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PDF CQ1565RT Data sheet ( Hoja de datos )
| Número de pieza | CQ1565RT | |
| Descripción | FSCQ1565RT | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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 1. - Green Mode Power Switch  Hay una vista previa y un enlace de descarga de CQ1565RT (archivo pdf) en la parte inferior de esta página. Total 44 Páginas | ||
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FSCQ-Series
FSCQ0565RT / FSCQ0765RT / FSCQ0965RT / FSCQ1265RT
FSCQ1465RT / FSCQ1565RT / FSCQ1565RP
Green Mode Fairchild Power Switch (FPSTM)
Features
• Optimized for Quasi-Resonant Converter (QRC)
• Advanced Burst-Mode Operation for under 1W Standby
Power Consumption
• Pulse-by-Pulse Current Limit
• Over Load Protection (OLP) - Auto Restart
• Over Voltage Protection (OVP) - Auto Restart
• Abnormal Over Current Protection (AOCP) - Latch
• Internal Thermal Shutdown (TSD) - Latch
• Under Voltage Lock Out (UVLO) with Hysteresis
• Low Startup Current (typical : 25uA)
• Internal High Voltage SenseFET
• Built-in Soft Start (20ms)
• Extended Quasi-Resonant Switching
Applications
• CTV
• Audio Amplifier
Related Application Notes
• AN4146 - Design Guidelines for Quasi-Resonant
Converters Using FSCQ-Series Fairchild Power Switch.
• AN4140 - Transformer Design Consideration for Off-Line
Flyback Converters Using Fairchild Power Switch.
Description
In general, a Quasi-Resonant Converter (QRC) shows lower
EMI and higher power conversion efficiency compared to
conventional hard-switched converter with a fixed switching
frequency. Therefore, a QRC is well suited for noise-
sensitive applications, such as color TV and audio. Each
product in the FSCQ-Series contains an integrated Pulse
Width Modulation (PWM) controller and a SenseFET, and
is specifically designed for quasi-resonant off-line Switch
Mode Power Supplies (SMPS) with minimal external
components. The PWM controller includes an integrated fixed
frequency oscillator, under voltage lockout, leading edge
blanking (LEB), optimized gate driver, internal soft start,
temperature-compensated precise current sources for a loop
compensation, and self protection circuitry. Compared with a
discrete MOSFET and PWM controller solution, the FSCQ-
Series can reduce total cost, component count, size, and weight,
while simultaneously increasing efficiency, productivity, and
system reliability. These devices provide a basic platform
that is well suited for cost-effective designs of quasi-resonant
switching flyback converters.
OUTPUT POWER TABLE(3)
PRODUCT
230VAC ±15%(2)
Open Frame(1)
85-265VAC
Open Frame(1)
FSCQ0565RT
70W
60 W
FSCQ0765RT
100 W
85 W
FSCQ0965RT
130 W
110 W
FSCQ1265RT
170 W
140 W
FSCQ1465RT
190 W
160 W
FSCQ1565RT
210 W
170 W
FSCQ1565RP
250 W
210 W
Table 1. Maximum Output Power
Notes:
1. Maximum practical continuous power in an open frame
design at 50°C ambient.
2. 230 VAC or 100/115 VAC with doubler.
3. The junction temperature can limit the maximum output
power.
Typical Circuit
Vo
AC
IN
FSCQ-Series
PWM
Sync
VFB Vcc
Drain
GND
Figure 1. Typical Flyback Application
FPSTM is a trademark of Fairchild Semiconductor Corporation.
©2005 Fairchild Semiconductor Corporation
Rev.1.1.0
1 page  
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FSCQ-SERIES
Total Power Dissipation
(Tc=25°C with Infinite Heat Sink)
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
ESD Capability, HBM Model (All pins
except Vfb)
ESD Capability, Machine Model (All
pins except Vfb)
FSCQ0565RT
FSCQ0765RT
FSCQ0965RT
PD FSCQ1265RT
FSCQ1465RT
FSCQ1565RT
FSCQ1565RP
TJ
TA
TSTG
-
-
38
45
49
50
60
75
98
+150
-25 to +85
-55 to +150
2.0
(GND-Vfb=1.7kV)
300
(GND-Vfb=170V)
W
°C
°C
°C
kV
V
Notes:
1. Repetitive rating: Pulse width limited by maximum junction temperature
2. L = 15mH, starting Tj = 25°C, These parameters, although guaranteed at the design, are not tested in mass production.
Thermal Impedance
(Ta=25°C unless otherwise specified)
Parameter
Junction to Case Thermal Impedance
Symbol
FSCQ0565RT
FSCQ0765RT
FSCQ0965RT
θJC FSCQ1265RT
FSCQ1465RT
FSCQ1565RT
FSCQ1565RP
Value
3.29
2.60
2.55
2.50
2.10
2.00
1.28
Unit
°C/W
5
5 Page 
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Electrical Characteristics
FSCQ-SERIES
1.4
1.2
1.0
0.8
0.6
-50
Feedback Offset Voltage
0 50 100
Tem p[℃ ]
150
Burst_Mode Enable Feedback Voltage
1.4
1.2
1.0
0.8
0.6
-50
0 50
Temp[℃]
100
150
Sync. Threshold in Normal QR(H)
1.10
1.05
1.00
0.95
0.90
-50
0 50 100
Temp[℃]
150
Sync. Threshold in Normal QR(L)
1.10
1.05
1.00
0.95
0.90
-50
0 50 100
Temp[℃]
150
Sync. Threshold in Extended QR(H)
1.10
1.05
1.00
0.95
0.90
-50
0 50
Temp[℃]
100
150
Sync. Threshold in Extended QR(L)
1.10
1.05
1.00
0.95
0.90
-50
0 50 100
Temp[℃]
150
11
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| Páginas | Total 44 Páginas | |
| PDF Descargar | [ Datasheet CQ1565RT.PDF ] | |
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