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부품번호 | FAN6753 기능 |
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기능 | Highly Integrated Green-Mode PWM Controller | ||
제조업체 | Fairchild Semiconductor | ||
로고 | |||
전체 12 페이지수
July 2009
FAN6753
Highly Integrated Green-Mode PWM Controller
Features
High-Voltage Startup
Low Operating Current: 2.7mA
Adaptive Decreasing PWM Frequency to 22KHz
Built-in Full-Range Frequency Hopping to Reduce
EMI Emission
Fixed PWM Frequency: 65KHz
Peak-Current-Mode Control
Cycle-by-Cycle Current Limiting
Leading-Edge Blanking (LEB)
Synchronized Slope Compensation
Internal Auto-Recovery Open-Loop Protection
GATE Output Maximum Voltage Clamp: 18V
VDD Under-Voltage Lockout (UVLO)
VDD Over-Voltage Protection (OVP),
Auto Recovery / Latch for Option
Internal Auto-Recovery Sense Short-Circuit
Protection for Option
Constant Power Limit (Full AC Input Range)
www.DataSheet4IUn.tceormnal OTP Sensor with Hysteresis
Built-in 5ms Soft-Start Function
Built-in LATCH Pin Pull HIGH (> 5.2V)
Latch Function
Applications
General-purpose switch-mode power supplies and
flyback power converters, including:
Power Adapters
Open-Frame SMPS
Description
The highly integrated FAN6753 PWM controller
provides several features to enhance the performance
of flyback converters.
To minimize standby power consumption, a proprietary
adaptive green-mode function provides frequency
modulation at light-load conditions. To avoid acoustic-
noise problems, the minimum PWM frequency is set
above 22KHz. This green-mode function enables the
power supply to meet international power conservation
requirements. With the internal high-voltage startup
circuitry, the power loss due to bleeding resistors is also
eliminated. To further reduce power consumption,
FAN6753 is manufactured using the BiCMOS process,
which allows an operating current of only 2.7mA.
FAN6753 integrates a full-range frequency-hopping
function internally that helps reduce EMI emission of a
power supply with minimum line filters. Its built-in
synchronized slope compensation achieves stable
peak-current-mode control. The proprietary internal line
compensation ensures constant output power limit over
a wide AC input voltage range, from 90VAC to 264VAC.
FAN6753 provides many protection functions. In
addition to cycle-by-cycle current limiting, the internal
open-loop protection circuit ensures safety should an
open-loop or output short-circuit failure occur. PWM
output is disabled until VDD drops below the UVLO lower
limit, when the controller starts up again. As long as VDD
exceeds ~26V, the internal OVP circuit is triggered.
FAN6753 is available in an 8-pin SOP package.
Ordering Information
Part Number
FAN6753MY
Operating
Temperature Range
-40°C to +105°C
Eco Status
Package
Packing Method
Green
8-Lead, Small Outline Package Tape & Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2009 Fairchild Semiconductor Corporation
FAN6753 • Rev. 1.0.1
www.fairchildsemi.com
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
Parameter
Min. Max. Unit
VDD
VFB
VSENSE
VLATCH
DC Supply Voltage(1, 2)
FB Pin Input Voltage
SENSE Pin Input Voltage
LATCH Pin Input Voltage
30
-0.3 7.0
-0.3 7.0
-0.3 7.0
V
V
V
V
VHV HV Pin Input Voltage
500 V
PD Power Dissipation (TA<50°C)
400 mW
θ JA Thermal Resistance (Junction-to-Air)
141 °C/W
TJ Operating Junction Temperature
-40 +125 °C
TSTG Storage Temperature Range
-55 +150 °C
TL Lead Temperature (Wave Soldering or IR, 10 Seconds)
+260
°C
ESD Electrostatic Discharge Capability
Human Body Model,
JEDEC:JESD22-A114
Charged Device Model,
JEDEC:JESD22-C101
5.5
1500
kV
V
Notes:
1. All voltage values, except differential voltages, are given with respect to the network ground terminal.
2. Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device
www.DataSheet4U.com
© 2009 Fairchild Semiconductor Corporation
FAN6753 • Rev. 1.0.1
4
www.fairchildsemi.com
4페이지 Typical Performance Characteristics
25
20
15
10
5
0
-40 -30 -15
0 25 50 75
Temperature (℃)
85 100 125
Figure 6. Startup Current (IDD-ST) vs. Temperature
18
17
16
15
14
13
-40℃
-30℃
-15℃
0℃
25℃
50℃
75℃
85℃ 100℃
Temperature (℃)
Figure 8. Start Threshold Voltage (VDD-ON)
vs. Temperature
125℃
7
6
5
4
3
www.DataSheet42U.com
1
0
-40 -30 -15
0 25 50 75
Temperature (℃)
85 100 125
Figure 10. Supply Current Drawn from HV Pin (IHV)
vs. Temperature
70
68
66
64
62
60
-40 -30 -15
0 25 50 75
Temperature (℃ )
85 100 125
Figure 12. Frequency in Normal Mode (fOSC)
vs. Temperature
5
4
3
2
1
0
-40 -30 -15
0 25 50 75
Temperature (℃)
85 100 125
Figure 7. Operation Supply Current (IDD-OP)
vs. Temperature
12
11
10
9
8
7
-40℃
-30℃
-15℃
0℃
25℃
50℃
75℃
85℃ 100℃ 125℃
Temperature (℃)
Figure 9. Minimum Operating Voltage (VDD-OFF)
vs. Temperature
10
8
6
4
2
0
-40 -30 -15
0 25 50 75
Temperature (℃ )
85 100 125
Figure 11. HV Pin Leakage Current After Startup
(IHV-LC) vs. Temperature
72
70
68
66
64
62
-40 -30 -15
0 25 50 75
Temperature (℃ )
85 100 125
Figure 13. Maximum Duty Cycle (DCYMAX)
vs. Temperature
© 2009 Fairchild Semiconductor Corporation
FAN6753 • Rev. 1.0.1
7
www.fairchildsemi.com
7페이지 | |||
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부품번호 | 상세설명 및 기능 | 제조사 |
FAN6751 | Highly Integrated Green-Mode PWM Controller | Fairchild Semiconductor |
FAN6753 | Highly Integrated Green-Mode PWM Controller | Fairchild Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |