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SD7530 PDF даташит

Спецификация SD7530 изготовлена ​​​​«Silan Microelectronics» и имеет функцию, называемую «HIGH POWER FACTOR FLYBACK PWM CONTROLLER».

Детали детали

Номер произв SD7530
Описание HIGH POWER FACTOR FLYBACK PWM CONTROLLER
Производители Silan Microelectronics
логотип Silan Microelectronics логотип 

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SD7530 Даташит, Описание, Даташиты
SD7530_Datasheet
HIGH POWER FACTOR FLYBACK PWM CONTROLLER
DESCRIPTION
SD7530 is a high power factor flyback PWM controller special for
LED lighting applications.
SD7530 features a high performance analog multiplier for power
factor correction (PFC), zero current detector (ZCD) to ensure TM
operation. It integrates a current sensing comparator with built-in
leading-edge blanking, and a totem-pole output stage capable of
-600mA /800mA current suited for big MOSFET.
SD7530 has a built-in soft-start circuit to avoid the over voltage
output under light load start, reduce MOSFET’s voltage stress,
and improve circuit’s reliability.
SD7530 has a built-in output short-circuit protection circuit, in this
way the current of the system is considerably reduced to avoid the APPLICATIONS
damage to IC.
SD7530 includes VCC under voltage lockout, VCC over voltage
* LED Daylight lamp
protection, and over temperature protection, etc.
FEATURES
* Transition Mode (TM) operation
* High-performance analog multiplier
* Built-in restart timer
* Integrate digital LEB
* Low start-up current (5μA)
* Audio noise free
* Built-in soft start circuit
* Very low power dissipation of output short-circuit protection
(SCP)
* VCC under vltage lockout with hysteresis (UVLO)
* VCC over-voltage protection (VCCOVP)
* Over temperature protection (OTP)
ORDERING INFORMATION
Part No.
SD7530S
SD7530STR
Package
SOP-8-225-1.27
SOP-8-225-1.27
Marking
SD7530S
SD7530S
Material
Halogen free
Halogen free
Packing
Tube
Tape&Reel
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1
2013.07.24
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SD7530 Даташит, Описание, Даташиты
Silan
Microelectronics
SD7530_Datasheet
BLOCK DIAGRAM
5 ZCD
CLAMP
1.1V/0.25V
VCC
UVLO
VCC 8
17.5V/9.0V VCC
OVP
4 CS
LEB
COMPA
LOGIC
CONTRL
GATE
DRIVE
OUT 7
MULTIPLIER
3 MULT
GND
6
SOFT
START
COMP
2
OTP
SCP
ERROR
AMP
VREF
INV 1
ABSOLUTE MAXIMUM RATINGS
Characteristics
Supply voltage (ICC<20mA)
Peak drive output current
Voltage on analog input and output pins
Maximum current of zero current detector
Power dissipation (ambient temperature:
50°C)
Operating temperature range
Storage temperature range
Junction temperature
Thermal resistance from chip surface to
the ambient
Symbol
VCC
IOH/IOL
-
-
Pdiss
Tamb
Tstg
Tj
Rth(j-a)
Rating
40
-600/800
-0.3 ~ 8
±10
0.65
-40~+120
-55~+150
+150
150
Unit
V
mA
V
mA
W
°C
°C
°C
°C/W
°C/W
ELECTRICAL CHARACTERISTICS(Unless otherwise stated, VCC=22VCO=1nF-25°C<Tamb<125°C)
Characteristics
Power supply
Operating voltage range
Turn-on threshold
Turn-off threshold
Hysteresis voltage
Symbol
Test condition
VCC
VCCon
VCCoff
VCChys
After start-up
*
*
Min. Typ. Max.
Unit
10.5 --
32
16.5 17.5 18.5
8.0 9.0 10.0
-- 8.5 --
V
V
V
V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1
2013.07.24
Page 2 of 10









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SD7530 Даташит, Описание, Даташиты
Silan
Microelectronics
SD7530_Datasheet
Characteristics
Symbol
Test condition
Clamp voltage
VCC OVP
Supply current
Vz
VCCovp
ICC=20mA
Start current
Quiescent current
Operating current
Multiplier
IST Before start-up, VCC=15V
IQ No switch
ICC f=70kHz
Input bias current
Input voltage range
Gain **
Maximum output slope
Error amplifier
IMULT
VMULT
K
ΔVCS
ΔVMULT
VMULT = 0 ~ 4V
Linear operation range
VMULT=1V, VCOMP=4V
VMULT=0 ~ 1V
VCOMP=upper clamp voltage
Voltage feedback input
threshold
VREF
Linear regulation
-
Input bias current
IINV
Voltage gain
GV
Gain bandwidth product
GB
Source current
ICOMP
Sink current
ICOMP
Upper clamp voltage
VCOMP
Lower clamp voltage
VCOMP
Current sense comparator
Tamb=25°C
10.5V< VCC <32V *
VCC =10.5V~ 32V
VINV = 0 ~ 3V
Open loop
VCOMP=4V, VINV=2.4V
VCOMP=4V, VINV=2.6V
Isource=0.5mA
Isink=0.5mA *
Input bias current
Delay to output
Current sense clamp
Current sense offset
Zero current detector
ICS
td(H-L)
VCS
Voffset
VCS=0V
VCOMP=Upper clamp
VMULT=1.5V
VMULT=0V
VMULT=2.5V
Input bias current
Detect threshold
Detect hysteresis
IZCD
Vth(det)
HY(det)
VZCD=1 ~ 4.5V
VZCD rise ***
VZCD fall ***
***
Upper clamp voltage
Lower clamp voltage
Source current capability
Sink current capability
Restart timer
VZCD
VZCD
Isrc
Isnk
IZCD=2.5mA
IZCD=-2.5mA
Restart timer period
td(rst)
Min.
--
32
Typ.
40
34
Max.
--
36
Unit
V
V
-- 5 10 μA
-- 4 6 mA
-- 5 7 mA
-- -- -1
0~3 --
--
0.32 0.38 0.44
1.0 1.1
--
μA
V
1/V
V/V
2.45 2.5 2.55
2.44 -- 2.56
-- 2 5
-- -- -1
60 80
--
-- 1 --
-2 -3.5 -5
4 5.5 7
5.0 6.0 6.5
2.0 2.25 2.4
V
mV
μA
dB
MHz
mA
mA
V
V
-- -- -1
-- 200 400
1.0 1.08 1.16
-- 25 --
-- 5 --
μA
ns
V
mV
-- 2 --
-- 1.1 --
-- 0.25 --
-- 0.85 --
6.3 6.8 7.3
-0.3 0 0.3
-2.5 --
--
2.5 --
--
μA
V
V
V
V
V
mA
mA
31 38 45
μs
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.1
2013.07.24
Page 3 of 10










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