# KA1M0380 Product Summary

## Features

· Precision fixed operating frequency (70KHz)
· Pulse by pulse over current limiting
· Over load protection
· Internal thermal shutdown function
· Under voltage lockout
· Internal high voltage sense FET
· Low start up current (< 0.4mA)

## Product Summary

Part Number	BVdss	Rds(on)	I<br>D
KA1M0380	800V	5 Ω	3A

## Absolute Maximum Ratings (Ta = 25 Ο C)

Characteristics	Symbol	Value	Unit
Drain - Source Voltage	VDSS	800	V
Drain - Gate Voltage	VDGR	800	V
Gate - Source Voltage	VGS	30	V
Rise Time	Tr	95	ns
Fall Time	Tf	60	ns
Drain-Source Leakage Current (Vds=0V, Vgs=0V)	IDSS	250	uA
Continuous Drain Current (Tc = 25 ΟC)	ID	3.0	ADC
Supply Voltage	VCC	30	V
Analog Input Voltage Range	VFB	-0.3 ~ VSD	V
Total Power Dissipation	PD (wt H/S), Derating	20, 0.28	W, W/ΟC
Operating Temperature	TOPR	- 25 ~ + 85	ΟC
Storage Temperature	TSTG	- 55 ~ + 150	ΟC

## Electrical Characteristics (Control Part)

Symbol	Characteristics	Min	Typ	Max	Unit	Test Conditions
Reference Section	Output Voltage	4.80	5.00	5.20	V	Ta = 25 ΟC
Temperature Stability	-	0.3	0.6	mV/ΟC	-25 ~ +85 ΟC
Initial Accuracy	62	67	72	KHz	Ta = 25 ΟC
Frequency Change with Temperature		5, +10	%	-25 ~ +85 ΟC
Maximum Duty Cycle	62	67	72	%
Feedback Source Current		1		mA	Ta = 25 ΟC, Vfb = 0
Shutdown Delay Current		5		uA	5 V Vfb VSD
Over Current Protection	1.5	1.8	2.2	A	Max. Inductor Current
Start Threshold Voltage	14	15	16	V
Minimum Operating Voltage	9	10	11	V	After turn on
Vcc Zener Voltage	30	32.5	35	V	ICC = 20mA
Shutdown Feedback Voltage	7	7.6	8.2	V
Thermal Shutdown Temperature	150		ΟC

## Product Status

Datasheet Identification	Product Status	Definition
Advance Information	Formative or In Design	Design specifications subject to change.
Preliminary	First Production	Preliminary data, subject to change.
No Identification Needed	Full Production	Final specifications, subject to change.
Obsolete	Not In Production	For reference only.