参数资料
型号: FSBH0170NYF116
厂商: FAIRCHILD SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 0.9 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, PDIP8
封装: GREEN, MS-001BA, DIP-8
文件页数: 1/15页
文件大小: 771K
代理商: FSBH0170NYF116
November 2010
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSBH0170_F116, FSBH0270_F116, FSBH0370_F116 Rev. 1.0.0
FSB
H
0170_F116,
FSB
H
0
270_F116,
FSB
H
0370_F116
Green
M
ode
Fairchild
Power
Swit
ch
(
F
PS)
FSBH0170 _F116, FSBH0270 _F116, FSBH0370 _F116
Green Mode Fairchild Power Switch (FPS)
Features
Brownout Protection with Hysteresis
Built-In 5ms Soft-Start Function
Internal Avalanche-Rugged 700V SenseFET
Low Acoustic Noise During Light-Load Operation
High-Voltage Startup
Linearly Decreasing PWM Frequency to 18KHz
Peak-Current-Mode Control
Cycle-by-Cycle Current Limiting
Leading-Edge Blanking (LEB)
Synchronized Slope Compensation
Internal Open-Loop Protection
VDD Under-Voltage Lockout (UVLO)
VDD Over-Voltage Protection (OVP)
Internal Auto-Restart Circuit (OVP, OTP)
Constant Power Limit (Full AC Input Range)
Internal OTP Sensor with Hysteresis
VIN Pin for Pull-HIGH Latch Function and
Pull-LOW Auto-Recovery Protection
Applications
General-purpose switched-mode power supplies and
flyback power converters, including:
Auxiliary Power Supply for PC and Server
SMPS for VCR, SVR, STB, DVD & DVCD Player,
Printer, Facsimile, and Scanner
Adapter for Camcorder
Description
The highly integrated FSBH-series consists of an
integrated current-mode Pulse Width Modulator (PWM)
and an avalanche-rugged 700V SenseFET. It is
specifically designed for high-performance offline
Switched-Mode Power Supplies (SMPS) with minimal
external components.
The integrated PWM controller features include a
proprietary green-mode function that provides off-time
modulation to linearly decrease the switching frequency
at light-load conditions to minimize standby power
consumption. To avoid acoustic-noise problems, the
minimum PWM frequency is set above 18kHz. This
green-mode function enables the power supply to meet
international power conservation requirements. The
PWM controller is manufactured using the BiCMOS
process to further reduce power consumption. The
FSBH-series turns off some internal circuits to improve
power saving when VFB is lower than 1.6V, which allows
an operating current of only 2.5mA.
The FSBH-series has built-in synchronized slope
compensation to achieve stable peak-current-mode
control. The proprietary external line compensation
ensures constant output power limit over a wide AC
input voltage range, from 90VAC to 264VAC.
The FSBH-series provides many protection functions. In
addition to cycle-by-cycle current limiting, the internal
open-loop protection circuit ensures safety when an
open-loop or output short occurs. PWM output is
disabled until VDD drops below the VTH-OLP, then the
controller starts up again. As long as VDD exceeds 28V,
the internal OVP circuit is triggered.
Compared with a discrete MOSFET and controller or
RCC switching converter solution, the FSBH-series
reduces component count, design size, and weight;
while increasing efficiency, productivity, and system
reliability. These devices provide a basic platform that is
well suited for the design of cost-effective flyback
converters, such as in PC auxiliary power supplies.
Ordering Information
Part Number
SenseFET
Operating
Temperature Range
Package
Packing
Method
FSBH0170NY_F116
1.0A 700V
-40°C to +105°C
8-Pin, Dual In-Line Package (DIP)
Tube
FSBH0270NY_F116
2.0A 700V
-40°C to +105°C
FSBH0370NY_F116
3.0A 700V
-40°C to +105°C
相关PDF资料
PDF描述
FSBH0270NYF116 1.1 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, PDIP8
FSBH0370NYF116 1.3 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, PDIP8
FSBH0370NY_F116 1.3 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, DIP8
FSBH0270NY_F116 1.1 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, DIP8
FSBH0170NY_F116 0.9 A SWITCHING CONTROLLER, 106 kHz SWITCHING FREQ-MAX, DIP8
相关代理商/技术参数
参数描述
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