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參數(shù)資料
| 型號(hào)： | FSDM1265RBWDTU |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Green Mode Fairchild Power Switch (FPS) |
| 中文描述： | 3.8 A SWITCHING REGULATOR, ZFM6 |
| 封裝： | TO-220F, 6 PIN |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 380K |
| 代理商： | FSDM1265RBWDTU |
2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.0
FPS
TM
is a trademark of Fairchild Semiconductor Corporation.
Features
Internal Avalanche Rugged Sense FET
Advanced Burst-Mode operation that consumes less than
1 W at 240VAC and 0.5W load
Precision Fixed Operating Frequency (66kHz)
Internal Start-up Circuit
Improved Pulse by Pulse Current Limiting
Over-Voltage Protection (OVP)
Over-Load Protection (OLP)
Internal Thermal Shutdown Function (TSD)
Auto-Restart Mode
Under Voltage Lock Out (UVLO) with Hysteresis
Low Operating Current (2.5mA)
Built-in Soft Start
Application
SMPS (Switch Mode Power Supplies) for LCD monitor
and STB
Adapter
Description
The FSDM1265RB is an integrated Pulse-Width Modulator
(PWM) and a SenseFET which is specifically designed for
high performance offline SMPS with minimal external
components. This device is an integrated high-voltage power
switching regulator which combines a rugged avalanche
Sense FET with a current mode PWM control block. The
PWM controller includes integrated fixed frequency oscillator,
under-voltage lockout, leading edge blanking (LEB), optimized
gate driver, internal soft-start, and precise current sources that
are temperature compensated for loop compensation and self
protection circuitry. Compared with discrete MOSFET and
PWM controller solution, it can reduce total cost, component
count, size, and weight, while simultaneously increasing
efficiency, productivity, and system reliability. This device is a
basic platform which is well suited for cost effective designs
of flyback converters.
Table 1. Maximum Output Power
Notes:
1. Typical continuous power in a non-ventilated enclosed
adapter measured at 50
°
C ambient.
2. Maximum practical continuous power in an
open- frame
design at 50
°
C ambient.
3. 230 VAC or 100/115 VAC with doubler.
4.
The
junction Temperature can limit the Maximum output power.
Typical Circuit
Figure 1. Typical Flyback Application
OUTPUT POWER TABLE
(4)
230VAC
±
15%
(3)
Adapt-
er
(1)
Frame
(2)
PRODUCT
85-265VAC
Open
Adapt-
er
(1)
Open
Frame
(2)
FSDM0565RB
60W
70W
50W
60W
FSDM0565RBI
FSDM07652RB
60W
70W
70W
80W
50W
60W
60W
70W
FSDM1265RB
90W
110W
80W
90W
Drain
Source
Vstr
Vfb
Vcc
PWM
AC
IN
DC
OUT
FS DM1265RB
Green Mode Fairchild Power S w itch (FPS
T M
)
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