EVALED7706 STMicroelectronics, EVALED7706 Datasheet - Page 10
![EVALUATION BOARD FOR LED7706](/photos/9/16/91659/evaled7706_sml.jpg)
EVALED7706
Manufacturer Part Number
EVALED7706
Description
EVALUATION BOARD FOR LED7706
Manufacturer
STMicroelectronics
Datasheet
1.LED7706TR.pdf
(46 pages)
Specifications of EVALED7706
Current - Output / Channel
30mA
Outputs And Type
6, Non-Isolated
Voltage - Output
36 V
Features
Dimmable, Extra 5V Output
Voltage - Input
4.5 ~ 36 V
Utilized Ic / Part
LED7706
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6445
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Operation description
5
10/46
Operation description
The device can be divided into two sections: the boost section and the backlight driver
section. These sections are described in the next paragraphs.
overview of the internal blocks of the device.
Figure 3.
FAULT
FAULT
MODE
MODE
COMP
COMP
SYNC
SYNC
AVCC
AVCC
LDO5
LDO5
BILIM
BILIM
FSW
FSW
DIM
DIM
EN
EN
SS
SS
Simplified block diagram
Ext Sync
Ext Sync
Detector
Detector
Shutdown
Shutdown
Soft Start
Soft Start
Thermal
Thermal
Current Limit
Current Limit
Prot_EN
Prot_EN
CONTROL
CONTROL
Detector
Detector
LOGIC
LOGIC
VIN
VIN
UVLO
UVLO
UVLO
UVLO
LDO
LDO
+5V
+5V
1.2V
1.2V
÷2
÷2
Generator
Generator
OSC
OSC
SLOPE
SLOPE
OVP
OVP
Ramp
Ramp
Boost_EN
Boost_EN
CTRL6
CTRL6
CTRL5
CTRL5
CTRL4
CTRL4
CTRL3
CTRL3
CTRL2
CTRL2
Prot_EN
Prot_EN
UVLO
UVLO
I to V
I to V
+
+
g
g
Min Voltage
Min Voltage
m
m
+
+
+
+
_
_
Selector
Selector
CTRL1
CTRL1
V
V
ROW1
ROW1
RILIM
RILIM
+
+
_
_
0.7V
0.7V
Current Sense
Current Sense
ZCD
ZCD
Boost_EN
Boost_EN
Control
Control
Boost
Boost
Logic
Logic
CTRL6
CTRL6
CTRL5
CTRL5
CTRL4
CTRL4
CTRL3
CTRL3
CTRL2
CTRL2
V
V
V
V
V
V
V
V
V
V
ROW6
ROW6
ROW5
ROW5
ROW4
ROW4
ROW3
ROW3
ROW2
ROW2
Generator 1
Generator 1
OVP
OVP
Current
Current
4V
4V
LOGIC
LOGIC
+
+
_
_
Figure 3
Generator 6
Generator 6
Generator 5
Generator 5
Generator 4
Generator 4
Generator 3
Generator 3
Generator 2
Generator 2
MODE
MODE
Current
Current
Current
Current
Current
Current
Current
Current
Current
Current
I to V
I to V
SGND
SGND
_
_
_
+
+
+
V
V
TH,FLT
TH,FLT
1.172V
1.172V
provides an
LX
LX
PGND
PGND
OVSEL
OVSEL
ROW6
ROW6
ROW5
ROW5
ROW4
ROW4
ROW3
ROW3
ROW2
ROW2
ROW1
ROW1
LED7706
AM00596v1