SGS-THOMSON GS70T300, GS100T300 Technical data

GS100T300

GS70/100T300 Family

70W/100W DC-DC CONVERTERS FAMILY

Type	Vi	Vo	Io
GS70T300-3.5	200 to 400 V	3,5 V	20 A
GS100T300-5	200 to 400 V	5,2 V	20 A
GS100T300-12	200 to 400 V	12,0 V	8,3 A
GS100T300-15	200 to 400 V	15,0 V	6,6 A
GS100T300-24	200 to 400 V	24,0 V	4,2 A
GS100T300-48	200 to 400 V	48,0 V	2,0 A

FEATURES

High input voltage range bus: 200 to 400Vdc UL, TUV approved

High output power (up to 100W)

High efficiency (80% min. on GS100T300-5 module)

Output voltages range: 3.5-5.2-12-15-24and 48V Output voltage adjustable by external pin Remote load voltage sense compensation Output short-circuit protection

Output overvoltage protection Undervoltage lock-out

Minimal overshoot during load transients 3750VRMS input to output isolation voltage Internal input and output filtering

Softstart

PCB or chassis mountable

Mechanical Dimensions 101,6 • 50,8 • 20 mm (4,00 •2,00 •0,79 inches)

DESCRIPTION

The GS70/100T300 family includes 70/100W DCDC converters used to generate isolated output voltages with an output current up to 20A from a wide range input voltage (200 to 400Vdc).

All the GS70/10 0T300 family modules require an external fuse (1 Amps.) on the input side.

June 1994

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GS70/100T300 Family

GS70T300-3.5ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified)

Symbol

Vi

Qi

Pi

Vo

Vo

Vorn

Vol

δVOL

δVOO

Vo

δVo

SVR

Io

IoI Iosc ts ton Vis

fs

η

Rth

Tcop

Tstg

Parameter	Test Conditions		Min	Typ	Max	Unit
Input Voltage	Vo = 3.5V	Io = 0 to 20A	200	300	400	VDC
	(Operating Conditions)
Inrush Charge	Vi = 400V			40•10-6		C
	Io = 20A
Input Power	Vi = 300V	Io = 0A (No Load)		2.5		W
Output Voltage	Vi = 200 to 400V		3.43	3.5	3.57	V
	Io = 0 to 20A
Output Voltage Range	Vi = 200 to 400V		1.75		3.5	V
	Io = 0 to 20A (see fig. 2)
Output Ripple and	Vi = 300V			35	40	mVpp
Noise Voltage	Io = 20A	BW = 0 to 20Mhz

Output Overvoltage	V	i	= 200 to 400V			•		V
						1.2 Vo
Limit Initiation	Io = 0 to 20A
Line Regulation	Vi = 200 to 400V						±0.1	%
	Io = 20A
Load Regulation	Vi = 300V						±0.1	%
	Io = 0 to 20A
Total Remote Sense Compensation	Vi = 200 to 400V						0.6	V
Peak Load Transient Response	Vi = 300V			δIo = 10A		500		mVp
Supply Voltage Rejection	f = 100Hz					55		dB
Output Current	Vi = 200 to 400V				0		20	A
	Vo = 3.3V
Overcurrent Limit Initiation	Vi = 300V				21	23	25	A
Shortcircuit Output Current	Vi = 300V				18	23	28	A
Load Transient Settling Time	Vi = 300V			δIo = 10A		300		μs
Turn-on Time	Vi = 200V			Io = 20A		6	10	ms
Isolation Voltage	Input to Output				3750			VRMS
	Input to Baseplate				2500
	Output to Baseplate				500
Switching Frequency	Vi = 200 to 400V					150		kHz
	Io = 0 to 20A
Efficiency	Vi = 300V			Io = 20A	78	79		%
Thermal Resistance	Baseplate to Ambient					7.5		°C/W
Operating Case					0		+70	°C
Temperature Range
Storage Temperature Range					± 40		+100	°C

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GS70/100T300 Family

GS100T300-5 ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified)

Symbol

Vi

Qi

Pi

Vo

Vo

Vorn

Vol

δVOL

δVOO

Vo

δVo

SVR

Io

IoI Iosc ts ton Vis

fs

η

Rth

Tcop

Tstg

Parameter	Test Conditions		Min	Typ	Max	Unit
Input Voltage	Vo = 5V	Io = 0 to 20A	200	300	400	VDC
	(Operating Conditions)
Inrush Charge	Vi = 400V			40•10-6		C
	Io = 20A
Input Power	Vi = 300V	Io = 0A (No Load)		2.5		W
Output Voltage	Vi = 200 to 400V		5.09	5.20	5.30	V
	Io = 0 to 20A
Output Voltage Range	Vi = 200 to 400V		2.6		5.20	V
	Io = 0 to 20A (see fig. 2)
Output Ripple and	Vi = 300V			40	50	mVpp
Noise Voltage	Io = 20A	BW = 0 to 20Mhz

Output Overvoltage	V	i	= 200 to 400V			•		V
						1.2 Vo
Limit Initiation	Io = 0 to 20A
Line Regulation	Vi = 200 to 400V						±0.1	%
	Io = 20A
Load Regulation	Vi = 300V						±0.1	%
	Io = 0 to 20A
Total Remote Sense Compensation	Vi = 200 to 400V						0.6	V
Peak Load Transient Response	Vi = 300V			δIo = 1A		500		mVp
Supply Voltage Rejection	f = 100Hz					55		dB
Output Current	Vi = 200 to 400V				0		20	A
	Vo = 5V
Overcurrent Limit Initiation	Vi = 300V				21	23	25	A
Shortcircuit Output Current	Vi = 300V				18	23	28	A
Load Transient Settling Time	Vi = 300V			δIo = 1A		300		μs
Turn-on Time	Vi = 200V			Io = 20A		6	10	ms
Isolation Voltage	Input to Output				3750			VRMS
	Output to Baseplate				500
	Input to Baseplate				2500
Switching Frequency	Vi = 200 to 400V					150		kHz
	Io = 0 to 20A
Efficiency	Vi = 300V			Io = 20A	80	81		%
Thermal Resistance	Baseplate to Ambient					7.5		°C/W
Operating Case					0		+70	°C
Temperature Range
Storage Temperature Range					± 40		+100	°C

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