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FS6M12653RTC
Fairchild Power Switch(FPS)
Features
* * * * * * * * * * Fixed Frequency Internal Burst Mode Controller for Stand-by Mode Pulse By Pulse Over Current Limiting Over Current Protection(Auto Restart Mode) Over Voltage Protection (Auto Restart Mode) Over Load Protection(Auto Restart Mode) Internal Thermal Shutdown Function(Latch Mode) Under Voltage Lockout Internal High Voltage Sense FET Soft Start
Description
The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed oscillator, under voltage lock out, leading edge blanking, optimized gate turn-on/turn-off driver, thermal shut down protection, over voltage protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry. compared to discrete MOSFET and controller or RCC switching converter solution, a Fairchild Power Switch(FPS) can reduce total component count, design size, and weight and at the same time increase efficiency, productivity, and system reliability. It has a basic platform well suited for cost effective LCD monitor power supply.
TO-220F-5L
1
1. Drain 2. GND 3. VCC 4. Feedback 5. SoftStart
Internal Block Diagram
VCC Drain
3
Vref
OSC Vref Vfb Vth=1V Burst mode controller
1
SoftStart
5
Internal Bias
Vref UVLO
S Q
Ron
Vcc Vth=11V/12V
R
Roff PWM
Feedbock
4
Ifb
2.5R R Vcc Vfb Offset Rsenese Vref
Idelay OLP Vth=7.5V Vcc Vth=33V OVP
OCL
Filter (130nsec)
Vth=2V
2 GND
S
UVLO Reset (Vcc=9V)
Q
Q
S R
Power-on Reset (Vcc=6.5V)
TSD
(Tj=160 )
R
Rev.1.0.3
(c)2003 Fairchild Semiconductor Corporation
FS6M12653RTC
Absolute Maximum Ratings
(Ta=25C, unless otherwise specified) Characteristic Drain-Gate Voltage (RGS=1M) Gate-Source (GND) Voltage Drain Current Pulsed
(1)
Symbol VDGR VGS IDM ID ID
(2)
Value 650 30 21.2 5.3 3.4 27(960) 35 -0.3 to VCC -0.3 to 10 50 0.4 +150 -25 to +85 -55 to +150
Unit V V ADC ADC ADC A(mJ) V V V W W/C C C C
Continuous Drain Current (Tc = 25C) Continuous Drain Current (TC=100C) Single Pulsed Avalanche Current (Energy Maximum Supply Voltage Input Voltage Range Total Power Dissipation Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range
(3)
)
IAS(EAS) VCC, MAX VFB VSS PD(Watt H/S) Darting Tj TA TSTG
Notes: 1. Repetitive rating: Pulse width limited by maximum junction temperature 2. L=81mH, starting Tj=25C 3. L=13uH, starting Tj=25C
2
FS6M12653RTC
Electrical Characteristics (SFET part)
(Ta=25C unless otherwise specified) Parameter Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source On Resistance (1) Forward Transconductance Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn On Delay Time Rise Time Turn Off Delay Time Fall Time Total Gate Charge (Gate-Source+Gate-Drain) Gate-Source Charge Gate-Drain (Miller) Charge
Note: 1. Pulse test : Pulse width 300S, duty 2% 1 2. S = --R
(2)
Symbol BVDSS IDSS RDS(ON) gfs Ciss Coss Crss td(on) tr td(off) tf Qg Qgs Qgd
Condition VGS=0V, ID=250A VDS=650V, VGS=0V VDS=520V VGS=0V, TC=125C VGS=10V, ID=1.8A VDS=50V, ID=1.8A VGS =0V, VDS=25V, f = 1MHz VDD=325V, ID=6.5A (MOSFET switching time are essentially independent of operating temperature) VGS=10V, ID=6.5A, VDS=520V (MOSFET Switching time are Essentially independent of Operating temperature)
Min. 650 -
Typ. 0.73 1820 185 32 38 120 200 100 60 10 30
Max. 200 300 0.9 -
Unit V A A
S pF
nS
nC
3
FS6M12653RTC
Electrical Characteristics (Continued)
(Ta=25C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability Temperature Stability (2) Maximum Duty Cycle Minimum Duty Cycle FEEDBACK SECTION Feedback Source Current Shutdown Feedback Voltage Shutdown Delay Current SOFTSTART SECTION Softstart Voltage Softstart Current BURST MODE SECTION Burst Mode Low Threshold Voltage Burst Mode High Threshold Voltage Burst Mode Enable Feedback Voltage Burst Mode Peak Current Limit (4) Burst Mode Frequency Peak Current Limit (4) PROTECTION SECTION Over Voltage Protection Over Current Latch Voltage (3) Thermal Shutdown Temp (2) TOTAL DEVICE SECTION Start Up Current Operating Supply Current (1) ISTART IOP IOP(MIN) IOP(MAX) VFB = GND, VCC = 14V VFB = GND, VCC = 16V VFB = GND, VCC = 12V VFB = GND, VCC = 30V 10 15 mA 0.1 0.17 mA VOVP VOCL TSD VCC 29V 29 1.8 140 33 2.0 160 37 2.2 V V C VBURL VBURH VBEN IBURPK FBUR IOVER VFB = 0V VFB = 0V VCC = 10.5V VCC = 10.5V, VFB = 0V VCC = 10.5V, VFB = 0V 10.4 11.4 0.7 0.46 63 2.82 11.0 12.0 1.0 0.6 70 3.2 11.6 12.6 1.3 0.74 77 3.58 V V V A kHz A VSS ISS VFB = 2 VSS = V 4.7 0.8 5.0 1.0 5.3 1.2 V mA IFB VSD IDELAY VFB = GND VFB 6.9V VFB = 5V 0.7 6.9 3.2 0.9 7.5 4.0 1.1 8.1 4.8 mA V A FOSC FSTABLE FOSC DMAX DMIN 12V VCC 23V -25C Ta 85C 63 0 0 75 70 1 5 80 77 3 10 85 0 kHz % % % % VSTART VSTOP VFB = GND VFB = GND 14 8 15 9 16 10 V V
Symbol Condition Min. Typ. Max. Unit
CURRENT LIMIT(SELF-PROTECTION)SECTION
Notes: 1. These parameters are the current flowing in the Control IC. 2. These parameters, although guaranteed at the design, are not 100% tested in production. 3. These parameters, although guaranteed, are tested in EDS(wafer test) process. 4. These parameters indicate Inductor current.
4
FS6M12653RTC
Typical Performance Characteristics
0.150 [mA]
Start Up Current vs. Temp
11.0
[mA]
Operating Current vs. Temp
0.125
10.5
0.100
10.0
0.075
9.5
0.050 -25
0
25
50
75
100
125
150
9.0 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 1. Start Up Current vs. Temp
Figure 2. Operating Current vs. Temp
16.0 [V]
Start Threshold Voltage vs. Temp
10.0
[V]
Stop Threshold Voltage vs. Temp
15.5
9.5
15.0
9.0
14.5
8.5
14.0 -25
0
25
50
75
100
125
150
8.0 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 3. Start Threshold Voltage vs. Temp
Figure 4. Stop Threshold Voltage vs. Temp
[KHz] 76 74
Initial Freqency vs. Temp
81.0
[%]
Maximum Duty vs. Temp
80.5 72 70 68 79.5 66 64 -25 0 25 50 75 100 125 150 79.0 -25 0 25 50 75 100 125 150 80.0
Temp
Figure 5. Initial Freqency vs. Temp
Temp
Figure 6. Maximum Duty vs. Temp
5
FS6M12653RTC
Typical Performance Characteristics (Continued)
0.45 0.40 0.35
[V]
Feedback Offset Voltage vs. Temp
1.1
[mA] Feedback Source Current vs. Temp
1.0
0.9 0.30 0.25 0.20 -25 0.8
0
25
50
75
100
125
150
0.7 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 7. Feedback Offset Voltage vs. Temp
Figure 8. Feedback Source Current vs. Temp
4.8
[uA] ShutDown Delay Current vs. Temp
[V] ShutDown Feedback Voltage vs. Temp 7.60
4.4
7.55
4.0
7.50
3.6
7.45
3.2 -25
0
25
50
75
100
125
150
7.40 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 9. ShutDown Delay Current vs. Temp
Figure 10. ShutDown Feedback Voltage vs. Temp
5.02
[V]
Softstart Voltage vs. Temp
34.0
[V]
5.01
33.5
5.00
33.0 32.5
4.99
4.98 -25
0
25
50
75
100
125
150
32.0 -25
0
25
Temp
50 75 Temp
100
125
150
Figure 11. Softstart Voltage vs. Temp
Figure 12. Over Voltage Protection vs. Temp
6
FS6M12653RTC
Typical Performance Characteristics (Continued)
[V] 11.2
Burst Mode Low Voltage vs. Temp
12.2
[V]
Burst Mode High Voltage vs. Temp
11.1
12.1
11.0
12.0
10.9
11.9
10.8 -25
0
25
50
75
100
125
150
11.8 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 13. Burst Mode Low Voltage vs. Temp
Figure 14. Burst Mode High Voltage vs. Temp
[A] Burst Mode Peak Current vs. Temp 0.72 0.66 0.72 0.66
[A] Burst Mode Peak Current vs. Temp
0.60
0.60
0.54 0.48 -25
0.54 0.48 -25
0
25
50 75 Temp
100
125
150
0
25
50 75 Temp
100
125
150
Figure 15. Burst Mode Peak Current vs. Temp
Figure 16. Burst Mode Peak Current vs. Temp
7
FS6M12653RTC
Package Dimensions
TO-220F-5L
8
FS6M12653RTC
Package Dimensions (Continued)
TO-220F-5L(Forming)
9
FS6M12653RTC
Ordering Information
Product Number FS6M12653RTCTU FS6M12653RTCYDT
TU : Non Forming Type YDT : Forming Type
Package TO-220F-5L TO-220F-5L(Forming)
Marking Code 6M12653R C
BVdss 650V
Rds(on) 0.7
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 8/25/03 0.0m 001 Stock#DSxxxxxxxx 2003 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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