ARCH NI25-3-1.5S, NI25-3-1.8S, NI25-5-1.8S, NI25-5-3.3S, NI25-5-2.5S Datasheet

Encapsulated DC-DC Converter

NI25 SERIES 25 Watts

http://www.archcorp.com.tw

TEL: [phone] FAX: [phone] -1-

ELECTRICAL SPECIFICATIONS

Model No. NI25-3-1.5S NI25-3-1.8S NI25-3-2.1S NI25-3-2.5S

Max. output wattage (W) 15W 18W 21W 25W

Input voltage (V.DC.) 3V (3.0V-3.6V) 3V (3.0V-3.6V) 3V (3.0V-3.6V) 3V (3.0V-3.6V)

Output voltage (V.DC.) 1.5V / 10000mA 1.8V / 10000mA 2.1V / 10000mA 2.5V / 10000mA

Model No. NI25-5-1.5S NI25-5-1.8S NI25-5-2.1S NI25-5-2.5S NI25-5-3.3S

Max. output wattage (W) 15W 18W 21W 25W 33W

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 / 10000mA 1.8V / 10000mA 2.1V / 10000mA 2.5V / 10000mA 3.3V / 10000mA

Model No.

NI25-3-1.5S

NI25-5-1.5S

NI25-3-1.8S

NI25-5-1.8S

NI25-3-2.1S

NI25-5-2.1S

NI25-3-2.5S

NI25-5-2.5S

NI25-5-3.3S

Max output wattage (W)

15W 18W 21W 25W 33W

Input Input filter

π type
Voltage (V.DC.) 1.5 1.8 2.1 2.5 3.3
Voltage accuracy

±2% ±2% ±2% ±2% ±2%
Current (mA) max 10000 10000 10000 10000 10000
Line regulation (HL-LL) (typ.)

±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Load regulation (10-100%) (typ.)

±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Ripple 30mV max (Vp-p)
Noise 100mV max (Vp-p)
Efficiency 83% 85% 86% 88% 90%

Output

Switching frequency 400KHz 400KHz 400KHz 400KHz 400KHz
Over current protection Works over 120% of rating and shut down

Protection

Short circuit protection Current limit, shut down
Operating temperature 0°C…+50°C
Storage temperature -55°C…+105°C
Case temperature +95°C max.
Temperature coefficient

±0.02% Per°C
Humidity 95% RH

Environment

MTBF >1,000,000 h @ 25°C (MIL-HDBK-217F)
Dimension (L x W x H) 2.0 x 0.55 x 0.24 Inches (50.8 x 13.9x 6.0 mm)
Case Material Open Frame
Weight 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.

KEY FEATURES

 Non-Isolation Output

 Synchronous-rectifier Topologies

 Optional Vout trim and ON/OFF Control

 High Efficiency

 High Power Density

 2-Year Product Warranty

Encapsulated DC-DC Converter

NI25 SERIES 25 Watts

http://www.archcorp.com.tw

TEL: [phone] FAX: [phone] -2-

MECHANICAL DIMENSION (Top View)

DERATING

BLOCK DIAGRAM

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