Other Parts Discussed in Thread: LM337, LM340, LM7800
Hi team,
Do we have upgrade device of LM317 (SOT223) / LM337 (SOT223)? Like device with better PSRR?
Thank you for your help!
Best regards,
Wendy
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Hello Wendy,
Below table shows a couple of options that have better PSRR.
LM317 | LM337 | LM340 | LM7800 | |
AEC Q100 | NO | NO | NO | NO |
Output Options | Adjustable Output | Adjustable Output, Negative Output | Fixed Output | Fixed Output |
Iout (Max) (A) | 1.5 | 1.5 | 1.5 | 1.5 |
Vin (Max) (V) | 40 | -3 | 35 | 30 |
Vin (Min) (V) | 3 | -40 | 7.5 | 7.5 |
Vout (Max) (V) | 37 | -1.2 | 15 | 15 |
Vout (Min) (V) | 1.25 | -37 | 5 | 5 |
Fixed Output Options (V) | - | - | 5, 12, 15 | 5, 12, 15 |
Enable | NO | NO | NO | NO |
Power Good | NO | NO | NO | NO |
Output Capacitor Type | Non-Ceramic | Non-Ceramic | Cap Free, Ceramic | Ceramic, Non-Ceramic |
PSRR @ 100KHz (dB) | 38 | 19 | 50 | 48 |
Noise (uVrms) | 38 | 1110 | 40 | 40 |
Accuracy (%) | 5 | 2.4 | 2.5 | 3 |
Vdo (Typ) (mV) | 2000 | 2000 | 2000 | 2000 |
Iq (Typ) (mA) | 5 | 1.5 | 8 | 6 |
Thermal Resistance θJA (°C/W) | 24 | 23 | 24 | 24 |
Min Package Area (mm2) | 45.5 | 66.726 | 45.5 | 45.5 |
Package Type | DDPAK/TO-263, SOT-223, TO-220, TO-220 | DDPAK/TO-263, TO-220, TO-252 | DDPAK/TO-263, SOT-223, TO-220, TO-220 | DDPAK/TO-263, SOT-223, TO-220 |
Regards,
Prakash L