VER : A_0
update : 94.03.21
Encapsulated DC-DC Converter
NI20 SERIES
20 Watts
KEY FEATURES
Non-Isolation Output
Synchronous-rectifier Topologies
High Efficiency
High Power Density
2-Years Product Warranty
ELECTRICAL SPECIFICATIONS
Model No.
NI20-5-1.5S
NI20-5-1.8S
14.4W
NI20-5-2.1S
16.8W
NI20-5-2.5S
NI20-5-3.3S
26.4W
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
Efficiency
12W
20W
5V (4.5-5.5V)
1.5V / 8000mA
82%
5V (4.5-5.5V)
1.8V / 8000mA
86%
5V (4.5-5.5V)
2.1V / 8000mA
88%
5V (4.5-5.5V)
2.5V / 8000mA
89%
5V (4.5-5.5V)
3.3V / 8000mA
91%
Model No.
NI20-12-1.5S
12W
NI20-12-1.8S
14.4W
NI20-12-2.1S
16.8W
NI20-12-2.5S
20W
NI20-12-3.3S
26.4W
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
Efficiency
12V (4.5-13.5V)
5V / 8000mA
81%
12V (4.5-13.5V)
1.8V / 8000mA
84%
12V (4.5-13.5V)
2.1V / 8000mA
85%
12V (4.5-13.5V)
2.5V / 8000mA
86%
12V (4.5-13.5V)
3.3V / 8000mA
89%
Model No.
NI20-12-5S
20W
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
Efficiency
12V (7-13.5V)
5V / 4000mA
92%
NI20-5-1.5S
NI20-5-1.8S
NI20-12-1.8S
14.4W
NI20-5-2.1S
NI20-12-2.1S
16.8W
NI20-5-2.5S
NI20-5-3.3S
Model No.
NI20-12-5S
20W
NI20-12-1.5S
12W
NI20-12-2.5S
20W
NI20-12-3.3S
26.4W
Max output wattage (W)
Input
Input Filter
Capacitor
Voltage (V.DC.)
Voltage Accuracy
Current (mA) max
1.5
1.8
2.1
2.5
3.3
5
±2%
8000
8000
8000
8000
8000
4000
Line Regulation (LL-HL) (typ.)
Load Regulation (10-100%) (typ.)
Ripple
±0.5%
±1%
200mV max (Vp-p)
200mV max (Vp-p)
200KHz
Output
Noise
Switching Frequency
Over Power Protection
Short Circuit Protection
Operating Temperature
Storage Temperature
Temperature Coefficient
Humidity
Works over 120% of rating and shut down
Current limit, shut down
-25°C…+50°C (with derating)
-55°C…+105°C
Protection
Environment
±0.02% Per°C
95% RH
MTBF
>1,000,000 h @ 25°C (MIL-HDBK-217F)
Dimension (L x W x H)
Case Material
Weight
2.5 x 0.275 x 0.55 Inches ( 63.6 x 7.0 x 14.0 mm ) Tolerance ±0.5 mm
Open Frame
10.5 g
Physical
Cooling Method
Free-air convection
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
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