FLS3217 FAIRCHILD [Fairchild Semiconductor], FLS3217 Datasheet - Page 2

• Manufacturer Part Number: FLS3217
• Description: Single-Stage PFC Primary-Side-Regulation Offline LED Driver with Integrated Power MOSFET
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

© 2012 Fairchild Semiconductor Corporation
FLS3217 / FLS3247 • Rev. 1.0.0
Application Diagram
Internal Block Diagram
GND
VDD
NC
LINE INPUT
6
3
2
Auto Restart Protection:
OVP (Over-Voltage Protection)
UVLO (Under-Voltage Lockout)
OTP (Over-Temperature Protection)
TSD
V
FUSE
OVP
V
DD
V
Good
Internal
DD
+
-
Bias
BRIDGE DIODE
Good
R
S
Q
Figure 2.
DCM Frequency
Freq.
Figure 1.
Controller
2
5
3
Controller
Max. Duty
OSC
VDD
COMI
GND
VS
Functional Block Diagram
Typical Application
DRAIN
NC
Detector
CS
VS 4
S
R
Shutdown
t
DIS
7
6
1
2
Q
V
REF
+
+
-
-
V
OCP
Amp.
Error
OCP Level
Controller
Generator
Sample & Hold
Sawtooth
TRANS
Driver
TRUECURRENT®
Gate
Calculation
VS
LEB
DRAIN
7
www.fairchildsemi.com
1 CS
5
4 VS
COMI