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FAN6753 데이터시트 PDF




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부품번호 FAN6753 기능
기능 Highly Integrated Green-Mode PWM Controller
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FAN6753 데이터시트, 핀배열, 회로
July 2009
FAN6753
Highly Integrated Green-Mode PWM Controller
Features
ƒ High-Voltage Startup
ƒ Low Operating Current: 2.7mA
ƒ Adaptive Decreasing PWM Frequency to 22KHz
ƒ Built-in Full-Range Frequency Hopping to Reduce
EMI Emission
ƒ Fixed PWM Frequency: 65KHz
ƒ Peak-Current-Mode Control
ƒ Cycle-by-Cycle Current Limiting
ƒ Leading-Edge Blanking (LEB)
ƒ Synchronized Slope Compensation
ƒ Internal Auto-Recovery Open-Loop Protection
ƒ GATE Output Maximum Voltage Clamp: 18V
ƒ VDD Under-Voltage Lockout (UVLO)
ƒ VDD Over-Voltage Protection (OVP),
Auto Recovery / Latch for Option
ƒ Internal Auto-Recovery Sense Short-Circuit
Protection for Option
ƒ Constant Power Limit (Full AC Input Range)
www.DataShƒeet4IUn.tceormnal OTP Sensor with Hysteresis
ƒ Built-in 5ms Soft-Start Function
ƒ Built-in LATCH Pin Pull HIGH (> 5.2V)
Latch Function
Applications
General-purpose switch-mode power supplies and
flyback power converters, including:
ƒ Power Adapters
ƒ 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




FAN6753 pdf, 반도체, 판매, 대치품
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 (TA50°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










FAN6753 전자부품, 판매, 대치품
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
85100
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
85100125
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

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관련 데이터시트

부품번호상세설명 및 기능제조사
FAN6751

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor
Fairchild Semiconductor
FAN6753

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor
Fairchild Semiconductor

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