STEVAL-ISA059V1 STMicroelectronics, STEVAL-ISA059V1 Datasheet - Page 12

• Manufacturer Part Number: STEVAL-ISA059V1
• Description: DEMO BOARD BASED ON TSM108
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA059V1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 6V
• Current - Output: 800mA
• Voltage - Input: 12V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: TSM108
• Input Voltage: 12 V
• Output Voltage: 6 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: TSM108
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: DC/DC Converter
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: TSM108
• Other names: 497-8716

TSM108
12.2. Voltage and Current Control, Efficiency Performances using a PNP bipolar transistor
12/13
80%
70%
60%
50%
40%
30%
20%
10%
0%
7
6
5
4
3
2
0
6.045
6.035
6.025
1
6.05
6.04
6.03
0
0
5
Efficiency & duty cycle versus Iout
Vout & duty cycle versus Iout
0.05
Vout & Efficiency versus Vin
10
0.05
Vin=12V, Vout=6V, Iout=200mA
Vin=12V, Vout=6V, Iout=200mA
PNP transistor Rbase = 220 L=150µH
PNP transistor Rbase = 220 L=150µH
PNP transistor Rbase =220 L=150µH
Vout = 6V, Iout = 200mA
15
0.1
0.1
Iout (A)
Vin (V)
Iout (A)
20
0.15
0.15
25
30
0.2
0.2
35
85%
80%
75%
70%
65%
60%
0.25
0.25
70%
60%
50%
40%
30%
20%
10%
0%
80%
70%
60%
50%
40%
30%
20%
10%
0%