RT8452GS Richtek USA Inc, RT8452GS Datasheet - Page 5

• Manufacturer Part Number: RT8452GS
• Description: IC PWM CTRLR LED DVR 16SOP
• Manufacturer: Richtek USA Inc

Specifications of RT8452GS

• Internal Driver: No
• Type - Primary: Backlight, General Purpose
• Mounting Type: Surface Mount
• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Frequency: 280kHz ~ 420kHz
• Voltage - Supply: 4.5 V ~ 36 V
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Operating Temperature: -

Function Block Diagram
DS8452-01
DCTL
OVP
VCC
September 2010
EN
VC
SS
1.18V
1.4V
4.5V
+
-
1.2V
6µA
+
-
-
+
+
-
V
190
ISP
Shutdown
ACTL
(mV)
0
– V
ISN
8.5V
OSC
0.2
Figure 6
GM
+
-
1.2V
-
+
S
R
R
R
+
-
1.2
R
-
+
100k
110mV
V
ACTL
VOC
5V
(V)
GBIAS
ISN
ISP
GND
GBIAS
GATE
PWMOUT
PWMDIM
ISW
RT8452
www.richtek.com
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