TPS7A4700 Ultralow-noise (4µVrms) Power Supply 1.4-20.5V,1A for Audio DAC

Description

Universal Power Supply with TPS7A4700 LDO VR PCB
NOW WITH RC SNUBBER CIRCUIT, DC INPUT OPTION (Bypassing rectifier)
Features
• Input Voltage Range
: +3 VDC to +25 VDC, 3VAC to 18VAC
• Output Voltage Noise
: 4 μV
RMS
(10 Hz, 100 kHz)
• Power-Supply Ripple Rejection:
– 82 dB (100 Hz)
– ≥ 55 dB (10 Hz, 10 MHz)
• ANY-OUT™ Voltage Modes:
– User-Programmable Output via Solder pads on LDOVR PCB
– Output Voltage Range: +1.4 V to +20.5 V (in 0.1V step)
• Output Current: 1 A
• Dropout Voltage: 307 mV at 1 A
• CMOS Logic Level-Compatible Enable Pin, if enable is not required, tie EN to Vin (J4)
• Sense Pin -
This pin must be connected to OUT
, can be connected to the point of load to maximize accuracy,
t
ie S+ to V+ if
external connection not used (J3)
• Built-In Fixed Current Limit and Thermal Shutdown
• PCB size: 30x60mm (approx.
1.0”x3.0”)
• Operating Temperature Range:–40°C to 125°C
Package includes
1 x Fully completed and tested TPS7A4700 PCB
1 x Power supply PCB 30x60mm
4 x
MBRS360T3G
Diode Schottky 60V 4A
ON SEMICONDUCTOR installed
1x
47uf 25V 10% D CASE SMD TANTALUM CAPACITORS T491X476K025AT KEMET installed
2 x
WIMA SMD-PET SMD1812 0.1uF (0.1µF 0,1uF 100nF) 63V 10% Capacitor installed
1 x PANASONIC
EEU-FC1E562 Cap Aluminum Lytic 5600uF 25V 20% (18 X 40mm)
1 x 5PIN angled headers for vertical mount
1 x 5PIN straight headers
1 x 3+2PIN straight header
with 2x2PIN Jumper (Shunt)
for Feedback and Enable control
1 x 5.08mm Pitch 2Pin PCB Mount Power Screw Terminal Block Connector
1 x 5.08mm Pitch 3Pin PCB Mount Power Screw Terminal Block Connector
4 x Plastic Nylon PCB Stand-off Spacer Hex M3 Male x M3 Female 10mm Length
1 x AAVID THERMALLOY
530613B00000G Heat Sink
1 x RC Snubber (WIMA MKS2 0.1uF + 180Ohm resistor)
1 x White Heatsink Compound Thermal Paste Grease For Heatsink (soft pack)