DRV-3 MOSFET Isolated Drive Module

DRV-3 MOSFET Isolated drive module meets the requirements of SJ20668-1998 “General Specification for Microcircuit Modules” and GJB1515A-2001 “General Specification for Solid State Relays”.

This series of products integrates DC/DC power supply, signal isolated drive circuit and on/off detection circuit. It is of small size and light weight and suitable for the power supply and distribution systems of aviation, aerospace, ships and defense.

Characteristics

Dual drive
Input and output transformer isolation
Low power
All metal parallel seam sealing
With status feedback function
Small size and light weight
Fast response

Main Technical Characteristics

Main Technical Parameters			Min	Typical	Max	Unit
Input	Input voltage		4.5	5	5.5	Vd.c.
	Control voltage			5		Vd.c.
	Power				0.3	W
	Control current			6	10	mA
	Response time				1	μs
Output	Output arrangement		2H
	Output voltage		9.5	11	13	Vd.c.
	Feedback voltage	ON		Low level		Vd.c.
	Feedback voltage	OFF		High level		Vd.c.
Other parameters	Insulation resistance		100			MΩ
Other parameters	Dielectric withstand voltage				625	Vpk(a.c.)

Environmental parameters

Item	Min	Max	Unit
Operating temperature	-40	125	°C
Storage temperature	-55	125	°C
Shock	500, 1		(m/s2), ms
Vibration (high frequency)	30, 50~2000		(m/s2)2, Hz

Circuit Diagram

Component	Parameters	Function
C1	0.1μF	Matching capacitance
D1	BAS21H	Used for ON/OFF monitoring
D2	MM3Z15V	Prevent VGS from exceeding the allowable maximum value of MOSFET
R1	10KΩ	Driving pin pull-down resistor
R2	10KΩ	Adjust OFF time
R3	10KΩ	Adjust ON time
R4	10KΩ	Adjust the opening threshold

Take driving IRPF4368PBF as an example, the parameters of peripheral circuit components are selected as follows, turn-on time: 200μs, turn-off time: 100μ

Pin Description

No.	Pin	Function	No.	Pin	Function
1	V+	Power input “+”	8	N_OUT2	2nd way N channel output
2	Fbk1	1st way ON/OFF feedback output	9	P_OUT2	2nd way P channel output
3	IN1	1st way Drive control signal input	10	JC2	2nd way Detection signal output
4	ISO_GND1	1st way Isolated voltage output “-”	11	ISO_GND2	2nd way Isolated voltage output “-”
5	JC1	1st way Detection signal output	12	IN2	2nd way Drive control signal input
6	P_OUT1	1st way P channel output	13	Fbk2	2nd way ON/OFF feedback output
7	N_OUT1	1st way N channel output	14	GND	Power input “-”