Ultra Low Noise Positive Regulator for High Quality Audio

ULN-RD78A : Voltage Noise  42nV @0.1Hz ~ 10Hz / PSRR 140dB(Vs=7.5V~30V)

ULN-RD78A is direct replaceable for 78XX of TO-220 package.

<General Properties>

1. Trimmed to High Accuracy & Ultra Low Noise Reference

- 2.5V ~ 3.3V : MAX6225A(1ppm/¡ÆC, 0.02% Accuracy)

- 5V ~30V : LT1236ACS8-5(2ppm/¡ÆC, 0.05% Accuracy)

2. Ultra Low Noise and High PSRR Error Amp

3. Thin Film  0.1%/10PPM Low Noise Resistors

4  Low ESR SMD Tantal Capacitor

5. Pin Compatible with 78xx Regulator

<Specifications>

1. Noise : 42nV @0.1Hz ~10Hz

2. PSRR(Power Supply Ripple Rejection) : 140dB(Vs=7.5V to 35V)

3. Voltage Temperature Coefficient : 1 ~ 2ppm/¡ÆC

4. Short-Circuit Protected

5. Input Voltage : 7.5V ~ 35V

6. Output Voltage : 3.3V ~ 30V

7. Max. Current : 250mA

8. Power Rating : 800mW

9. Gold Plated PCB : Size 12.7 x 37(W x H :mm)

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1) 2.5V : 7.5V~8.5V
2) 3.3V : 7.5V~8.5V
3) 5.0V : 7.5V~8.5V
4) 8.0V : 10.5V~11.5V
5) 10V : 12.5V~13.5V
6) 12V : 14.5V~15.5V
7) 15V : 17.5V~18.5V
8) 18V : 20.5V~21.5V
9) 24V : 26.5V~27.5V
10) 30V : 32.5V~33.5V
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