FLS3217 FAIRCHILD [Fairchild Semiconductor], FLS3217 Datasheet

no-image

FLS3217

Manufacturer Part Number
FLS3217
Description
Single-Stage PFC Primary-Side-Regulation Offline LED Driver with Integrated Power MOSFET
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
© 2012 Fairchild Semiconductor Corporation
FLS3217 / FLS3247 • Rev. 1.0.0
FLS3217 / FLS3247
Single-Stage PFC Primary-Side-Regulation Offline
LED Driver with Integrated Power MOSFET
Features
Applications
Ordering Information
.
Part Number
Cost-Effective Solution without Input Bulk Capacitor
and Feedback Circuitry
Power-Factor Correction (PFC)
Integrated Power MOSFET
Accurate Constant-Current (CC) Control
Independent Online Voltage, Output Voltage, and
Magnetizing Inductance Variation
Linear Frequency Control for Increased Efficiency
Open / Short-LED Protection
Cycle-by-Cycle Current Limiting
Over-Temperature Protection with Auto Restart
Low Startup Current: 20μA
Low Operating Current: 5mA
V
V
Application Voltage Range: 80V
LED Lighting System
FLS3217M
FLS3217N
FLS3247N
DD
DD
Over-Voltage Protection (OVP)
Under-Voltage Lockout (UVLO)
Temperature Range
-40°C to +125°C
Operating
AC
~ 308V
AC
7-Lead, Small Outline Package (SOIC)
7-Lead, Small Outline Package (DIP)
Description
This highly integrated PWM controller with power
MOSFET, FLS3217 / FLS3247, provides several
features to enhance the performance of low-power
flyback converters. The proprietary topology enables
simplified circuit design for LED lighting applications.
By using the single-stage topology with primary-side
regulation, an LED lighting board can be implemented
with the few external components and minimized cost;
requiring no input bulk capacitor or feedback circuitry.
To implement good power factor and low THD, constant
on-time control is utilized with an external capacitor
connected to COMI.
Precise constant-current control regulates accurate
output current versus changes in input voltage and
output voltage. The operating frequency is proportionally
changed by the output voltage to guarantee DCM
operation with higher efficiency and simple design.
FLS3217 and FLS3247 provide protection features such
as
protection. The current-limit level is automatically
reduced to minimize the output current and protect
external components in short-LED condition.
open-LED,
Package
short-LED,
and
Packing Method
over-temperature
Tape & Reel
May 2012
www.fairchildsemi.com
Tube

Related parts for FLS3217

FLS3217 Summary of contents

Page 1

... Precise constant-current control regulates accurate output current versus changes in input voltage and output voltage. The operating frequency is proportionally changed by the output voltage to guarantee DCM operation with higher efficiency and simple design. FLS3217 and FLS3247 provide protection features such as open-LED, protection. The current-limit level is automatically ~ 308V ...

Page 2

... VDD V - OVP TSD V Good Auto Restart Protection: OVP (Over-Voltage Protection) GND 3 UVLO (Under-Voltage Lockout) OTP (Over-Temperature Protection) © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 2 VDD DRAIN COMI GND Figure 1. Typical Application Shutdown Max. Duty Good ...

Page 3

... COMI and GND pins for compensation current loop gain Connect 7 DRAIN Power MOSFET Drain. This pin is the high-voltage power MOSFET drain. © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 F: Fairchild Logo Z: Plant Code X: 1-Digit Year Code ZXYTT Y: 1-Digit Week Code S3247 TT: 2-Digit Die Run Code ...

Page 4

... The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol T Operating Ambient Temperature A © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 Parameter (1,2) T =25°C, A FLS3217M/N T =25° ...

Page 5

... Propagation Delay to GATE t PD Output D Duty Cycle of SAW Limiter SAW t t Blanking Time of VS DIS-BNK DIS I VS Current for VS Blanking VS-BNK © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 =15V and T =25°C. A Condition I =250µ FLS3217M I =0.5A, V =10V D GS ...

Page 6

... Threshold Temperature for OTP OTP T Restart Junction Temperature Hysteresis OTP-HYS Note: 3. When the over-temperature protection (OTP) is activated, the power system enters Auto-Recovery Mode and output is disabled. © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 (Continued) =15V and T =25°C. A Condition  V =3V, V =5V ...

Page 7

... Temp [°C] Temp [°C] Figure 7. I vs. Temperature DD-OP 1.5 1.3 1.1 0.9 FLS3217M 0.7 FLS3217N FLS3247N 0.5 -40 -30 - Temp [°C] Temp [°C] Figure 9. f vs. Temperature MAX_CC © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 1.5 1.3 1.1 0.9 0.7 0 100 125 -40 1.5 1.3 1.1 0.9 0.7 0 100 125 -40 1.5 1.3 1.1 0.9 0.7 0 ...

Page 8

... Temp [°C] Temp [°C] Figure 11. V vs. Temperature CCR 1.5 1.3 1.1 0.9 FLS3217M 0.7 FLS3217N FLS3247N 0.5 -40 -30 - Temp [°C] Temp [°C] Figure 13. V vs. Temperature OCP © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 (Continued) 1.5 1.3 1.1 0.9 0.7 0 100 125 -40 1.5 1.3 1.1 0.9 0.7 0 100 125 -40 8 FLS3217M ...

Page 9

... Functional Description FLS3217 / FLS3247 is an AC-DC PWM controller for LED lighting applications. TRUECURRENT regulate accurate LED current independent of input voltage, output voltage, and magnetizing inductance variations. The linear frequency control in the oscillator reduces conduction loss and maintains DCM operation in the wide range of output voltage, which implements high power factor correction in a single-stage flyback topology ...

Page 10

... BCM Control The end of secondary diode conduction time is possibly over a switching period set by linear frequency control. In this case, FLS3217 and FLS3247 don’t allow CCM and the operation mode changes from DCM to BCM. Therefore, FLS3217 and FLS3247 eliminate sub- harmonic distortion in CCM. ...

Page 11

... The UVLO hysteresis window ensures that the VDD capacitor is adequate to supply VDD during startup. © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 Over-Temperature Protection (OTP) The built-in temperature-sensing circuit shuts down PWM output once the junction temperature exceeds 150° ...

Page 12

... Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev.1. 0.0 A 0.65TYP ...

Page 13

... Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2012 Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 9.40 9.00 5 6.60 6 ...

Page 14

... Fairchild Semiconductor Corporation FLS3217 / FLS3247 • Rev. 1.0.0 14 www.fairchildsemi.com ...

Related keywords