l6730cqtr STMicroelectronics, l6730cqtr Datasheet - Page 42
l6730cqtr
Manufacturer Part Number
l6730cqtr
Description
Adjustable Step-down Controller With Synchronous Rectification
Manufacturer
STMicroelectronics
Datasheet
1.L6730CQTR.pdf
(50 pages)
- Current page: 42 of 50
- Download datasheet (2Mb)
Efficiency
9
Figure 36. Demoboard efficiency 400KHz
Figure 37. Demoboard efficiency 645KHz
42/50
Efficiency
The following figures show the demoboard efficiency versus load current for different values of
input voltage and switching frequency:
95.00%
90.00%
85.00%
80.00%
75.00%
95.00%
90.00%
85.00%
80.00%
75.00%
70.00%
1
1
V
V
V
IN = 5V
IN = 5V
IN = 5V
V
IN = 5V
V
IN = 12V
V
3
3
IN = 12V
Fsw=400KHz
Fsw=645KHz
5
5
7
7
Iout (A)
Iout (A)
9
9
11
11
V
O
13
13
= 3.3V
V
O
= 3.3V
L6730C - L6730D
15
15
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