RT8452GS Richtek USA Inc, RT8452GS Datasheet - Page 9

• 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: -

Typical Operating Characteristics
DS8452-01
100
400
380
360
340
320
300
90
80
70
60
30
25
20
15
10
5
0
0
4
4
Switching Frequency vs. Input Voltage
September 2010
Shutdown Current vs. Input Voltage
7
Efficiency vs. Output Current
8
200
10 13 16 19 22 25 28 31 34 37 40
Boost Application, V
12
Output Current(mA)
400
Input Voltage (V)
Input Voltage (V)
16
600
20
IN
24
800
= 24V, V
28
1000
OUT
32
= 48V
1200
36
100
400
380
360
340
320
300
10
90
80
70
60
9
8
7
6
5
4
3
2
1
0
-50
4
9
Switching Frequency vs. Temperature
Supply Current vs. Input Voltage
8
-25
12
Efficiency vs. Input Voltage
12
Boost Application, V
15
0
Input Voltage (V)
Temperature (°C)
Input Voltage (V)
16
18
25
20
21
50
OUT
24
RT8452
www.richtek.com
= 48V, I
24
75
28
V
OUT
100
IN
27
32
= 24V
= 1A
125
36
30
9