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参数资料
| 型号： | FSD146MRBN |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC FPS POWER SWITCH 650V 8-MDIP |
| 标准包装： | 50 |
| 系列： | FPS™ |
| 输出隔离： | 隔离 |
| 频率范围： | 61kHz ~ 73kHz |
| 输入电压： | 13 V ~ 23 V |
| 输出电压： | 650V |
| 功率（瓦特）： | 35W |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
October 2011
FSD146MRBN
Green-Mode Fairchild Power Switch (FPS?)
Features
Description
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Advanced Soft Burst-Mode Operation for
Low Standby Power and Low Audible Noise
Random Frequency Fluctuation for Low EMI
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
Low Operating Current (0.4mA) in Burst Mode
Internal Startup Circuit
Internal High-Voltage SenseFET: 650V
Built-in Soft-Start: 15ms
Auto-Restart Mode
The FSD146MRBN is an integrated Pulse Width
Modulation (PWM) controller and SenseFET 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 FSD146MRBN can reduce total cost, component
count, size, and weight; while simultaneously increasing
efficiency, productivity, and system reliability. This
device provides a basic platform that is well suited for
cost-effective design of a flyback converter.
Applications
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Power Supply for LCD Monitor, STB, and
DVD Combination
Ordering Information
Output Power Table (2)
Adapter (4)
Adapter (4)
Part
Number
Package
Operating
Junction
Temperature
Current R DS(ON)
Limit (Max.)
230V AC ± 15% (3)
Open
Frame (5)
85-265V AC
Open
Frame (5)
Replaces
Device
FSD146MRBN
8-DIP
- 40°C ~
+125°C
1.50A
2.6 ?
23W
35W
17W
26W
FSFM260N
Notes:
1. Lead-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.
? 2011 Fairchild Semiconductor Corporation
FSD146MRBN ? Rev. 1.0.0
www.fairchildsemi.com
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