Description
BUY NJM7815A https://www.utsource.net/itm/p/12607946.html
Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
Output Voltage |
Vout |
No load |
- |
15 |
- |
V |
Line Regulation |
|
Input voltage change |
0.004 |
- |
0.01 |
%/V |
Load Regulation |
|
Load current from 0 to 1A |
0.01 |
- |
0.2 |
% |
Dropout Voltage |
Vdo |
Iout = 1A |
- |
1.7 |
- |
V |
Quiescent Current |
IQ |
Typical operating condition |
- |
8 |
- |
mA |
Ripple Rejection |
|
1kHz |
60 |
- |
80 |
dB |
Thermal Shutdown |
TSD |
Operating junction temperature |
- |
170 |
- |
°C |
Short-Circuit Current |
ISC |
Vout shorted |
- |
2 |
- |
A |
Instructions for Use:
Installation and Mounting:
- Ensure proper heat dissipation by mounting the NJM7815A on a heatsink if it is expected to dissipate significant power.
- Follow standard PCB layout practices to minimize noise and improve stability.
Input Capacitor:
- It is recommended to place a capacitor (typically 0.33 μF) at the input to stabilize the regulator against input transients.
Output Capacitor:
- An output capacitor (typically 0.1 μF) should be placed close to the output terminal to ensure stability and reduce output noise.
Operating Temperature Range:
- The device operates reliably within the temperature range of -40°C to +125°C.
Handling Short Circuits:
- The NJM7815A includes internal short-circuit protection, but external fuses or current-limiting resistors may be necessary depending on the application.
Thermal Protection:
- The regulator features thermal shutdown to protect against overheating. Ensure adequate cooling for continuous operation under heavy loads.
Voltage Regulation:
- The NJM7815A provides a fixed output voltage of 15V. Verify that this meets your circuit requirements before installation.
Load Regulation:
- Keep in mind the load regulation when designing circuits where load current varies significantly, as this can affect output voltage stability.
Line Regulation:
- Consider the line regulation if the input voltage fluctuates, as this can impact the stability of the output voltage.
(For reference only)
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