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LM317S

  

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TGS
Tiger Electronic
LM317S HIGH CURRENT ADJUSTABLE VOLTAGE REGULATOR

DESCRIPTION
The LM317 is an adjustable 3-terminal positive voltage regulator, designed to supply 1A of output current with voltage adjustable from 1.3V ~ 37V.

FEATURES
● Typical 1% Output Voltage Tolerance
● Output voltage adjustable from 1.3V ~ 37V
● Output current in excess of 1A
● Internal short circuit protection
● Internal over temperature protection
● Output transistor safe area compensation

APPLICATIONS
● PC Motherboard
● LCD Monitor
● Graphic Card
● DVD Player
● Network Interface Card/Switch
● Telecom Equipment
● Printer and other Peripheral Equipment


other parts : LM317EMP  LM317T  LM317MDT  LM317  
LM317S PDF
National-Semiconductor
National ->Texas Instruments
LM317S 3-Terminal Adjustable Regulator

General Description
The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 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. Also, the LM117 is packaged in standard transistor packages which are easily mounted and handled.
In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in ICs. 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 applications requiring greater output current, see LM150 series (3A) and LM138 series (5A) data sheets. For the negative complement, see LM137 series data sheet.

Features
■ Guaranteed 1% output voltage tolerance (LM317A)
■ Guaranteed max. 0.01%/V line regulation (LM317A)
■ Guaranteed max. 0.3% load regulation (LM117)
■ Guaranteed 1.5A output current
■ Adjustable output down to 1.2V
■ Current limit constant with temperature
■ P+ Product Enhancement tested
■ 80 dB ripple rejection
■ Output is short-circuit protected


other parts : LM117E/883  LM117H  LM117H/883  LM117HP  LM117K/883  LM117KSTEEL  LM117KSTEELP  LM317AEMP  LM317AEMPX  LM317AH  
LM317S PDF
National-Semiconductor
National ->Texas Instruments
LM317SX 3-Terminal Adjustable Regulator

General Description
The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 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. Also, the LM117 is packaged in standard transistor packages which are easily mounted and handled.
In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in ICs. 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 applications requiring greater output current, see LM150 series (3A) and LM138 series (5A) data sheets. For the negative complement, see LM137 series data sheet.

Features
■ Guaranteed 1% output voltage tolerance (LM317A)
■ Guaranteed max. 0.01%/V line regulation (LM317A)
■ Guaranteed max. 0.3% load regulation (LM117)
■ Guaranteed 1.5A output current
■ Adjustable output down to 1.2V
■ Current limit constant with temperature
■ P+ Product Enhancement tested
■ 80 dB ripple rejection
■ Output is short-circuit protected


other parts : LM117E/883  LM117H  LM117H/883  LM117HP  LM117K/883  LM117KSTEEL  LM117KSTEELP  LM317AEMP  LM317AEMPX  LM317AH  
LM317SX PDF
National-Semiconductor
National ->Texas Instruments
LM317SP 3-Terminal Adjustable Regulator

General Description
The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 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. Also, the LM117 is packaged in standard transistor packages which are easily mounted and handled.
In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in ICs. 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 applications requiring greater output current, see LM150 series (3A) and LM138 series (5A) data sheets. For the negative complement, see LM137 series data sheet.

Features
■ Guaranteed 1% output voltage tolerance (LM317A)
■ Guaranteed max. 0.01%/V line regulation (LM317A)
■ Guaranteed max. 0.3% load regulation (LM117)
■ Guaranteed 1.5A output current
■ Adjustable output down to 1.2V
■ Current limit constant with temperature
■ P+ Product Enhancement tested
■ 80 dB ripple rejection
■ Output is short-circuit protected


other parts : LM117E/883  LM117H  LM117H/883  LM117HP  LM117K/883  LM117KSTEEL  LM117KSTEELP  LM317AEMP  LM317AEMPX  LM317AH  
LM317SP PDF
TI
Texas Instruments
LM317S/NOPB Wide Temperature Three-Pin Adjustable Regulator

Description
The LM117 and LM317-N series of adjustable 3-pin positive voltage regulators are capable of supplying in excess of 1.5 A over a 1.25-V to 37-V output range and a wide temperature 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.
The LM117 and LM317-N offer full overload protection such as current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
Typically, 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 that are difficult to achieve with standard 3-terminal regulators.

Features
• Typ. 0.1% Load Regulation
• Typ. 0.01%/V Line Regulation
• 1.5-A Output Current
• Adjustable Output Down to 1.25 V
• Current Limit Constant With Temperature
• 80-dB Ripple Rejection
• Short-Circuit Protected Output
• −55°C to 150°C Operating Temperature Range (LM117)

Applications
• Automotive LED Lighting
• Battery Chargers
• Post Regulation for Switching Supplies
• Constant Current Regulators
• Microprocessor Supplies


other parts : LM117  LM317-N  LM117H  LM117H/NOPB  LM117KSTEEL  LM117KSTEEL/NOPB  LM317EMP  LM317EMP/NOPB  LM317EMPX/NOPB  LM317H  
LM317S/NOPB PDF
TI
Texas Instruments
LM317SX/NOPB Wide Temperature Three-Pin Adjustable Regulator

Description
The LM117 and LM317-N series of adjustable 3-pin positive voltage regulators are capable of supplying in excess of 1.5 A over a 1.25-V to 37-V output range and a wide temperature 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.
The LM117 and LM317-N offer full overload protection such as current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
Typically, 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 that are difficult to achieve with standard 3-terminal regulators.

Features
• Typ. 0.1% Load Regulation
• Typ. 0.01%/V Line Regulation
• 1.5-A Output Current
• Adjustable Output Down to 1.25 V
• Current Limit Constant With Temperature
• 80-dB Ripple Rejection
• Short-Circuit Protected Output
• −55°C to 150°C Operating Temperature Range (LM117)

Applications
• Automotive LED Lighting
• Battery Chargers
• Post Regulation for Switching Supplies
• Constant Current Regulators
• Microprocessor Supplies


other parts : LM117  LM317-N  LM117H  LM117H/NOPB  LM117KSTEEL  LM117KSTEEL/NOPB  LM317EMP  LM317EMP/NOPB  LM317EMPX/NOPB  LM317H  
LM317SX/NOPB PDF

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