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KA1M0965RYDTU Datasheet PDF - Fairchild

Part Number KA1M0965RYDTU
Description Fairchild Power Switch(FPS)
Manufacturers Fairchild 
Logo Fairchild Logo 
Preview
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KA1M0965RYDTU datasheet, circuit
KA1M0965R
Fairchild Power Switch(FPS)
www.fairchildsemi.com
Features
• Precision Fixed Operating Frequency (67kHz)
• Pulse by Pulse Over Current Limiting
• Over Load Protection
• Over Voltage Protection (Min. 23V)
• Internal Thermal Shutdown Function
• Under Voltage Lockout
• Internal High Voltage Sense FET
• Auto Restart
• 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
controller IC. 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, temperature compensated
precision current sources for loop compensation and fault
protection circuit. compared to discrete MOSFET and
controller or RCC switching converter solution, a Fairchild
Power Switch(FPS) can reduce total component count,
design size, weight and at the same time increase &
efficiency, productivity, and system reliability. It has a basic
platform well suited for cost effective design in either a
flyback converter or a forward converter.
TO-3P-5L
Internal Block Diagram
1
1. DRAIN 2. GND 3. VCC 4. FB 5. S/S
#3 VCC
#5 Soft Start
#4 FB
32V 5V Internal
Vref bias
Good
logic
5V
5µA
7.5V
25V
OSC
S
Q
R
1mA 2.5R
5V 1R
+
L.E.B
0.1V
+
+ Thermal S/D
OVER VOLTAGE S/D
S
Q
R
Power on reset
©2003 Fairchild Semiconductor Corporation
SFET
#1 DRAIN
#2 GND
Rev.1.0.3

1 page
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KA1M0965RYDTU pdf, schematic
KA1M0965R
Absolute Maximum Ratings
Parameter
Symbol
Drain Gate Voltage (RGS=1M)
Gate-Source (GND) Voltage
Drain Current Pulsed (2)
Single Pulsed Avalanche Energy (3)
Continuous Drain Current (TC=25°C)
Continuous Drain Current (TC=100°C)
Maximum Supply Voltage
Input Voltage Range
VDGR
VGS
IDM
EAS
ID
ID
VCC,MAX
VFB
Total Power Dissipation
PD
Darting
Operating Ambient Temperature
Storage Temperature
TA
TSTG
Notes:
1. Tj = 25°C to 150°C
2. Repetitive rating: Pulse width limited by maximum junction temperature
3. L = 20mH, VDD = 50V, RG = 27Ω, starting Tj = 25°C
Value
650
±30
36.0
950
9.0
5.8
30
-0.3 to VSD
170
1.33
-25 to +85
-55 to +150
Unit
V
V
ADC
mJ
ADC
ADC
V
V
W
W/°C
°C
°C
2

2 Page
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KA1M0965RYDTU equivalent
Typical Performance Characteristics
(These characteristic graphs are normalized at Ta=25°C)
KA1M0965R
Fig.1 Operating Frequency
1.2
1.15
1.1
1.05
Fosc 1
0.95
0.9
0.85
0.8
-25 0 25 50 75 100 125 150
Temperature [°C]
Figure 1. Operating Frequency
1.2
1.15
1.1
1.05
Iop 1
0.95
0.9
0.85
0.8
-25
Fig.3 Operating Current
0 25 50 75 100 125 150
Temperature [°C]
Figure 3. Operating Supply Current
1.5
1.3
IIsStTart1.1
0.9
0.7
0.5
-25
Fig.5 Start up Current
0 25 50 75 100 125 150
Temperature [°C]
Figure 5. Start up Current
Fig.2 Feedback Source Current
1.2
1.15
1.1
1.05
IIFfbB 1
0.95
0.9
0.85
0.8
-25 0 25 50 75 100 125
Temperature [°C]
150
Figure 2. Feedback Source Current
1.1
1.05
IIopveeark 1
0.95
0.9
0.85
0.8
-25
Fig.4 Max Inductor Current
0 25 50 75 100 125 150
Temperature [°C]
Figure 4. Peak Current Limit
Fig.6 Start Threshold Voltage
1.15
1.1
1.05
VVstht(aHr)t 1
0.95
0.9
0.85
-25 0
25 50 75 100 125 150
Temperature [°C]
Figure 6. Start Threshold Voltage
5

5 Page
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KA1M0965RYDTU diode, scr
Package Dimensions (Continued)
TO-3P-5L (Forming)
KA1M0965R
9

9 Page





Information Total 10 Pages
Download[ KA1M0965RYDTU.PDF Datasheet ]

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