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STLDC08 Datasheet(PDF) 12 Page - STMicroelectronics

Part # STLDC08
Description  Step-up controller for LED supply
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLDC08 Datasheet(HTML) 12 Page - STMicroelectronics

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Block diagram
STLDC08
12/29
Doc ID 18476 Rev 1
6
Block diagram
Figure 16.
Block diagram
LDO
Feedback
Comparator
+
-
DRV
Charge
Pump
2Vcc
VOUT
VOUT
R
S
Q
+5 V
+5 V
100 mV
2Vcc
Vcc
PWMOUT
OVP TH
FB
EN/PWM
Sensed
Current Ramp
Peak Current
Comparator
DRIVER
-
+
+
-
SENSE
OCP_TH
Peak Current
Control
Over Voltage
Protection
GND
DRIVER
T
ONMAX = 20 µsec
TOFF timer
T
OFF = 1 µsec
OCP_TH
OCP
FB
RESET
GND
AM07846v1
LDO
Feedback
Comparator
+
-
DRV
Charge
Pump
2Vcc
VOUT
VOUT
R
S
Q
+5 V
+5 V
100 mV
2Vcc
Vcc
PWMOUT
OVP TH
FB
EN/PWM
Sensed
Current Ramp
Peak Current
Comparator
DRIVER
-
+
+
-
SENSE
OCP_TH
Peak Current
Control
Over Voltage
Protection
GND
DRIVER
T
ONMAX = 20 µsec
TOFF timer
T
OFF = 1 µsec
OCP_TH
OCP
FB
RESET
GND
AM07846v1



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