Shenzhen Koben Electronics Co., Ltd.
| Payment Terms | Western Union, T/T,Paypal |
| Supply Ability | Consultation |
| Delivery Time | 2-3 working days |
| Packaging Details | 2500PCS/Standard Package |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Operating Temperature | 0°C ~ 125°C |
| Brand Name | Texas Instruments |
| Model Number | LM338T |
| Certification | ROHS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | Western Union, T/T,Paypal | Supply Ability | Consultation |
| Delivery Time | 2-3 working days | Packaging Details | 2500PCS/Standard Package |
| Output Configuration | Positive | Output Type | Adjustable |
| Number of Regulators | 1 | Operating Temperature | 0°C ~ 125°C |
| Brand Name | Texas Instruments | Model Number | LM338T |
| Certification | ROHS | Place of Origin | CHINA |
| High Light | integrated circuit chip ，ic electrical component | ||
LM338T Linear Voltage Regulator IC Positive Adjustable 1 Output 5A TO-220-3
Description
The LM138 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 5 A over a 1.2-V to 32-V output range. They are exceptionally easy to use and require only 2 resistors to set the output voltage. Careful circuit design has resulted in outstanding load and line regulation, comparable to many commercial power supplies. The LM138 family is supplied in a standard 3-lead transistor package. A unique feature of the LM138 family is timedependent current limiting. The current limit circuitry allows peak currents of up to 12 A to be drawn from the regulator for short periods of time. This allows the LM138 to be used with heavy transient loads and speeds start-up under full-load conditions. Under sustained loading conditions, the current limit decreases to a safe value protecting the regulator. Also included on the chip are thermal overload protection and safe area protection for the power transistor. Overload protection remains functional even if the adjustment (ADJ) pin is accidentally 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 output capacitor can be added to improve transient response, while bypassing the adjustment pin increases the ripple rejection of the regulator. Besides replacing fixed regulators or discrete designs, the LM138 is useful in a wide variety of other applications. Because the regulator is floating and receives 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; do not short-circuit output to ground. The part numbers in the LM138 series which have a K suffix are packaged in a standard steel TO-CAN package, while those with a T suffix are packaged in a TO-220 plastic package. The LM138 is rated for TJ = –55°C to 150°C, and the LM338 is rated for TJ = 0°C to 125°C.
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.24V |
| Voltage - Output (Max) | 32V |
| Voltage Dropout (Max) | - |
| Current - Output | 5A |
| PSRR | 75dB ~ 60dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
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Company Details
Business Type:
Distributor/Wholesaler
Year Established:
1995
Ecer Certification：
Site Member
Koben Electronics was founded in 1995 and is located in the Silicon Valley of China, Shenzhen. The mission of Koben has always been to provide quality electronics components to manufacturers worldwide. Early on we became a primary conduit for end-of-program and overstoc... Koben Electronics was founded in 1995 and is located in the Silicon Valley of China, Shenzhen. The mission of Koben has always been to provide quality electronics components to manufacturers worldwide. Early on we became a primary conduit for end-of-program and overstoc...
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