EVALA5970AD STMicroelectronics, EVALA5970AD Datasheet - Page 34

• Manufacturer Part Number: EVALA5970AD
• Description: BOARD EVAL FOR A5970AD REG
• Manufacturer: STMicroelectronics

Specifications of EVALA5970AD

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.235 ~ 35V
• Current - Output: 1A
• Voltage - Input: 4 ~ 36V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: A5970AD
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Application information
34/42
Equation 41
The figure below shows an example of a compensation network stabilizing the system with
ceramic capacitors at the output (the optimum component value depends on the
application).
Figure 25. MLCC compensation network example
f
Z ESR
Doc ID 14661 Rev 4
=
----------------------------------------------- -
2 π ESR C
f
A5970AD
⋅
LC
⋅
<
f
Z ESR
1
⋅
<
OUT
10 f
⋅
<
LC
bandwidth
A5970AD