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SN03ACPA PDF даташит

Спецификация SN03ACPA изготовлена ​​​​«On-Bright» и имеет функцию, называемую «High Power Factor Flyback PWM Controller».

Детали детали

Номер произв SN03ACPA
Описание High Power Factor Flyback PWM Controller
Производители On-Bright
логотип On-Bright логотип 

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SN03ACPA Даташит, Описание, Даташиты
SN03A
High Power Factor Flyback PWM Controller
GENERAL DESCRIPTION
SN03A is a high power factor flyback PWM
controller special for lighting applications.
SN03A features an internal start-up timer for
stand-alone applications, an analog multiplier with
for power factor correction (PFC), zero current
detector (ZCD) to ensure TM operation, a current
sensing comparator with built-in leading-edge
blanking, and a totem pole output ideally suited for
driving a power MOSFET.
SN03A offers great protection coverage including
system VCC under voltage lockout (UVLO),VCC
over voltage protection, Cycle-by-cycle current
limiting, and gate drive output clamping for
external power MOSFET protection.
Product Specification
FEATURES
Low Start-up Current and Operating Current
Cycle-by-Cycle Current Limiting
Internal Leading Edge Blanking
Analog multiplier for Power Factor Correction
Internal Startup Timer for Stand-alone
Applications
Trimmed 1.5% Internal Band gap Reference
Under Voltage Lockout with Hysteresis
VCC over voltage protection
Transition Mode (TM) Operation
Totem Pole Output with High State Clamping
Audio Noise Free
11V to 32V wide range of VCC voltage
APPLICATIONS
Single Stage High PF Flyback AC/DC SMPS
LED Lighting Power
TYPICAL APPLICATION
©On-Bright Electronics
Confidential
-1-
Preliminary Datasheet
OB_DOC_DS_SN03A00









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SN03ACPA Даташит, Описание, Даташиты
GENERAL INFORMATION
Terminal Assignment
In SOP8 or DIP8 Package.
FB 1
8
VCC
COMP
2
7 GD
MULT
3
6 GND
CS 4
5 ZCD
Ordering Information
Part Number
SN03AAP
Description
8 Pin DIP, Pb free in Tube
SN03ACP
8 Pin SOP, Pb free in Tube
SN03ACPA
8 Pin SOP, Pb free in T&R
Package Dissipation Rating
Package
RθJA (/W)
DIP8
90
SOP8
150
SN03A
High Power Factor Flyback PWM Controller
Absolute Maximum Ratings
Symbol
VCC
Parameter
DC Supply
voltage
I_ZCD
Zero Current
Detector Max.
Current
CS
FB Analog inputs
COMP
& outputs
MULT
Maximum
Tj
Operating
Junction
Temperature
Min/Max
Tstg
Storage
Temperature
Lead
(Soldering,
Temperature 10secs)
Value
Vz
50mA(source)
-10mA(sink)
-0.3 to 7V
150
-55 to 150
260
Note: Stresses beyond those listed under “absolute
maximum ratings” may cause permanent damage to the
device. These are stress ratings only, functional operation of
the device at these or any other conditions beyond those
indicated under “recommended operating conditions” is not
implied. Exposure to absolute maximum-rated conditions for
extended periods may affect device reliability.
©On-Bright Electronics
Confidential
-2-
Preliminary Datasheet
OB_DOC_DS_SN03A00









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SN03ACPA Даташит, Описание, Даташиты
Marking Information
SN03A
High Power Factor Flyback PWM Controller
TERMINAL DESCRIPTIONS
Pin Num Pin Name
1 FB
2 COMP
3 MULT
4 CS
5 ZCD
6 GND
7 GD
8 VCC
I/O Description
I Input of error amplifier.
Output of error amplifier. A feedback network is placed between FB and
O the COMP pin. The voltage of COMP and pin 4 generate PWM duty
cycle.
Input of multiplier. Connected to line voltage after bridge diodes via a
I resistor divider to provide sinusoidal reference voltage to the current
loop.
I Current sense input pin. Connected to MOSFET current sensing node.
I
Zero Current Detection input. When activated, A new switching cycle
starts. If it is connected to GND, the device is disabled.
P Ground pin
O Gate driver output. Drive power MOSFET.
P DC supply voltage.
©On-Bright Electronics
Confidential
-3-
Preliminary Datasheet
OB_DOC_DS_SN03A00










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Номер в каталогеОписаниеПроизводители
SN03ACPHigh Power Factor Flyback PWM ControllerOn-Bright
On-Bright
SN03ACPAHigh Power Factor Flyback PWM ControllerOn-Bright
On-Bright

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