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Linear
UDP3305C
set
8.888A 88ääA
C.C
c N
8.8.8.8 w
CH3:
aev
UDP330SC
DC
Power
User
Manual
CH2
OW
PARA
C.C c v
8.8.8.8w
ON
OFF
c.c
0—30V
5A MASTER
+
CHI
www.uni-trend.com
MI
CHI
SERIINDEP
M2
ovp
M3
0—30V
5A MASTER
C_CPARA
+
CH2
our.
Supply
CH2
PAR
OCP
LOCK
I.W
2.5V
3.3V
3.0A
+
CH3
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Summary of Contents for UNI-T UDP3305C
- Page 1 UDP330SC Linear Power Supply User Manual UDP3305C SERIINDEP 8.888A 88ääA PARA C.C c v LOCK 8.8.8.8w 8.8.8.8 w CH3: 0—30V 5A MASTER 2.5V 3.3V 3.0A 0—30V 5A MASTER C_CPARA our. www.uni-trend.com...
- Page 2 UDP3305C Linear DC Power Supply Introduction The UDP3305C DC power supply is a cost-effective program control DC power supply with outstanding performance, reliable output and clear interface. The UDP3305C DC power supply has four independent outputs: two of them are adjustable...
- Page 3 Clean the tester casing with a damp cloth and mild detergent. Do not use abrasives or solvents! Do not operate the product if you suspect it is faulty, and please contact UNI-T authorized service personnel for inspection. Only trained personnel can perform the maintenance program.
- Page 4 UDP3305C Series User Manual RS232 interface 5 sets of setup storage: MI -M5 Shutdown memory Buttons lock Intelligent temperature-controlled USB phone charging interface Front Panel View settings when output is on LCD display Store buttons Channel 2 button Channel 1 button...
- Page 5 UDP3305C Series User Manual Main Index Parameters Test conditions: Turn on the device 30 minutes +200C—+300C. CHI/CH2 Output Voltage 0-30V Output Current 0-5A Line Regulation Constant Voltage <0.010/0+3mV Constant Current Load Regulation <0.01 %+3mV (rated current <3A) Constant Voltage < 0.020/0+5mV (rated current > 3A)
- Page 6 UDP3305C Series User Manual Series Mode Line Regulation Load Regulation <300mV < 0.010/0+3mV (rated current < 3A) Error < 0.020/0+5mV (rated current > 3A) Output Voltage 1.8V/2.5V/3.3V/5.ov (fine adjustable) Output Current 3.0A Line Regulation (25±50) Load Regulation (25±50) < 15mV Ripple and Noise (5Hz-1MHz) <2mVrms...
- Page 7 UDP3305C Series User Manual Function Introduction 1. Voltage I Current Setting and Output Voltage setting: Press CHI button, the cursor will flash on the CHI voltage position, press the voltage knob to move the cursor and rotate the knob to adjust the voltage value;...
- Page 8 UDP3305C Series User Manual 2. Series and Parallel Settings 2.1 Series Settings: Press CHI button for 3 seconds to enter series mode, the "SER" symbol will be on. CHI+ is the main positive output of series and CH2- is the slave negative output. The series voltage and current settings can only be adjusted in CHI , and the CH2 settings will follow that of Chl .
- Page 9 UDP3305C Series User Manual 3. Constant Voltage I Constant Current In constant voltage mode, the output current is lower than set value, the channel indicator will be green (CV), and the voltage keeps as set value. If the output current reaches the set value, the...
- Page 10 UDP3305C Series User Manual 5. Remote Control DIGITAL 1/0 Interface To remotely control the output and shutoff of CHI /CH2, you can short-circuit or disconnect the pin 1 and 2 of the DIGITAL 1/0 terminal by a short-circuit wire or an external relay. The specific operations...
- Page 11 UDP3305C Series User Manual 7. MI -M5 Store/RecaII Functions Introduction After output parameters are set, long press one of the MI-M5 buttons (>3s) to save the setting. Short press one of the MI -M5 buttons to recall the stored data with the button's backlight on.
- Page 12 UDP3305C Series User Manual 10. OTP (over-temperature protection) Overview Inside the power supply, there are two thermistors placed on the heat sink which has the maximum heat. Once the power supply fails and the temperature of the heat sink reaches about 1000, the over- temperature protection is triggered, and the output will be turned off with the "OTP"...
- Page 13 UDP3305C Series User Manual UNI-T UNI-TREND TECHNOLOGY (CHINA) CO., LTD. No.6, Gong Ye Bei 1st Road, Songshan Lake National High-Tech Industrial Development Zone, Dongguan City, Guangdong Province, China...
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