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STR5A100D 반도체 회로 부품 판매점

Primary Side Regulation Off-Line PWM Controllers



SANKEN 로고
SANKEN
STR5A100D 데이터시트, 핀배열, 회로
Primary Side Regulation
Off-Line PWM Controllers with Integrated Power MOSFET
STR5A100D Series
General Descriptions
The STR5A100D series is power IC with primary side
regulation for switching power supplies, incorporating a
sense MOSFET and a current mode PWM controller IC.
Employing the Primary Side Regulation, the product
achieves power supply systems with few external
components. Including a startup circuit and a standby
function in the controller, the product achieves the low
standby power by the automatic switching between the
PWM operation in normal operation and the
burst-oscillation under light load conditions. The rich set
of protection features helps to realize low component
counts, and high performance-to-cost power supply.
Features
Primary Side Regulation
Constant Voltage (CV), Constant Current (CC) Control
Auto Standby Function
No Load Power Consumption < 30mW
Operation Mode
Normal Operation -------------------------- PWM Mode
Light Load Operation ----------------------Green-Mode
Standby------------------------- Burst Oscillation Mode
Build-in Startup Circuit
(reducing power consumption at standby operation,
shortening the startup time)
Current Mode Type PWM Control
Random Switching Function
Leading Edge Blanking Function
Soft Start Function (reducing the stress of power
MOSFET and secondary side rectifier diode at startup)
Protections
Overcurrent Protection (OCP)------------Pulse-by-Pulse
Overvoltage Protection (OVP) ------------- Auto-Restart
Thermal Shutdown Protection (TSD) ----- Auto-Restart
Package
DIP8
FB 1
VCC 2
D/ST 4
Not to scale
8 COMP
7 S/GND
6 S/GND
5 S/GND
Lineup
Electrical Characteristics
VD/ST(max.) = 730 V
fOSC(AVG)(typ.) = 65 kHz
Products
RDS(ON) (max.)
STR5A162D
24.6 Ω
STR5A164D
13 Ω
IDLIM(H)
0.285 A
0.41 A
Output Power, POUT*
Products
Adapter
AC85
AC230V ~265V
STR5A162D 4 W 3.5 W
Open frame
AC85
AC230V ~265V
5 W 4.5 W
STR5A164D 6.0 W 5.5 W 8.5 W 7 W
* The EI-16 core of transformer is assumed. The output power is
actual continues power that is measured at 50 °C ambient. The
peak output power can be 120 to 140 % of the value stated here.
Core size, ON Duty, and thermal design affect the output power.
It may be less than the value stated here.
Typical Application Circuit
VAC
C6
BR1 L1
C1 C2
U1
S/GND
5
D/ST
4
S/GND
6
S/GND
7
VCC
2
C5
COMP
R7 8
FB 1
STR5A100D
C3 R1
R2
D1
T1 D50
VOUT
(+)
R51 C51
P
S1
C52 R52
D2 R6
C4
R3 D
R4
R5
(-)
Applications
White Goods
Other SMPS
STR5A100D-DS Rev.1.3
Aug. 08, 2014
SANKEN ELECTRIC CO.,LTD.
http://www.sanken-ele.co.jp/en/
1


STR5A100D 데이터시트, 핀배열, 회로
STR5A100D Series
CONTENTS
General Descriptions----------------------------------------------------------------------- 1
1. Absolute Maximum Ratings--------------------------------------------------------- 3
2. Recommended Operating Conditions --------------------------------------------- 3
3. Electrical Characteristics ------------------------------------------------------------ 3
4. Performance Curves ------------------------------------------------------------------ 5
5. Functional Block Diagram----------------------------------------------------------- 6
6. Pin Configuration Definitions------------------------------------------------------- 6
7. Typical Application Circuit --------------------------------------------------------- 6
8. Package Outline------------------------------------------------------------------------ 7
9. Marking Diagram --------------------------------------------------------------------- 7
10. Operational Description-------------------------------------------------------------- 8
10.1 Startup Operation ------------------------------------------------------------ 8
10.2 Undervoltage Lockout (UVLO) ------------------------------------------- 8
10.3 Auxiliary Winding------------------------------------------------------------ 8
10.4 Soft Start Function ----------------------------------------------------------- 9
10.5 Primary Side Regulation (PSR) ------------------------------------------- 9
10.6 Constant Voltage (CV) Control ------------------------------------------ 10
10.7 Constant Current (CC) Control ------------------------------------------ 10
10.8 Leading Edge Blanking Function ---------------------------------------- 11
10.9 Random Switching Function ---------------------------------------------- 11
10.10 Auto Standby Function----------------------------------------------------- 11
10.11 Overcurrent Protection Function (OCP) ------------------------------- 11
10.12 Overvoltage Protection (OVP)-------------------------------------------- 12
10.13 Thermal Shutdown Protection (TSD) ----------------------------------- 12
11. Design Notes --------------------------------------------------------------------------- 13
11.1 External Components------------------------------------------------------- 13
11.2 PCB Trace Layout and Component Placement ----------------------- 15
12. Pattern Layout Example ------------------------------------------------------------ 17
13. Reference Design of Power Supply ----------------------------------------------- 18
OPERATING PRECAUTIONS -------------------------------------------------------- 20
IMPORTANT NOTES ------------------------------------------------------------------- 21
STR5A100D-DS Rev.1.3
Aug. 08, 2014
SANKEN ELECTRIC CO.,LTD.
2




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STR5A100D controller

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Primary Side Regulation Off-Line PWM Controllers - SANKEN