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STR6A169HZ Datasheet Preview

STR6A169HZ Datasheet

Off-Line PWM Controller

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Off-Line PWM Controllers with Integrated Power MOSFET
STR6A100HZ Series
Data Sheet
Description
The STR6A100HZ series are power ICs for switching
power supplies, incorporating a MOSFET and a current
mode PWM controller IC.
The operation mode is automatically changed, in
response to load, to the fixed switching frequency, to the
switching frequency control, and to the burst oscillation
mode. Thus the power efficiency is improved.
The product achieves high cost-performance power
supply systems with few external components.
Features
Improving circuit efficiency (Since the step drive
control can keep VRM of secondary rectification
diodes low, the circuit efficiency can be improved by
low VF)
Current Mode Type PWM Control
Brown-In and Brown-Out Function
No Load Power Consumption, PIN < 25mW
Automatically changed operation mode in response to
load conditions
- Fixed switching frequency mode, 100 kHz (typ.) in
normal opetation.
- Green mode, 25 kHz (typ.) to 100 kHz (typ.) in
middle to light load.
- Burst oscillation mode in light loat.
Random Switching Function
Slope Compensation Function
Leading Edge Blanking Function
Bias Assist Function
Protections
- Two Types of Overcurrent Protection (OCP):
Pulse-by-Pulse, built-in compensation circuit to
minimize OCP point variation on AC input voltage
- Overload Protection with timer (OLP): Ato restart
- Overvoltage Protection (OVP): Latch shutdown
- Thermal Shutdown (TSD): Latch shutdown
Typical Application
VAC BR1
C1
ROCP
C4
RC
C3
PC1
T1
D51
RA
P
RB
U1
1 S/OCP
D/ST 8
2 BR
D/ST 7
3
GND
4
5
D2
FB/OLP VCC
STR6A100HZ
C2 D
C51
S
CY
TC_STR6A100xZ_1_R1
Package
DIP8
Not to Scale.
STR6A100HZ Series
Electrical Characteristics
fOSC(AVG) = 100 kHz
Products
MOSFET
VDSS(min.)
RDS(ON)(max.)
STR6A169HZ
6.0 Ω
STR6A161HZ
700 V
3.95 Ω
STR6A163HZ
2.3 Ω
Output Power, POUT*
Adapter
Products
AC230V
AC85
~265V
STR6A169HZ 17 W 11 W
Open frame
AC230V
AC85
~265V
30 W 19.5 W
STR6A161HZ 20.5 W 15 W 35 W 23.5 W
STR6A163HZ 25 W 20 W 40 W 28 W
* 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.
Application
White goods
Office Automation Equipment
Audio Visual Equipment
Industrial Equipment
Other Switched Mode Power Supplies
STR6A100HZ-DSJ Rev.1.0
SANKEN ELECTRIC CO.,LTD.
1
Mar. 25, 2016
http://www.sanken-ele.co.jp/en/
© SANKEN ELECTRIC CO.,LTD. 2014




Sanken

STR6A169HZ Datasheet Preview

STR6A169HZ Datasheet

Off-Line PWM Controller

No Preview Available !

STR6A100HZ Series
CONTENTS
Description ------------------------------------------------------------------------------------------------------ 1
1. Absolute Maximum Ratings----------------------------------------------------------------------------- 3
2. Electrical Characteristics -------------------------------------------------------------------------------- 4
3. Performance Curves -------------------------------------------------------------------------------------- 5
3.1. Derating Curves ------------------------------------------------------------------------------------- 5
3.2. MOSFET Safe Operating Area Curves --------------------------------------------------------- 6
3.3. Ambient Temperature versus Power Dissipation Curve ------------------------------------ 6
3.4. Transient Thermal Resistance Curves ---------------------------------------------------------- 7
4. Block Diagram --------------------------------------------------------------------------------------------- 8
5. Pin Configuration Definitions--------------------------------------------------------------------------- 8
6. Typical Application --------------------------------------------------------------------------------------- 9
7. External Dimensions------------------------------------------------------------------------------------ 10
8. Marking Diagram --------------------------------------------------------------------------------------- 10
9. Operational Description ------------------------------------------------------------------------------- 11
9.1. Startup Operation --------------------------------------------------------------------------------- 11
9.1.1. Without Brown-In / Brown-Out Function -------------------------------------------- 11
9.1.2. With Brown-In / Brown-Out Function-------------------------------------------------- 11
9.2. Undervoltage Lockout (UVLO) ---------------------------------------------------------------- 12
9.3. Bias Assist Function------------------------------------------------------------------------------- 12
9.4. Soft Start Function -------------------------------------------------------------------------------- 12
9.5. Constant Output Voltage Control-------------------------------------------------------------- 13
9.6. Leading Edge Blanking Function -------------------------------------------------------------- 14
9.7. Random Switching Function -------------------------------------------------------------------- 14
9.8. Step Drive Control -------------------------------------------------------------------------------- 14
9.9. Operation Mode ----------------------------------------------------------------------------------- 14
9.10. Brown-In and Brown-Out Function ----------------------------------------------------------- 15
9.10.1. DC Line Detection --------------------------------------------------------------------------- 15
9.10.2. AC Line Detection--------------------------------------------------------------------------- 16
9.11. Overcurrent Protection (OCP) ----------------------------------------------------------------- 16
9.11.1. Overcurrent Protection Operation------------------------------------------------------- 16
9.11.2. Input Compensation Function ------------------------------------------------------------ 17
9.12. Overload Protection (OLP)---------------------------------------------------------------------- 17
9.13. Overvoltage Protection (OVP) ------------------------------------------------------------------ 18
9.14. Thermal Shutdown (TSD) ----------------------------------------------------------------------- 18
10. Design Notes ---------------------------------------------------------------------------------------------- 18
10.1. External Components ---------------------------------------------------------------------------- 18
10.1.1. Input and Output Electrolytic Capacitor ----------------------------------------------- 19
10.1.2. S/OCP Pin Peripheral Circuit ------------------------------------------------------------ 19
10.1.3. BR Pin peripheral circuit ------------------------------------------------------------------ 19
10.1.4. FB/OLP Pin Peripheral Circuit ---------------------------------------------------------- 19
10.1.5. VCC Pin Peripheral Circuit--------------------------------------------------------------- 19
10.1.6. Snubber Circuit------------------------------------------------------------------------------ 19
10.1.7. Phase Compensation ------------------------------------------------------------------------ 19
10.1.8. Transformer ---------------------------------------------------------------------------------- 20
10.2. PCB Trace Layout and Component Placement --------------------------------------------- 20
11. Pattern Layout Example ------------------------------------------------------------------------------- 22
12. Reference Design of Power Supply ------------------------------------------------------------------ 23
IMPORTANT NOTES ------------------------------------------------------------------------------------- 25
STR6A100HZ-DSJ Rev.1.0
SANKEN ELECTRIC CO.,LTD.
2
Mar. 25, 2016
http://www.sanken-ele.co.jp/en/
© SANKEN ELECTRIC CO.,LTD. 2014


Part Number STR6A169HZ
Description Off-Line PWM Controller
Maker Sanken
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STR6A169HZ Datasheet PDF






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