FPS Fairchild Power Switch Overview Topologies

1
FPS (Fairchild Power Switch)Overview (
Topologies Features)

• Fairchild Semiconductor
• Analog Mixed Signal Division
• San Jose, CA. Simon Oh
• Simonoh_at_fairchildsemi.com

2
Introduction
3
Fairchild Power Switch
4
Features and Advantages

• Features
• Optimal Solution for Off-Line SMPS
• Fully Avalanche rated and 100 tested SenseFET
• Pulse-by-Pulse Current Limiting
• Improved Reliability through Various Protection
  Functions
• (Over Voltage, Over Load, Over Current,
  Thermal Shutdown)
• Precision Fixed Operating Frequency
  (50/70/100KHz)
• Ability to synchronize with external signal helps
  eliminate screen noise (KA5S, FS6S series)
• Quasi Resonant Converter for low EMI and high
  efficiency (KA5Q series)
• Burst Mode Operation for low power consumption in
  standby mode (FS6S, FS6M, KA5Q series)
• Primary Side Regulation for cost-effectiveness
  with no external components (FS8S, KA5Q series)
• Soft Start Function (5-Lead Products)
• Advantages
• Reduced Boardspace (Simple Compact Circuit
  Design)
• Decreased Line Process and Field Failure
  RateEnhanced Productivity
• Broad Application Coverage with Extensive
  Expertise

5
Typical Internal Block Diagram
6
Available Packages
7
Target Application Field
8
Ordering Information
9
Contents

• Charger Application
• Auxiliary Power Supply

10
Charger Application Po lt 10W
FSDH565, FSDH0165, KA5L/M/H0165,
11
Fairchild Products for Charger System
A
Schottky Rectifier SS20-S210
Transformer
D
Vin AC 85265V 5060Hz

Line Filter Rectifier Diode DC Link Cap
P CH Dual MOSFET it is necessary to
prevent discharge current from Battery after
full charging
Load

Regulator Circuit to supply micom bias
reference
E
B
Li-Ion Battery Charging Control Part Constant
Current Constant Voltage Control
C
FPS
Sense FET
Control IC
MICOM
A
B
C
E
D

-Dual.Comparator KA393D -Dual. OP AMP
KA358 -Charging Controller FAN7563/4 -S/S
Transistor KSR1104,KSR1101 KST2222A,KST2907
KSR2102
P CH Dual MOSFET -FDS9933A(SO8) -SSD2011DY(8SOPS
EC)

• LDO(Adjustable)
• -KA78RL00
• (8SOP , SEC)
• KA431
• FAN7564

• PWM Control Part
• -KA5X0165RVN
• -FSDH0165

• Schottky Diode
• 1N5822
• Fast Recovery
• -UF4004

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FPS Introduction
? KA5X0165RV/RVN ( FPS for Charger )
?Description

• The KA5X0165RV series are High Voltage Power
  Switching Regulators that combine the required
  converter functions with allowing a simple power
  system solution for Charger and Auxiliary Power
  Supply
• ? Precision fixed operating frequency ( 50, 70,
  100kHz )
• ? Pulse by pulse current limiting
• ? Over load protection
• Internal thermal shutdown protection
• High reliability MOSFET 100 IAS Test
• Low start up current Max 170uA
• Low operating current Max 12mA
• Auto restart mode
• Vcc operation range 9V 32V

?Features
TO220F-4L
8-DIP
can provide constant current control at output is
0V
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Line up Status for Charger SMPS
Item
Fopr (KHz)
Ratings
Package
Target Po
Reference
Max Rds(on)
DVC
KA5H0165RVN
100kHz
10 ? Ids 0.5A
7 Watt
TOP223P
KA5M0165RVN
8 DIP
1A, 650V
70kHz
KA5L0165RVN
50kHz
KA5H0165RV
100kHz
10 ? Ids 0.5A
TOP223Y
KA5M0165RV
TO-220F-4L
1A, 650V
70kHz
12 Watt
KA5L0165RV
50kHz
Suffix R means Auto-restart Suffix V means
Non OVP Suffix N means 8DIP PKG
Comparison Table with TOPSwitch
14
Fairchild Solution for Charger System
Schottky Diode
Li-ion Battery



Schottky Diode
PWM Control Part
KA5X0165RVN KA5X0165RV FSDH0165 FSDH565
1N5822
Optocoupler
Charging Control Part
H11A817A
FAN7563/4
8-DIP
8-DIPH
TO220F-4L
8-SOP
14-SOP
15
Li-ion Battery



500k
Input Voltage AC 85265V 5060Hz
Feedback
F P S
10uF
Vcc Range of SPS 9V 32V
Vo
0.1uF
Io
Output Characteristic
The Vcc will be determined by Input Voltage
because of same dot position in transformer
Vcc is independent of output battery voltage
16
Features of the FSDH0165
The FSDH0165 is a optimal solution for low power
SMPS and a monolithic high voltage Power Switch
that combines the SenseFET(LDMOS) with PWM
controller 1 Chip 650V/1A Power Switch with
Internal Start up Switch UVLO, OLP, OTP and
Cycle by Cycle Current Limit
? Features - Under 0.3Watt Power
Consumption in Stand by Condition - New PKG
for Excellent Heat Radiation(8DIPH) -
Internal Start Up Switch - Voltage Mode
Control - Precision Fixed Operating Frequency
( 100kHz ) - Pulse By Pulse Current Limiting
- Under Voltage Lockout - Various
Protection Functions ( OLP, OCP, OTP ) -
Auto Restart Mode
1 Vstart 2 Vfb 3 GND 4 GND 5
GND 6 GND 7 Vcc 8 Drain
17
Internal Block Diagram
18
(No Transcript)
19
Application Circuit for FSDH0165
PWM
FAN7563
BCDMOS 1Chip
- Minimize the number of components
- Provide Total Solution for Charger SMPS
20
Transformer-less Buck Converter Using FSDH565
21
(No Transcript)
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Auxiliary SMPS Application Po lt 20W
KA5L/M/H0165, (TO-220F-4L) KA5M/H02659RN,
(8-DIP) KA5L/M/H0265R
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FPS Introduction
? KA5M02659RN, KA5H02659RN ( FPS
for Auxiliary Power Supply up to 12W,
Iover0.9A )
?Description

• The KA5X02659RN series are High Voltage Power
  Switching Regulators that combine the required
  converter functions with allowing a simple power
  system solution for Auxiliary Power Supply
• ? Precision fixed operating frequency (70, 100kHz
  )
• ? Pulse by pulse current limiting
• Over load protection
• Over voltage protection
• Internal thermal shutdown protection
• High reliability MOSFET 100 IAS Test
• Low start up current Max 170uA
• Low operating current Max 12mA
• Auto restart mode

?Features
TO220F-4L
8-DIP
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Line up Status for Auxiliary Power Supply
Item
Fopr (KHz)
Ratings
Package
Reference
Target Po
Max Rds(on)
DVC
100kHz
KA5H02659RN
6 ? Ids 0.5A
12 Watt
TOP224P
2A, 650V
8 DIP
70kHz
KA5M02659RN
KA5H0165R
100kHz
10 ? Ids 0.5A
TOP223Y
KA5M0165R
TO-220F-4L
1A, 650V
70kHz
12 Watt
KA5L0165R
50kHz
KA5H0265R
100kHz
10 ? Ids 0.5A
KA5M0265R
TOP224Y
TO-220F-4L
2A, 650V
70kHz
17 Watt
KA5L0265R
50kHz
Comparison Table with TOPSwitch
25
FPS for Charger
? KA5X0165RV/RVN ( FPS for Charger)
up to 10W for 8-DIP and 15W for TO-220F-4L)
?Description

• The KA5X0165RV series are High Voltage Power
  Switching Regulators that combine the required
  converter functions with allowing a simple power
  system solution for Charger and Auxiliary Power
  Supply
• ? Precision fixed operating frequency ( 50, 70,
  100kHz )
• ? Pulse by pulse current limiting
• ? Over load protection
• Internal thermal shutdown protection
• High reliability MOSFET 100 IAS Test
• Low start up current Max 170uA
• Low operating current Max 12mA
• Auto restart mode
• Vcc operation range 9V 32V

?Features
TO220F-4L
8-DIP
can provide constant current control at output is
0V
26
Basic Application Circuit using FPS
Output



500k
Input Voltage AC 85265V 5060Hz
Feedback
F P S
10uF
0.1uF

• High Reliability MOSFET 100 IAS Test
• Low Start up Current Max 170uA
• Low Operating Current Max 12mA

27
Construction of Charger
? Primary Side ? Simple application
circuit with smart power IC like FPS ? FPS,
TOPSwitch, Viper, TEA1401T, MC3334X ? Low
power consumption in stand-by condition ?
Secondary Side ? Need constant voltage
current control ? Stand-alone Type(Travel
Charger) ? Discrete solution with op-amps,
comparators, and shunt regulator ? Control IC
for exclusive use ? MCU Interfaced Type MCU
Control IC with MCU interface
1
28
General SMPS Application Po lt 250W
KA5P0680C, (TO-220F-5L) KA5M/H02659RN,
(8-DIP) KA5L/M/H0265R
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Introduction
? KA5P0680C
?Features

• Adjustable Switching Frequency 20 120 kHz
• Remote Control Function with power saving
• Internal Soft Start Function ( 5mS )
• ? Pulse by pulse current limiting
• Over load protection
• Over current protection
• Internal thermal shutdown protection
• High reliability MOSFET 100 IAS Test
• Low start up current Max. 200uA
• Low operating current Typ. 10mA

TO-220-5L
Suffix C indicates TO-220-5L PKG
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What is New ? - Power Saving Mode operation-

• Normal operation mode Vfb gt 0.7V, PWR saving
  mode Vfb lt 0.5V
• PWR Saving Mode - Turn-off of output switching
  
• - Decrease of operation current 10mA ?
  300uA
• - Internal function blocks are reset to
  the initial state

31
What is New ? - Adjustable Switching Frequency
-
5V output
From the auxiliary power
5V for Stand_by
1
3
Feedback Circuit
Feedback Circuit
1 Drain 2 Source 3 Vcc 4 Feedback 5
Frequency Control
KA5P0680
2
4
5
off on
Ct
Remote control signal

• Ct 202, fsw 50kHz, duty 67
• Ct 152, fsw 67kHz, duty 67
• Ct 122, fsw 82kHz, duty 67

32
Block Diagram of KA5P0680C
33
Features of FS6M-SERIES - FS6M07652RTC -
FS6M12653RTC
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Features of FS6M-SERIES - FS6M07652RTC -
FS6M12653RTC

• Fixed frequency(70Khz)
• Internal Burst mode Controller for Stand-by mode
  
• Pulse by pulse over current limiting
• Over current latch(Auto restart mode)
• Over load protection (Auto restart mode)
• Over voltage protection (Auto restart mode)
• Internal thermal shutdown function(Latch mode)
• Internal high voltage sense FET(Qfet)
• Under voltage lockout
• Soft start
• FS6M07652RTC ( Id(25Deg.7A, Iover3.0A,
  Rds(on)1.3 Ohm, Ibrst0.5A
• FS6M12653RTC (Id(25Deg.12A, Iover3.2A,
  Rds(on)0.73 Ohm, Ibrst0.6A

35
Why SPS(FS6M-SERIES) for LCD Monitor?

• Small space (Simple compact circuit design)
• Low peak current Low Rds,on
• (temperature problem current saturation
  problem)
• Improve reliability with various protection
  circuit
• (OLP, OVP, OCP, TSD)
• Burst Mode Operation for LCD Adaptor if
  (Vfblt1.0)
• Wide operating range of Vcc ( 9V 33V OVP
  33V )

? Simple Compact Circuit Design ?
Improving System Reliability ? Low Cost
Solution
36
How to use of Burst mode operation
Feedback control method ? Normal mode
Secondary Side Regulation ? DPMS
Primary Vcc Pin Control (1112V)/Burst
Mode Decrease Output Voltage ? Vout in
DPMS Decrease 40 ? No external
component No noise Problem ? Limit
Current (Ibrst0.50.6A) in Burst mode Operation
37
Power consumption of Burst
mode operation for DPMS

• Minimized Operating Current Voltage for PWM IC
  Operating
• ? Primary Regulation ( 11 - 12V )
• ? ½ Power loss for IC operating
• Reduce Output Voltages to the half voltages
• ? ½ Power loss for outputs
• Burst-Mode Operation
• ? Reduced Switching losses
• because of the burst switching
  frequency

Ids
Vcc
38
Block diagram of FS6M-SERIES
39
Demo board circuit for LCD monitor
40
Demo board circuit for Adaptor
41
Wave form of Vcc/Vds/Vo in the Burst mode
Vregout 1V/div
Vo1(12V) 2V/div
Vcc 5V/div
Vds 200V/div
Vo2(3.3V) 1V/div
Vcc / Vds wave form
Reg Vin/ Vout wave form
42
Power consumption at off-mode
Test Condition Vinput AC 240V
Test Set FS6M07652RTC Demo
board ?  Pin 2.96W ,
Pout 0.7W       3.3V ? 220?
/ 5V ?38 ? Vcc ? 19.5V
/12V ?10.5V ? Burst-mode Operation for
off-mode         Pin 1.74W ,
Pout 0.67W         3.3V ?
2.31V / 10.5V ? 7.03V
Vcc 19.5V ? 11??12
43
FS6M07652RTC Comparison Table
of Electrical Characteristics
44
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