FSEZ1016A Datasheet, PDF (1/16 Pages) Fairchild Semiconductor – Primary-Side-Regulation PWM Integrated Power MOSFET

June 2009
FSEZ1016A (EZSWITCH™, ™)
Primary-Side-Regulation PWM Integrated Power MOSFET
Features
ƒ Constant-Voltage (CV) and Constant-Current (CC)
Control without Secondary-Feedback Circuitry
ƒ Accurate Constant Current Achieved by Fairchild’s
Proprietary TRUECURRENT™ Technique
ƒ Green Mode: Frequency Reduction at Light-Load
ƒ Fixed PWM Frequency at 43kHz with Frequency
Hopping to Reduce EMI
ƒ Low Startup Current: 10μA Maximum
ƒ Low Operating Current: 3.5mA
ƒ Peak-Current-Mode Control in CV Mode
ƒ Cycle-by-Cycle Current Limiting
ƒ Over-Temperature Protection (OTP)
with Auto-Restart
ƒ Brownout Protection with Auto-Restart
ƒ VDD Over-Voltage Protection (OVP) with
Auto-Restart
ƒ VDD Under-Voltage Lockout (UVLO)
ƒ SOIC-7 Package
Applications
ƒ Battery Chargers for Cellular Phones, Cordless
Phones, PDAs, Digital Cameras, Power Tools
ƒ Replaces Linear Transformer and RCC SMPS
ƒ Offline High Brightness (HB) LED Drivers
Related Resources
ƒ AN-6067 Design Guide for FAN100/102 and
FSEZ1016A/1216
Description
The primary-side PWM integrated power MOSFET
(EZSWITCH™), FSEZ1016A, significantly simplifies
power supply designs that require CV and CC regulation
capabilities. FSEZ1016A controls the output voltage and
current precisely with only the information in the primary
side of the power supply, not only removing the output
current sensing loss, but also eliminating all secondary
feedback circuitry.
The green-mode function with a low startup current
(10µA) maximizes the light-load efficiency so the power
supply can meet stringent standby power regulations.
Compared with conventional secondary-side regulation
approach; the FSEZ1016A can reduce total cost,
component count, size, and weight; while
simultaneously increasing efficiency, productivity, and
system reliability.
FSEZ1016A is available in a 7-pin SOIC package.
A typical output CV/CC characteristic envelope is shown
in Figure 1.
Figure 1. Typical Output V-I Characteristic
Ordering Information
Part Number
FSEZ1016AMY
Operating
Temperature
Range
-40°C to +125°C
MOSFET MOSFET
BVDSS
RDS(ON)
600V
9.3Ω
(Typical)
Eco
Status
Green
Package
7-Lead, Small Outline
Integrated Circuit
Package (SOIC)
Packing
Method
Tape & Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2009 Fairchild Semiconductor Corporation
FSEZ1016A Rev. 1.0.1
www.fairchildsemi.com