ARCH NI20-12-3.3S, NI20-5-3.3S, NI20-5-1.8S, NI20-12-5S, NI20-12-1.8S Datasheet
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Encapsulated DC-DC Converter
NI20 SERIES 20 Watts
KEY FEATURES
Non-Isolation Output
Synchronous-rectifier Topologies
High Efficiency
High Power Density
2-Year Product Warranty
ELECTRICAL SPECIFICATIONS
Model No. NI20-5-1.5S NI20-5-1.8S NI20-5-2.1S NI20-5-2.5S NI20-5-3.3S
Max. output wattage (W) 12W 14.4W 16.8W 20W 26.4W
Input voltage (V.DC.) 5V (4.5V-5.5V) 5V (4.5V-5.5V) 5V (4.5V-5.5V) 5V (4.5V-5.5V) 5V (4.5V-5.5V)
Output voltage (V.DC.) 1.5V / 8000mA 1.8V / 8000mA 2.1V / 8000mA 2.5V / 8000mA 3.3V / 8000mA
Model No. NI20-12-1.5S NI20-12-1.8S NI20-12-2.1S NI20-12-2.5S NI20-12-3.3S
Max. output wattage (W) 12W 14.4W 16.8W 20W 26.4W
Input voltage (V.DC.) 12V (4.5V-13.5V) 12V (4.5V-13.5V) 12V (4.5V-13.5V) 12V (4.5V-13.5V) 12V (4.5V-13.5V)
Output voltage (V.DC.) 1.5V / 8000mA 1.8V / 8000mA 2.1V / 8000mA 2.5V / 8000mA 3.3V / 8000mA
Model No. NI20-12-5S
Max. output wattage (W) 20W
Input voltage (V.DC.) 12V (7V-13.5V)
Output voltage (V.DC.) 5V / 4000mA
Model No.
Max output wattage (W)
Input Input filter
Output
Protection
Environment
Physical
Voltage (V.DC.) 1.5 1.8 2.1 2.5 3.3 5
Voltage accuracy
Current (mA) max 8000 8000 8000 8000 8000 4000
Line regulation (HL-LL) (typ.)
Load regulation (10-100%) (typ.)
Ripple 30mV max (Vp-p)
Noise 100mV max (Vp-p)
Efficiency 83% 85% 86% 88% 90% 90 %
Switching frequency 200KHz 200KHz 200KHz 200KHz 200KHz 200KHz
Over current protection Works over 120% of rating and shut down
Short circuit protection Current limit, shut down
Operating temperatur e 0°C…+50°C
Storage temperature -55°C…+105°C
Case temperature +95°C max.
Temperature coefficient
Humidity 95% RH
MTBF >1,000,000 h @ 25°C (MIL-HDBK-217F)
Dimension (L x W x H) 2.5 x 0.55 x 0.24 Inches (63.5 x 13.9x 6.0 mm)
Case Material Open Frame
Weight 5 g
Cooling method Free-air convection
NI20-5-1.5S
NI20-12-1.5S
12W 14.4W 16.8W 20W 26.4W 20W
π type
±2% ±2% ± 2% ±2% ±2% ±2%
±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
±1% ±1% ± 1% ±1% ±1% ±1%
±0.02% Per°C
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
NI20-5-1.8S
NI20-12-1.8S
NI20-5-2.1S
NI20-12-2.1S
NI20-5-2.5S
NI20-12-2.5S
NI20-5-3.3S
NI20-12-3.3S
NI20-12-5S
NI 20-12-5S
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319 -1-
Encapsulated DC-DC Converter
NI20 SERIES 20 Watts
MECHANICAL DIMENSION (Top View)
PIN# Single
1 +VOUT
2 +VOUT
3 NC
4 +VOUT
5 GND
6 GND
7 +VIN
DERATING
BLOCK DIAGRAM
8 +VIN
9 NC
10 NC
11 NC
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319 -2-
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