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FSGM0565RB — Green-Mode Fairchild Power Switch (FPS™)
March 2010
FSGM0565RB
Green-Mode Fairchild Power Switch (FPS™)
Features
Soft Burst-Mode Operation for Low Standby Power
Consumption and Low Noise
Precision Fixed Operating Frequency: 66kHz
Pulse-by-Pulse Current Limit
Various Protection Functions: Overload Protection
(OLP), Over-Voltage Protection (OVP), Abnormal
Over-Current Protection (AOCP), Internal Thermal
Shutdown (TSD) with Hysteresis, Output-Short
Protection (OSP), and Under-Voltage Lockout
(UVLO) with Hysteresis
Auto-Restart Mode
Internal Startup Circuit
Internal High-Voltage SenseFET: 650V
Built-in Soft-Start: 15ms
Description
The FSGM0565RB is an integrated Pulse Width
Modulation (PWM) controller and SenseFET specifically
designed for offline Switch-Mode Power Supplies
(SMPS) with minimal external components. The PWM
controller includes an integrated fixed-frequency
oscillator, Under-Voltage Lockout (UVLO), Leading-
Edge Blanking (LEB), optimized gate driver, internal
soft-start, temperature-compensated precise current
sources for loop compensation, and self-protection
circuitry. Compared with a discrete MOSFET and PWM
controller solution, the FSGM series can reduce total
cost, component count, size, and weight; while
simultaneously increasing efficiency, productivity, and
system reliability. This device provides a basic platform
suited for cost-effective design of a flyback converter.
Applications
Power Supply for LCD TV and Monitor, STB and DVD
Combination
Ordering Information
Part Number
Output Power Table
Operating
Current R
DS(ON)
230V
AC
± 15%
(3)
85-265V
AC
Package
Junction
Limit (Max.)
Open
(4)
Open
(4)
Temperature
Adapter
(5)
Adapter
(5)
Frame
Frame
TO-220F
6-Lead
(1)
W-
Forming
TO-220F
6-Lead
(1)
U-Forming
FSGM0565RBLDTU
TO-220F
6-Lead
(1)
L-Forming
-40°C
~
+125°C
3.00A
2.2Ω
70W
80W
41W
60W
(2)
Replaces
Device
FSGM0565RBWDTU
FSDM0565RE
FSGM0565RBUDTU
-40°C
~
+125°C
3.00A
2.2Ω
70W
80W
41W
60W
FSDM0565RE
-40°C
~
+125°C
3.00A
2.2Ω
70W
80W
41W
60W
FSDM0565RE
Notes:
1. Pb-free package per JEDEC J-STD-020B.
2. The junction temperature can limit the maximum output power.
3. 230V
AC
or 100/115V
AC
with voltage doubler.
4. Typical continuous power in a non-ventilated enclosed adapter measured at 50°C ambient temperature.
5. Maximum practical continuous power in an open-frame design at 50°C ambient temperature.
© 2010 Fairchild Semiconductor Corporation
FSGM0565RB • Rev. 1.0.0
www.fairchildsemi.com
FSGM0565RB — Green-Mode Fairchild Power Switch (FPS™)
Application Circuit
Figure 1. Typical Application Circuit
Internal Block Diagram
Figure 2. Internal Block Diagram
© 2010 Fairchild Semiconductor Corporation
FSGM0565RB • Rev. 1.0.0
www.fairchildsemi.com
2
FSGM0565RB — Green-Mode Fairchild Power Switch (FPS™)
Pin Configuration
6. V
STR
5. N.C.
4. FB
3. V
CC
2. GND
1. Drain
FSGM0565RB
Figure 3. Pin Configuration (Top View)
Pin Definitions
Pin #
1
2
3
Name
Drain
GND
V
CC
Description
SenseFET Drain.
High-voltage power SenseFET drain connection.
Ground.
This pin is the control ground and the SenseFET source.
Power Supply.
This pin is the positive supply input, which provides the internal operating
current for both startup and steady-state operation.
Feedback.
This pin is internally connected to the inverting input of the PWM comparator.
The collector of an opto-coupler is typically tied to this pin. For stable operation, a capacitor
should be placed between this pin and GND. If the voltage of this pin reaches 6V, the
overload protection triggers, which shuts down the FPS.
No Connection.
Startup.
This pin is connected directly, or through a resistor, to the high-voltage DC link.
At startup, the internal high-voltage current source supplies internal bias and charges the
external capacitor connected to the V
CC
pin. Once V
CC
reaches 12V, the internal current
source (I
CH
) is disabled.
4
5
6
FB
N.C.
V
STR
© 2010 Fairchild Semiconductor Corporation
FSGM0565RB • Rev. 1.0.0
www.fairchildsemi.com
3
FSGM0565RB — Green-Mode Fairchild Power Switch (FPS™)
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device
reliability. The absolute maximum ratings are stress ratings only.
Symbol
V
STR
V
DS
V
CC
V
FB
I
DM
I
DS
E
AS
P
D
T
J
T
STG
V
ISO
ESD
V
STR
Pin Voltage
Drain Pin Voltage
V
CC
Pin Voltage
Feedback Pin Voltage
Drain Current Pulsed
Parameter
Min.
Max.
650
650
26
Unit
V
V
V
V
A
A
A
mJ
W
°C
°C
°C
kV
kV
-0.3
12.0
11
Continuous Switching Drain Current
Single Pulsed Avalanche Energy
(7)
(6)
T
C
=25°C
T
C
=100°C
5.6
3.4
295
45
150
-40
-55
+125
+150
Total Power Dissipation (T
C
=25°C)
Maximum Junction Temperature
Operating Junction Temperature
Storage Temperature
Minimum Isolation Voltage
Electrostatic
Discharge Capability
(10)
(9)
(8)
2.5
2
2
Human Body Model, JESD22-A114
Charged Device Model, JESD22-C101
Notes:
6. Repetitive peak switching current when the inductive load is assumed: Limited by maximum duty (D
MAX
=0.75)
and junction temperature
(see Figure 4).
7. L=45mH, starting T
J
=25°C.
8. Infinite cooling condition
(refer to the SEMI G30-88).
9. Although this parameter guarantees IC operation, it does not guarantee all electrical characteristics.
10. The voltage between the package back side and the lead is guaranteed.
I
DS
D
MAX
f
SW
Figure 4. Repetitive Peak Switching Current
Thermal Impedance
T
A
=25°C unless otherwise specified.
Symbol
θ
JA
θ
JC
Parameter
Junction-to-Ambient Thermal Impedance
Junction-to-Case Thermal Impedance
(12)
(11)
Value
62.5
3
Unit
°C/W
°C/W
Notes:
11. Infinite cooling condition
(refer to the SEMI G30-88).
12. Free standing with no heat-sink under natural convection.
© 2010 Fairchild Semiconductor Corporation
FSGM0565RB • Rev. 1.0.0
www.fairchildsemi.com
4
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