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What is FSEZ1216?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Primary-Side-Regulation PWM Integrated Power MOSFET".


FSEZ1216 Datasheet PDF - Fairchild Semiconductor

Part Number FSEZ1216
Description Primary-Side-Regulation PWM Integrated Power MOSFET
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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April 2009
FSEZ1216 — Primary-Side-Regulation PWM Integrated
Power MOSFET
Features
ƒ Constant-Voltage (CV) and Constant-Current (CC)
Control without Secondary-Feedback Circuitry
ƒ Green Mode: Frequency Reduction at Light-Load
ƒ Fixed PWM Frequency at 42kHz with Frequency
Hopping to Reduce EMI
ƒ Cable Voltage Drop Compensation in CV Mode
ƒ Low Startup Current: 10μA
ƒ Low Operating Current: 3.5mA
ƒ Peak-Current-Mode Control in CV Mode
ƒ Cycle-by-Cycle Current Limiting
ƒ VDD Over-Voltage Protection with Auto-Restart
ƒ VDD Under-Voltage Lockout (UVLO)
ƒ Gate Output Maximum Voltage Clamped at 18V
ƒ Fixed Over-Temperature Protection with Latch
ƒ DIP-8 Package Available
www.DataShAeept4pUl.iccomations
ƒ Battery Chargers for Cellular Phones, Cordless
Phones, PDA, Digital Cameras, Power Tools
ƒ Replaces Linear Transformer and RCC SMPS
ƒ Offline High Brightness (HB) LED Drivers
Description
The primary-side PWM integrated Power MOSFET,
FSEZ1216, significantly simplifies power supply design
that requires CV and CC regulation capabilities.
FSEZ1216 controls the output voltage and current
precisely only with 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 FSEZ1216 can reduce total cost,
component count, size, and weight, while
simultaneously increasing efficiency, productivity, and
system reliability.
A typical output CV/CC characteristic envelope is shown
in Figure 1.
Figure 1. Typical Output V-I Characteristic
Ordering Information
Part Number
Operating
Temperature
Range
MOSFET
BVDSS
FSEZ1216NY -40°C to +105°C 600V
MOSFET
RDS.ON
9.3Ω
(Typical)
Eco
Status
Package
Packing
Method
Green 8-Lead, Dual Inline Package (DIP-8) Tube
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2009 Fairchild Semiconductor Corporation
FSEZ1216 • Rev. 1.0.1
www.fairchildsemi.com

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FSEZ1216 equivalent
Electrical Characteristics
VDD=15V and TA=25°C unless otherwise specified.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
VDD Section
VOP Continuously Operating Voltage
VDD-ON Turn-On Threshold Voltage
VDD-OFF Turn-Off Threshold Voltage
IDD-ST
Startup Current
IDD-OP
Operating Current
IDD-GREEN
VDD-OVP
tD-VDDOVP
Green Mode Operating Supply
Current
VDD Over-Voltage Protection
Level
VDD Over-Voltage Protection
Debounce Time
0< VDD < VDD-ON-0.16V
VDD=20V, fS=fOSC, VVS=2V,
VCS=3V, CL=1nF
VDD=20V, VVS=2.7V,
fS=fOSC-N-MIN, VCS=0V, CL=1nF,
VCOMV=0V
VCS=3V, VVS=2.3V,
fs= fOSC, VVS=2.3V
Oscillator Section
Center Frequency TA=25°C
fOSC
Frequency Frequency
Hopping Range
TA=25°C
tFHR
fOSC-N-MIN
fOSC-CM-MIN
fDV
Frequency Hopping Period
Minimum Frequency at No Load
Minimum Frequency at CCM
Frequency Variation vs. VDD
Deviation
TA=25°C
VVS=2.7V, VCOMV=0V
VVS=2.3V, VCS=0.5V
VDD=10V to 25V
fDT
Frequency Variation vs.
Temperature Deviation
TA=-40°C to +85°C
Voltage-Sense Section
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IVS-UVP
Sink Current for Brownout
Protection
Itc
VBIAS-COMV
IC Compensation Bias Current
Adaptive Bias Voltage
Dominated by VCOMV
Current-Sense Section
tPD
Propagation Delay to GATE
Output
tMIN-N
tMINCC
DSAW
VTH
Minimum On Time at No Load
Minimum On Time in CC Mode
Duty Cycle of SAW Limiter
Threshold Voltage for Current
Limit
RVS=20K
VCOMV=0V, TA=25°C, RVS=20K
VVS=-0.8V, RS=2K, VCOMV=1V
VVS=0V, VCOMV=2V
25 V
15 16 17 V
4.5 5.0 5.5
V
0 1.6 10.0 μA
3.5 5.0 mA
1 2 mA
27 28 29 V
100 250 400 μs
39 42
±1.8 ±2.6
3
550
20
45
±3.6
5
15
KHz
ms
Hz
KHz
%
%
180 μA
9.5 μA
1.4 V
100
1100
400
40
1.3
200
ns
ns
ns
%
V
Continued on following page…
© 2009 Fairchild Semiconductor Corporation
FSEZ1216 • Rev. 1.0.1
5
www.fairchildsemi.com


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