EM8609A [ETC]
Transition Mode PFC Controller for LED Lighting; 过渡模式PFC控制器的LED照明
| 型号： | EM8609A |
| 厂家： | 
ETC |
| 描述： | Transition Mode PFC Controller for LED Lighting |
| 文件： | 总6页 (文件大小：149K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EM8609/A
Transition Mode PFC Controller for LED Lighting
General Description
EM8609/A is a voltage mode PFC controller
operating at transition mode.
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Leading Edge Blanking on CS Pin
Over Voltage Protection
This device provides protections of internal
soft start, over voltage protection, over current
protection and thermal shutdown. It can minimize
the external components counts, and makes the
design easy.
It also provides functions of low start up
current, disable function, under voltage lockout
and internal leading edge blanking of the current
sensing.
Cycle by Cycle Current Limiting
Feedback Open Protection
CS Open Protection
RT Open/Short Protection
2ms Soft-Start Current Limit
Thermal Shutdown
This part is available in SOP-8 package.
Applications
Ballast
Ordering Information
Package
ꢀ
Part Number
Remark
with AC Absent
function
ꢀ
General LED lighting
EM8609G
SOP-8
without AC Absent
function
Pin Configuration
EM8609AG
SOP-8
Features
ꢀ
ꢀ
ꢀ
ꢀ
Transition Mode PFC
Voltage Mode Control
Programmable Max. On-Time
Low Start Up Current (<30uA)
Typical Application Circuit
Fly-back Application
2012/07/19
Rev.A.0
嘉利源
科技 网址：www.jlytek.com/ 全先生 电话：15602907416 QQ;997974311
1
EM8609/A
Buck Application
Pin Assignment
Pin Name Pin No.
Pin Function
Io_SNS
COMP
RT
1
2
3
4
5
6
7
8
Output current feedback control
Output of the error amplifier for voltage loop compensation
Ramp generator, connecting a resistor to GND pin to set the saw tooth signal
Senses the peak current.
CS
ZCD
Detecting zero crossing of input signal
Ground.
GND
GATE
VCC
Gate drive output to drive the external MOSFET.
IC power supply pin.
2012/07/19
Rev.A.0
2
EM8609/A
Function Block Diagram
2012/07/19
Rev.A.0
3
EM8609/A
Absolute Maximum Ratings (Note 1)
ꢀ Supply Input Voltage, VCC ------------------------------------------------------------------- 32V
ꢀ Gate pin------------------------------------------------------------------------------------------- 32V
ꢀ other Pins ---------------------------------------------------------------------------------------- - 0.3V to 6V
ꢀ Power Dissipation, PD @ TA = 25C
ꢀ SOP8 ---------------------------------------------------------------------------------------------- 0.909W
ꢀ Package Thermal Resistance
ꢀ SOP-8 (Note 2), --------------------------------------------------------------------------------- 110°C /W
ꢀ Junction Temperature ------------------------------------------------------------------------ 150°C
ꢀ Lead Temperature (Soldering, 10 sec.) --------------------------------------------------- 260°C
ꢀ Storage Temperature Range ---------------------------------------------------------------- -65°C to 150°C
ꢀ ESD Susceptibility (Note3)
ꢀ HBM (Human Body Mode) ------------------------------------------------------------------ 2kV
ꢀ MM (Machine Mode) ------------------------------------------------------------------------- 200V
ꢀ Gate Output Current--------------------------------------------------------------------------- 500mA
Recommended Operating Conditions (Note4)
ꢀ Junction Temperature --------------------------------------------------------------------- -40°C to 125°C
ꢀ Ambient Temperature --------------------------------------------------------------------- -40°C to 85°C
ꢀ Supply Input Voltage, VCC -------------------------------------------------------------------- 12V to 16V
ꢀ VCC capacitor ------------------------------------------------------------------------------------ 4.7uF to 10uF
Electrical Characteristics
VCC=16V, TA=25℃, unless otherwise specified
Parameter
VCC Section
Symbol
Test Conditions
Min Typ
Max
Units
Start Up Current
VCC<UVLO (on)
20
uA
Operating Current
(CGATE=1nF)
2
mA
UVLO (OFF)
UVLO (ON)
12
16
V
V
15
17
30
VCC OVP Protect voltage
VOVP
26.5
28
V
Error Amplifier
Feedback input voltage, VREF
Trans-conductance
Output sink current
0.25
115
12
V
uS
uA
uA
V
VIo_SNS=VREF+0.1V
VIo_SNS=VREF-0.1V
VIo_SNS=VREF-0.1V
Output source current
Output upper clamp voltage
Burst mode hysteresis
-12
5.4
100
mV
2012/07/19
Rev.A.0
4
EM8609/A
Io_SNS Section
OVP threshold
0.35
0.4
0.45
V
V
OVP hysteresis
0.175
CS Section
IZCD < 100 uA
IZCD > 450 uA
VCS=0V~1V
0.5
0.35
Current sense input threshold
voltage
V
Input bias current
Leading edge blank time
ZCD section
1
uA
ns
350
Upper Clamp Voltage
Lower Clamp Voltage
IZCD=2mA
IZCD=-2mA
6.7
-0.7
1.4
0.7
V
V
V
Input voltage threshold
Hysteresis
VZCD=1V~5V, OUT=OFF
V
Input bias current
Max. delay from ZCD to OUT
RT Section
1
uA
ns
250
Max. On-Time voltage
Max. On-Time programming
Max. On-Time
RRT=20k
RRT=20k
RRT=100k
2.9
12
40
V
10
14
us
us
Min. Off-Time Section
Min. Off-Time
1.5
us
GATE Drive Output Section
Output low level
VCC=16V, ISINK=20mA
VCC=16V
0.5
V
V
Output high clamp level
Rising time
Falling time
12
35
25
VCC=16V, CL=1000pF
VCC=16V, CL=1000pF
ns
ns
Protection Section
Start time period
Soft Start Time
150
2
us
ms
ms
oC
VIN Absent Delay
OTP trip level
OTP hysteresis
EM8609
20
140
30
oC
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. θJA SOP-8 packages is 52°C /W on JEDEC 51-7 (4 layers,2S2P) thermal test board with 50mm2 copper area.
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
2012/07/19
Rev.A.0
5
EM8609/A
Ordering & Marking Information
Device Name: EM8609G for SOP-8
EM
8609
ABCDEFG
EM8609: Device Name
ABCDEFG: Date Code
Device Name: EM8609AG for SOP-8
EM
8609A
ABCDEFG
EM8609A: Device Name
ABCDEFG: Date Code
Outline Drawing
J
F
I
I
K
G
H
D
E
B
C
A
Dimension in mm
A
Dimension
B
C
D
E
F
G
H
I
J
K
Min.
4.70
3.70
5.80
0.33
1.20
0.08
0.40
0.19
0.25
0∘
Typ.
1.27
Max.
5.10
4.10
6.20
0.51
1.62
0.28
0.83
0.26
0.50
8∘
2012/07/19
Rev.A.0
6
相关型号：
©2020 ICPDF网 联系我们和版权申明