KA1M0380 [FAIRCHILD]
Internal high voltage sense FET; 内部高压感FET
| 型号： | KA1M0380 |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | Internal high voltage sense FET |
| 文件： | 总4页 (文件大小：37K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
KA1M0380
BVdss
800V
Rds(on)
ID
5 W
3A
ABSOLUTE MAXIMUM RATINGS ( Ta = 25 OC , unless otherwise specified )
Characteristics
Value
Unit
Symbol
Drain - Source(GND) Voltage (1)
Drain - Gate Voltage (RGS =1MW) (1)
Gate - Source(GND) Voltage
Rise Time (2)
VDSS
VDGR
VGS
Tr
800
800
V
V
V
_
+
30
95
60
ns
ns
Fall Time (2)
Tf
Drain-Sourse Off State Leakage Current
( Vds = 0V, Vgs = 0V )
IDSS
uA
250
3.0
O
Continuous Drain Current (Tc = 25C)
ID
ADC
Supply Voltage
VCC
30
V
V
Analog Input Voltage Range
VFB
-0.3 ~ VSD
PD ( wt H/S)
Derating
20
W
W/ OC
Total Power Dissipation
0.28
OC
OC
Operating Temperature
Storage Temperature
TOPR
- 25 ~ + 85
- 55 ~ + 150
TSTG
O
Notes: (1) TJ = 25OC 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 )
O
( Ta = 25 C unless otherwise specified )
Characteristics
Min Typ Max
Unit
Test Conditions
Symbol
REFERENCE SECTION
Vref
Vref
Output Voltage
Ta = 25 OC
4.80 5.00 5.20
V
O
O
O
_ _
-25 C Ta +85 C Note1
< <
mV/ C
Temperature Stability
-
/ DT
0.3 0.6
OSCILLATOR SECTION
Ta = 25 OC
FOSC
Initial Accuracy
62 67
KHz
%
72
Frequency Change with
Temperature
O
O
_
+
5
_
_
_
+
DF / DT
10
-25 C Ta +85C
<
<
PWM SECTION
Maximum Duty Cycle
DMAX
62
67
72
%
FEEDBACK SECTION
Ta = 25OC ,
Vfb = 0
I FB
Feedback Source Current
Shutdown Delay Current
1
5
mA
uA
_
_
<
Idelay
5 V Vfb VSD
<
OVER CURRENT PROTECTION SECTION
IL(MAX)
1.5
1.8 2.2
Max. Inductor Current
After turn on
Over Current Protection
A
UVLO SECTION
Vth(H)
Vth(L)
Start Threshold Voltage
14
9
15
10
16
11
V
V
Minimum Operating Voltage
S P S
KA1M0380
ELECTRICAL CHARACTERISTICS ( Continued)
O
( Ta = 25 C unless otherwise specified )
Characteristics
Min Typ Max
Unit
Test Conditions
Symbol
TOTAL STANDBY CURRENT SECTION
IST
VCC = 14V
mA Ta = 25OC ,
Start up Current
0.25 0.4 mA
Operating Supply Current
( control part only )
IOPR
15
18
35
VZ
30
7
Vcc Zener Voltage
32.5
V
ICC = 20mA
SHUTDOWN SECTION
VSD
8.2
Shutdown Feedback Voltage
7.6
V
OC
T SD
ThermalShutdownTemperature(Tj)
150
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™
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
UHC™
VCX™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
FAST®
FASTr™
GTO™
HiSeC™
DISCLAIMER
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
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
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
Obsolete
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.
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.
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