ISO5125I

HIGH-VOLTAGE INSULATED DC/DC POWER SUPPLY

For 3.3kV to 6.5kV SCALE-2 drivers

Up to 12kV insulation voltage for multilevel topologies

5W output power

Short Description

The ISO5125I is a single-channel insulated DC/DC converter suitable as a power supply for 3.3kv, 4.5kV and 6.5kV IGBT drivers. Its output power of 5W enables switching frequencies up to 5kHz for 6.5kV/750A IGBTs. The ISO5125I complements the 1SP0335 SCALE-2 high-voltage IGBT drivers.

The ISO5125I DC/DC series of converters is offered for various insulation voltages. It thus covers the complete range of 3.4kV to 6.5kV IGBT applications from 2-level to multi-level topologies.

Outstanding features of the ISO5125I DC/DC series of converters include a long creepage distance of 60mm, an extremely low coupling capacitance of 4pF and an extremely reliable circuit technology in a rugged package for simple and vibration-proof mounting.

Key Data Overview

Parameter	Min	Typical	Max	Unit
Nominal supply voltage		15		V
Supply input current, without load		55		mA
Supply input current (@200mA load)		395		mA
Output power			5	W
Output Voltage		25		V
Operating temperature	-40		+85	°C

Isolation Data ISO5125I-45

Parameter	Min	Typical	Max	Unit
Operating voltage			4.5	kV_(peak)
Dielectric test voltage (50Hz/1min)			7.4	kV_AC(eff)
Partial discharge extinction voltage	3.6			kV_AC(eff)

Application

Drivers for 3.3kV and 4.5kV IGBTs: 1SP0335, 2-level topologies

Isolation Data ISO5125I-65

Parameter	Min	Typical	Max	Unit
Operating voltage			6.5	kV_(peak)
Dielectric test voltage (50Hz/1min)			10.2	kV_AC(eff)
Partial discharge extinction voltage	5.1			kV_AC(eff)

Application

Drivers for 3.3kV IGBTs: 1SP0335, 3-level topologies
Drivers for 6.5kV IGBTs: 1SP0335, 2-level topologies

Isolation Data ISO5125I-100

Parameter	Min	Typical	Max	Unit
Operating voltage			10.0	kV_(peak)
Dielectric test voltage (50Hz/1min)			15.2	kV_AC(eff)
Partial discharge extinction voltage	7.8			kV_AC(eff)

Application

Drivers for 3.3kV, 4.5kV and 6.5kV IGBTs: 1SP0335, 3-level and multilevel topologies

Isolation Data ISO5125I-120

Parameter	Min	Typical	Max	Unit
Operating voltage			12.0	kV_(peak)
Dielectric test voltage (50Hz/1min)			18.0	kV_AC(eff)
Partial discharge extinction voltage	9.4			kV_AC(eff)