L6728A STMicroelectronics, L6728A Datasheet - Page 24

• Manufacturer Part Number: L6728A
• Description: Voltage Mode PWM Controllers Hi-Freq. singl-phase PWM controller w/Po
• Manufacturer: STMicroelectronics

Specifications of L6728A

• Number Of Outputs: Dual Output
• Topology: Buck
• Output Voltage: 0.8 V
• Output Current: 1500 mA
• Switching Frequency: 660 KHz
• Duty Cycle (max): 67 %
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Package / Case: VFDFPN-10 EP
• Synchronous Pin: No
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L6728A
11.2
Demonstration board characterization
Figure 12
accuracy and efficiency.
Figure 12. 20 A demonstration board performances
-0,1%
-0,2%
-0,3%
100%
0,3%
0,2%
0,1%
0,0%
90%
80%
70%
60%
50%
40%
0,0
4
2,5
5
and
6
5,0
Figure 17
7
7,5
Load / Line Regulation
Input Voltage @ 8 V
0A
8
Output Current [A]
10,0
Input Voltage [V]
9
12,5
show the electrical performances of the tamboured in terms of
5A
Vout = 0.8 V
Vout = 2.5 V
Vout = 5 V
10
15,0
11
10A
17,5
12
20,0
15A
Vout = 1.25 V
Vout = 3.3 V
13
22,5
14
20A
25,0
15
100%
100%
90%
80%
70%
60%
50%
40%
90%
80%
70%
60%
50%
40%
0,0
0
2,5
3
5,0
5
7,5
Input Voltage @ 12 V
8
Input Voltage @ 5 V
20 A demonstration board
Output Current [A]
10,0
Output Current [A]
10
12,5
13
Vout = 0.8 V
Vout = 2.5 V
Vout = 0.8 V
Vout = 2.5 V
Vout = 5 V
15,0
15
17,5
18
20,0
Vout = 1.25 V
Vout = 3.3 V
Vout = 8 V
Vout = 1.25 V
Vout = 3.3 V
20
22,5
23
24/32
25,0
25