Arch NI25-3-2.1S Encapsulated dc-dc converter Datasheet

VER : A_0
update : 94.03.21
Encapsulated DC-DC Converter
NI25 SERIES
25 Watts
KEY FEATURES
„ Non-Isolation Output
„ Synchronous-rectifier Topologies
„ High Efficiency
„ High Power Density
„ 2-Years Product Warranty
ELECTRICAL SPECIFICATIONS
Model No.
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
NI25-3-1.5S
15W
3V (3.0-3.6V)
1.5V / 10,000mA
NI25-3-1.8S
18W
3V (3.0-3.6V)
1.8V / 10,000mA
NI25-3-2.1S
21W
3V (3.0-3.6V)
2.1V / 10,000mA
NI25-3-2.5S
25W
3V (3.0-3.6V)
2.5V / 10,000mA
Efficiency
80%
84%
86%
88%
Model No.
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
NI25-5-1.5S
15W
5V (4.5-5.5V)
1.5V / 10,000mA
NI25-5-1.8S
18W
5V (4.5-5.5V)
1.8V / 10,000mA
NI25-5-2.1S
21W
5V (4.5-5.5V)
2.1V / 10,000mA
NI25-5-2.5S
25W
5V (4.5-5.5V)
2.5V / 10,000mA
NI25-5-3.3S
33W
5V (4.5-5.5V)
3.3V / 10,000mA
Efficiency
83%
86%
88%
90%
92%
Model No.
Max Output Wattage (W)
Input
Input Filter
Voltage (V.DC.)
Voltage Accuracy
Current (mA) max
Line Regulation (LL-HL) (typ.)
Output
Load Regulation (10-100%) (typ.)
Ripple
Noise
Switching Frequency
Over Power Protection
Protection
Short Circuit Protection
Operating Temperature
Storage Temperature
Environment
Temperature Coefficient
Humidity
MTBF
Dimension (L x W x H)
Case Material
Physical
Weight
Cooling Method
NI25-3-1.5S
NI25-3-1.8S
NI25-3-2.1S
NI25-3-2.5S
NI25-5-1.5S
NI25-5-1.8S
NI25-5-2.1S
NI25-5-2.5S
15W
18W
21W
25W
33W
2.5
3.3
10,000
10,000
Capacitor
1.5
1.8
2.1
±2%
10,000
10,000
10,000
±0.5%
±1%
50mV max (Vp-p)
100mV max (Vp-p)
500KHz
Works over 120% of rating and shut down
Current limit, shut down
-25°C…+50°C (with derating)
-55°C…+105°C
±0.02% Per°C
95% RH
>1,000,000 h @ 25°C (MIL-HDBK-217F)
2.0 x 0.34 x 0.55 Inches ( 51.0 x 8.6 x 14.0 mm ) Tolerance ±0.5 mm
Open Frame
10 g
Free-air convection
NI25-5-3.3S
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
-1-
VER : A_0
update : 94.03.21
Encapsulated DC-DC Converter
NI25 SERIES
MECHANICAL DIMENSION
25 Watts
( Top View )
DERATING
PIN#
Single
1
+VOUT
2
+VOUT
3
NC
4
+VOUT
5
GND
6
GND
7
+VIN
8
+VIN
9
NC
10
TRIM
11
REMOTE
ON / OFF
BLOCK DIAGRAM
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
-2-
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