CYPRESS
High Power Factor LED Driver IC
For LED lighting MB39C602
P R O D U C T O V E RV I E W
DESCRIPTION
F E AT U R E S
MB39C602 is a switching regulator controller with the Flyback topology.
The LED current is regulated by controlling the switching on-time depending on the
LED load.
The MB39C602 is suitable for general lighting applications and PWM dimmable
lighting applications
· High power factor(>0.98) in Single Conversion
· High efficiency(>85%) and low EMI
· Universal Input voltage: 85VAC to 265VAC
· Both Isolation type and Non-isolation type can
be configured
· Prortection function : UVLO, OVP, OTP
· Small PKG SOP-8
SOLUTION BOARD EX A MPLE
No.
1
Solution Type
Bulb
Down Light
Picture
Isolation
Output
AC
DC
PF
Block
size
Type
Power
Input
input
Efficiency
(mm)
Isolation
11W
85Vac~
265Vac
28V
390mA
PF > 0.99
η > 90%
55 x 55
(H)32
A P P L I C AT I O N S
· PWM dimmable LED lighting
· LED bulbs
· LED down lights
2
Bulb
PAR38/30
Non
Isolation
15W
85Vac~
144Vac
27V
550mA
PF > 0.8
η > 83%
44 x 44
(H)25
· Tube type LED lamps
· LED ceiling lights
· Digital Signage etc.
3
Bulb Lamp
Non
Isolation
7W
4
Tube T8/10
Lamp
Isolation
5
PWM
Dimmable
Bulb Lamp
6
GU5.3/
GU10/Bulb
MR16 Lamp
www.cypress.com
198Vac~
242Vac
23V
300mA
PF > 0.8
η > 87%
60 x 20
(H)17
19W
85Vac~
265Vac
39V
485mA
PF > 0.99
η > 85%
295 x18
(H)9
Isolation
9W
110Vac
220Vac
30V
300mA
PF > 0.99
η > 80%
70 x 20
(H)20
Non
Isolation
3W
12Vac
8.7V
370mA
PF > 0.6
η > 82%
24 x 15
(H)10
P R O D U C T O V E RV I E W
ECIFICATION AND CHARACTERISTIC
EFFICIENCY
LED(10W) ; 9 pieces in series / 0.35A
100.0%
Item
MB39C602 Specification
SW Method
Switching on-time control PFC single conversion
of discontinuous mode and detecting in
transformer zero current.
95.0%
90.0%
SW FET
η [%]
85.0%
External
Junction Temp Tjmax = 125 deg
80.0%
75.0%
fac = 60Hz
70.0%
fac = 50Hz
65.0%
60.0%
180
190
200
210
220
230
240
250
260
Operation
Temp
Ta = –40 deg. to +85 deg
SW
frequency
30kHz to 120kHz (max)
Protection
Under voltage lockout, Over voltage, Over
temperature
Package
SOP-8
270
VIN_AC[V]
POWER FACTOR
LED(10W) ; 9 pieces in series / 0.35A
1
0.95
SOP-8
3.9mm μ 5.05mm μ 1.75mm
(Pin pitch 1.27mm)
PF
0.9
APPLICATION BLOCK DIAGRAM (EX AMPLE)
0.85
fac = 60Hz
0.8
LED Tube
fac = 50Hz
0.75
0.7
180
190
200
210
220
230
240
250
260
PCB
270
Capacitor
Transformer
Capacitor
VIN_AC[V]
TOTAL HARMONIC DISTORTION (THD)
AC line
SW
FET
LED
VIN:85VAC ~ 265VAC/50Hz, IOUT=485mA, TA=25oC
16.0%
14.0%
<10%
12.0%
LED driver
MB39C602
Photo Coupler
Isolated type
ITHD
10.0%
8.0%
6.0%
WEB DESIGN SIMUL ATION SERVICE
4.0%
2.0%
0.0%
85
90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 265
VIN(VRMS)
http://www.cypress.com/easy-design-sim
Cypress Semiconductor Corporation
198 Champion Court, San Jose CA 95134
phone +1 408.943.2600 fax +1 408.943.6848
toll free +1 800.858.1810 (U.S. only) Press “1” to reach your local sales representative
© 2014 -2016 Cypress Semiconductor Corporation. All rights reserved. All trademarks are the property of their respective owners.
002-08874 Rev.*A