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/°C, 0.02% Accuracy)

- 5V ~30V : LT1236ACS8-5(2ppm/°C, 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/°C

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)


Please select the output voltage(3.3V, 5.0V, 8.0V, 10V, 12V, 15V, 18V, 20V, 24V, 28V) when ordering.