaged in a solid Kovar base TO-39 transistor package. The LM317HVT uses a TO-220 plastic package. The LM117HV is rated for operation from -55°C to +150°C, and the LM317HV from 0°C to +125°C.






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