Ultra Low Noise Positive Regulator for High Current
ULN-HC78A : Voltage Noise 42nVrms @0.1Hz ~ 10Hz /PSRR 140dB(Vs=7.2V~30V)
ULN-HC78A is direct replaceable for 78XX of TO-220 package.
<General Properties>
1. Trimmed to High Accuracy Reference
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. Voltage Noise : 42nV @ 0.1Hz ~ 10Hz
2. PSRR(Power Supply Ripple Rejection) : 140dB(Vs=7.2V to 30V)
3. Voltage Reference
- 5V ~ 30V : LT1236ACS8-5(2ppm/°C, 0.05% Accuracy)
- 2.5V ~ 3.3V : MAX6225(1ppm/°C, 0.02% Accuracy)
4. Input Voltage : 7.2V~ 30V
5. Output Voltage : 2.5V, 2.6V, 3.3V, 5.0V, 8.0V, 10V, 12V, 15V, 18V, 20V, 25V, 28V
6. Max. Current : 4.0A
7. Power Rating : 40W(Junction to Case @85°C)/1W(Junction to Ambient @85°C)
8. Gold Plated PCB : Size 12.5 x 37(W x H :mm)
Please select the output voltage(2.5V~28V) when ordering.