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PDF CRE6206 Data sheet ( Hoja de datos )
| Número de pieza | CRE6206 | |
| Descripción | PWM Controller of High-performance Current Mode | |
| Fabricantes | CRE Semiconductor | |
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CRE6206
PWM Controller of High-performance Current Mode
Product Specification
GENERAL DESCRIPTION
PWM controller o f h igh-performance current mode is
spe cially designed f or A C/DC t ransformer w ith h igh
performance and price ra tio, which supp lies cont inuous
output p ower o f 1 5W within the range of wide-voltage
between 85V and 265V , the ou tput po wer of pea k value
can be up to 18 W. The co mbination of optimized
reasonable circuit design and b ipolar fa cture te chnology
with h igh pe rformance and p rice ratio economizes the
whole cost ultimately. The power controller can be applied
to the typical fly-back cir cuit topo logy so as to fo rm a
simple AC/DC tr ansformer. When the output power is
lower, IC will reduce the w orking frequency automatically,
therefore, the standby pow er con sumption be comes
extremely low. When the power tube is closed, the interior
circuit will bias it reversely, utilize the characteristic of high
pressure resistance CB of b ipolar transistor d irectly, and
impr ove its pressure resistan ce capacity to the h igh
voltage of 800 V, which ensures the security of the power
tube.
.
Meanwh ile, th e per fect funct ion of overload and
saturation prevention is p rovided in side of IC, which can
keep aw ay some abnor mal statu s, su ch as overload,
saturation of transformer, and output short circuit, so as to
improve the r eliability of the power supply. The cur rent
limit and clo ck f requen cy can be set up by exte rior
component s.
.
Now the standard en capsulation and the en vironmental
protection leadless encapsulation that mee ts European
standard of DIP8 are supplied .
.
FEATURES
Set-in h igh-voltage pow er switch tube o f 800V and few
peripheral co mponents.
.
With the modulation of lock pu lse width, the testing is
according to the pu lse lim it cu rrent.
.
With the function of output frequency reduction, the non-
output p ower c onsumption can b e less than 0.3 W.
Inner -bu ilt ram p and anti-feedback co mpen sat ion
fun ction.
.
The independent upper-limit cu rrent testing controller
deals with over-current and o ver-load of the controller real-
timel y.
.
The period emission pole is turned o ff and it outpu ts by
deflected voltage, and the pressure resistance of the power
tube is im proved.
.
Set-in curren t lim it r esistance with te mpe rature.
compensat ion, which ma kes the cu rrent lim it precise .
Set-in hea t protection circuit.
.
Startup is a ccomplished w ith the magnification function
of the switch pow er tube , and the power consumption of
startup resistance is reduced more than 10 times.
.
Few pe ripheral components.
.
Low startup and ope rating current.
.
VCC ov er-voltage automatic limit.
.
Continuou s w ide-voltage ou tput pow er reaches 15W,
and the outp ut p ower of peak value a rrives at 18 W.
Compatible w ith THX203/RM6206 .
.
APPLICATIONS
Adaptor (for example, t ravel charger, o ut
power station)
.
Open F rame ( such as electromagnetic o ven,
microwave oven and etc.)
.
CRE Semicondutor Inc.
(1)
http://www.Datasheet4U.com
1 page  
CRE6206
PWM Controller of High-performance Current Mode
ELECTRICAL CHARACTERISTICS
(TA = 25C, VCC = 5.5-5.7V, Ct=680pF, RS=1ohm , if not otherwise noted)
PARAMETER
Symbol
TEST CONDITIONS
Output Section
Max withstanding voltage of the switching
tube
I-OC=10mA
Saturation voltage
Vsat
I-OC=250mA
Output Rise time
Output Fall time
Output limiting current
TR CL=1nF
TF CL=1nF
TJ=0—100℃
Reference Section
Reference Output voltage
Line Regulation
VREF
Io=1.0mA
VCC=6.5—9V
Load Regulation
Io=0.1mA—1.2mA
Temperature stability
Output noise voltage
Long Term stability
F=10HZ—10KHZ
1000hour@85℃
Oscillator Section
Oscillating Frequency
F_OSC
CT=680pF
Voltage stability
VCC=6.5-9V
Temperature stability
Ta=0-85℃
Oscillator Amplitude (VP-P)
Feedback Section
Input
impedance
Pull up Current
Pull down Resistor
FB=2.5V,IS=0
Power Supply Suppression Ratio
VCC=6.5-9V
PWM Section
Maximum Duty Ratio
D_max
Minimum Duty Ratio
D_min
Power Supply Current Section
Initiation Reception Current
Initiation Static Current
Static Current
Start up voltage
Oscillator turn off voltage
Re-enabling voltage
Over Voltage limiting Threshold
IQ VCC=8V
Product Specification
MIN TYPE MAX UNIT
800 V
1V
75 ns
75 ns
250 270 290 mA
2.4 2.5 2.6
V
2 20 mV
3%
0.2 mV/℃
50 uV
5 mV
55 61 67 KHZ
1%
1%
2.2 V
0.55
0.60
30
60
0.65
70
mA
KΩ
dB
53 57 61 %
3.5 %
1.6
2.4 3.2
mA
55 80
uA
2.8
3.0 3.2
mA
8.6 8.8 9.0
V
4.4 4.6 4.8
V
3.6 3.8 4.0
V
9.5 10 10.5 V
NOTE:
The CRE6206is guaranteed to meet performance specifications from 0℃ to 70℃. Specifications over the -40℃ to 85℃
operating temperature range are assured by design, characterization and correlation with statistical process controls.
CRE Semicondutor Inc.
(5)
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CRE6206.PDF ] | |
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