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CY8CLEDAC02 Datasheet(PDF) 2 Page - Cypress Semiconductor

Part # CY8CLEDAC02
Description  AC-DC Controller for Dimmable LED Lighting
PDF  20 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY8CLEDAC02 Datasheet(HTML) 2 Page - Cypress Semiconductor

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CY8CLEDAC02
Document Number: 001-54879 Rev. *C
Page 2 of 20
Logic Block Diagram
Figure 1. Simplified Application Diagram
ADC
-
+
-
+
-
+
DAC
3
4
2
8
1
7
5
6
ADC-
MUX
VOVP
VVMS
VFB_C
1.7V
0.128V
1.538V
ISHORT_C
IPEAK
DISENSE
VPEAK
0~1.8V
1.9V
0.16V
Output
Boost_Out
65K
65K
POR
Startup
Reg
16 MHz
POR
VIN_A
0 ~1.8V
2.5K
ISD
(100µA)
adc_mux_sel
VIN_D
Digital Logic
Dimmer Detection
and Dimmer Phase
Measurement
Constant Current
Control
VIN
VT
VSENSE
VCC
BOOST
OUTPUT
ISENSE
GND
ZVin
VOCP
LDO
(3.3V)
AC
AC
+
_
AC Input from
Dimmer
NTC
LED
1
2
3
45
6
7
8
BOOST
VSENSE
VIN
VT
VCC
OUTPUT
ISENSE
GND
CHOPPING CIRCUIT
ISOLATED FLYBACK CONVERSION
CONTROLLER
INPUT FILTERING AND RECTIFICATION
CY8CLEDAC02
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