FAIRCHILD KA1M0380

S P S
KA1M0380
FEATURES
TO-220F
- 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
1.GND 2.DRAIN 3.Vcc 4.FB
Part Number
BVdss
Rds(on)
ID
KA1M0380
800V
5Ω
3A
Ο
ABSOLUTE MAXIMUM RATINGS ( Ta = 25 C , unless otherwise specified )
Characteristics
Symbol
Value
Unit
Drain - Source(GND) Voltage (1)
Drain - Gate Voltage (RGS =1MΩ) (1)
Gate - Source(GND) Voltage
Rise Time (2)
Fall Time (2)
Drain-Sourse Off State Leakage Current
( Vds = 0V, Vgs = 0V )
VDSS
VDGR
VGS
Tr
Tf
800
800
_ 30
+
V
V
V
95
60
ns
ns
IDSS
250
uA
Continuous Drain Current (Tc = 25C)
ID
3.0
ADC
Supply Voltage
VCC
VFB
30
-0.3 ~ VSD
V
V
PD ( wt H/S)
20
W
Derating
0.28
W/ C
Operating Temperature
TOPR
- 25 ~ + 85
Storage Temperature
TSTG
- 55 ~ + 150
Ο
Analog Input Voltage Range
Total Power Dissipation
Ο
Ο
Ο
Ο
C
C
Ο
Notes: (1) TJ = 25 C to 150 C
(2) VDD = 400V, ID = Max. Rating, VGS = 10V
Rev. B
©1999 Fairchild Semiconductor Corporation
S P S
KA1M0380
ELECTRICAL CHARACTERISTICS ( Control part )
Ο
( Ta = 25 C unless otherwise specified )
Characteristics
Symbol
Min Typ Max Unit
Test Conditions
REFERENCE SECTION
Vref
Output Voltage
Vref/ ∆T Temperature Stability
4.80 5.00 5.20
V
Ο
0.6 mV/ C
-
0.3
62
67
72
_5
+
_ 10
+
%
67
72
%
Ο
Ta = 25 C
Ο
_ Ta <
_ +85 C
-25 C <
Ο
Note1
OSCILLATOR SECTION
FOSC
∆F
/ ∆T
Initial Accuracy
Frequency Change with
Temperature
Ο
KHz Ta = 25 C
Ο
_ Ta <
_ +85ΟC
-25 C <
PWM SECTION
DMAX
Maximum Duty Cycle
62
FEEDBACK SECTION
Ο
I FB
Feedback Source Current
1
mA
Idelay
Shutdown Delay Current
5
uA
Ta = 25 C ,
Vfb = 0
_ Vfb <
_ VSD
5 V<
OVER CURRENT PROTECTION SECTION
IL(MAX)
Over Current Protection
1.5
1.8
2.2
A
14
15
16
V
9
10
11
V
Max. Inductor Current
UVLO SECTION
Vth(H)
Vth(L)
Start Threshold Voltage
Minimum Operating Voltage
After turn on
S P S
KA1M0380
ELECTRICAL CHARACTERISTICS ( Continued)
Ο
( Ta = 25 C unless otherwise specified )
Symbol
Characteristics
Min Typ Max Unit
Test Conditions
TOTAL STANDBY CURRENT SECTION
IST
IOPR
VZ
0.25
0.4
mA VCC = 14V
15
18
mA
Ta = 25 C ,
30
32.5
35
V
ICC = 20mA
7
7.6
8.2
Start up Current
Operating Supply Current
( control part only )
Vcc Zener Voltage
Ο
SHUTDOWN SECTION
VSD
T SD
Shutdown Feedback Voltage
ThermalShutdownTemperature(Tj)
150
V
Ο
C
Note 1
Notes: (1) These parameters, although guaranteed,are not 100% tested in production
(2) In output section, the design target is the maximum current after current clamping
(3) These parameters, although guaranteed, are tested in EDS(wafer test) process.
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
FAST®
FASTr™
GTO™
HiSeC™
ISOPLANAR™
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POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
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FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
support device or system whose failure to perform can
systems which, (a) are intended for surgical implant into
be reasonably expected to cause the failure of the life
the body, or (b) support or sustain life, or (c) whose
support device or system, or to affect its safety or
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or
In Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.