رگولاتور ولتاژ LD1117STR قابل تنظیم (Adjustable) پکیج SOT-223
رگولاتور ولتاژ LD1117STR با خروجی قابل تنظیم (Adjustable)، پکیج SOT-223 (SMD)، حداکثر جریان خروجی 800 میلی آمپر(800 mA)، رگولاتور خطی، یک خروجی ولتاژ مثبت.
Features
· Low dropout voltage (1 V typ.)
· Output current up to 800 mA
· Adjustable version availability (VREF = 1.25 V)
· Internal current and thermal limit
· Available in ± 1 % (at 25 °C) and 2 % in full temperature range
· Supply voltage rejection: 75 dB (typ.)
Description
The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current, available even in adjustable version
(VREF = 1.25 V). Concerning fixed versions, are offered the following output voltages: 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V and 5.0 V.
The device is supplied in: SOT-223, DPAK, SO-8 and TO-220. The SOT-223 and DPAK surface mount packages optimize the thermal characteristics even offering
a relevant space saving effect. High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current
flows mostly into the load. Only a very common 10 μF minimum capacitor is needed for stability.
On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C.
The adjustable LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better
performances in terms of drop and tolerance.
· Low dropout voltage (1 V typ.)
· Output current up to 800 mA
· Adjustable version availability (VREF = 1.25 V)
· Internal current and thermal limit
· Available in ± 1 % (at 25 °C) and 2 % in full temperature range
· Supply voltage rejection: 75 dB (typ.)
Description
The LD1117 is a low drop voltage regulator able to provide up to 800 mA of output current, available even in adjustable version
(VREF = 1.25 V). Concerning fixed versions, are offered the following output voltages: 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V and 5.0 V.
The device is supplied in: SOT-223, DPAK, SO-8 and TO-220. The SOT-223 and DPAK surface mount packages optimize the thermal characteristics even offering
a relevant space saving effect. High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current
flows mostly into the load. Only a very common 10 μF minimum capacitor is needed for stability.
On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C.
The adjustable LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better
performances in terms of drop and tolerance.
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