Want to post a buying lead? If you are not a member yet, please select the specific/related part number first and then fill the quantity and your contact details in the "Request for Quotation Form" on the left, and then click "Send RFQ".Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.
The FSDM101 is an integrated Pulse Width Modulator(PWM) and Sense FET specially designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components. This device is a monolithic high voltage power switching regulator which combines a VDMOS Sense FET with a voltage mode PWM control block. The integrated PWM controller features include: a fixed oscillator, Under Voltage Lock Out (UVLO) protection, Leading Edge Blanking (LEB), optimized gate turn-on/ turn-off driver, thermal shut down protection (TSD), temper-ature compensated precision current sources for loop compensation and fault protection circuitry. When compared to a discrete MOSFET and controller or RCC switching converter solution, the FSDM101 reduces total component count, design size, weight and at the same time increases efficiency, productivity, and system reliability. This device is a basic platform well suited for cost effective designs of flyback converters.
FSDM101 Maximum Ratings
Parameter
Symbol
Value
Unit
Maximum Vstr Pin Voltage
VDSS
650
V
Maximum Drain Pin Voltage
VSTR
650
V
Drain Current Pulsed (1)
IDM
1.5
ADC
Continuous Drain Current (Tc=100°C)
ID
0.5
ADC
Continuous Drain Current*(TDL=25°C)
ID*
0.32
ADC
Single Pulsed Avalanche Energy (2)
EAS
10
mJ
Maximum Supply Voltage
VCC
20
V
Input Voltage Range
VFB
−0.3 to
V
Total Power Dissipation (Tc=25°C) (2)
PD
-
W
Operating Junction Temperature
TJ
Internally limited
°C
Operating Ambient Temperature
TA
-25 to +85
°C
Storage Temperature Range
TSTG
-55 to +150
°C
FSDM101 Features
• Internal Avalanche Rugged Sense FET • Precision Fixed Operating Frequency (67kHz) • Internal Start-up Switch and Soft Start • Under Voltage Lock Out (UVLO) with Hysteresis • Pulse by Pulse Current Limit • Over Load Protection (OLP) • Over Voltage Protection (OVP) • Internal Thermal Shutdown Function (TSD) • Secondary Side Regulation • Auto-Restart Mode
FSDM101 Typical Application
• Charger & Adaptor for Mobile Phone, PDA & MP3 • Auxiliary Power for White Goods, PC, C-TV & Monitor • SMPS for VCR, SVR, STB, DVD, and DVCD • Adaptor for Camcorder
FSDM101 Connection Diagram
FSDM311A Parameters
Technical/Catalog Information
FSDM311A
Vendor
Fairchild Semiconductor
Category
Integrated Circuits (ICs)
Packaging
Tube
Package / Case
8-DIP
Power (Watts)
13W
Voltage - Input
8 ~ 20 V
Voltage - Output
650V
Frequency Range
61 ~ 73kHz
Operating Temperature
25°C ~ 85°C
Output Isolation
Isolated
Lead Free Status
Lead Free
RoHS Status
RoHS Compliant
Other Names
FSDM311A FSDM311A
FSDM311A General Description
The FSDM311A consists of an integrated Pulse Width Modulator (PWM) and SenseFET, and is specifically designed for high-performance, off-line, Switch-Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high-voltage power switching regulator that combines a VDMOS SenseFET with a voltage-mode PWM control block. The integrated PWM controller features include a fixed oscillator, Under-Voltage Lockout (UVLO) protection, Leading-Edge Blanking (LEB), an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection, and temperature-compensated precision-current sources for loop compensation and fault protection circuitry. When compared to a discrete MOSFET and controller or RCC switching converter solution, the FSDM311A device reduces total component count and design size and weight, while increasing efficiency, productivity, and system reliability. This device provides a basic platform that is well suited for the design of cost-effective flyback converters.
FSDM311A Maximum Ratings
Product
Product status
Eco Status
Pricing*
Package type
Leads
Packing method
Package Drawing
Package Marking Convention**
FSDM311A
Full Production
RoHS Compliant
$0.61
DIP
8
RAIL
Line 1: DM311 Line 2: A&Z&3
* Fairchild 1,000 piece Budgetary Pricing
** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples
Package marking information for product FSDM311A is available. Click here for more information .