RT8453BGSP Richtek USA Inc, RT8453BGSP Datasheet - Page 7
RT8453BGSP
Manufacturer Part Number
RT8453BGSP
Description
IC LED DVR BUCK 40V 1.5A 8SOP
Manufacturer
Richtek USA Inc
Datasheet
1.RT8453BGSP.pdf
(11 pages)
Specifications of RT8453BGSP
Constant Current
Yes
Internal Driver
Yes
Type - Primary
Backlight, General Purpose
Mounting Type
Surface Mount
Topology
PWM, Step-Down (Buck)
Number Of Outputs
1
Frequency
400kHz ~ 600kHz
Voltage - Supply
4.5 V ~ 40 V
Package / Case
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Operating Temperature
-
Other names
1028-1004-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RT8453BGSP
Manufacturer:
RCT
Quantity:
297 500
Part Number:
RT8453BGSP
Manufacturer:
RICHTEK/立锜
Quantity:
20 000
(200mA/Div)
(200mA/Div)
DS8453B-00 August 2010
(10V/Div)
I
I
(5V/Div)
(5V/Div)
LED
LED
V
V
V
LX
LED
EN
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
Supply Current vs. Input Voltage
Continuous Mode Operation
6
12
Power On from EN
Input Voltage(V)
Time (50μs/Div)
Time (1μs/Div)
3 LEDs, V
18
24
IN
= 12V, I
3 LEDs, V
30
OUT
T
= 350mA
A
36
IN
= 25°C
= 12V
42
(200mA/Div)
(200mA/Div)
(10V/Div)
I
I
(5V/Div)
LED
(5V/Div)
LED
V
V
V
EN
LED
EN
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50
Supply Current vs. Temperature
-25
Continuous Mode Operation
Power Off from EN
0
Temperature (°C)
Time (50μs/Div)
Time (1μs/Div)
3 LEDs, V
25
RT8453B
50
IN
= 24V, I
3 LEDs, V
www.richtek.com
75
OUT
V
= 350mA
IN
100
IN
= 12V
= 12V
125