STEVAL-ISA026V1 STMicroelectronics, STEVAL-ISA026V1 Datasheet - Page 25

• Manufacturer Part Number: STEVAL-ISA026V1
• Description: EVAL BOARD 20A 250KHZ L6732
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA026V1

• Design Resources: STEVAL-ISA026V1 Gerber Files STEVAL-ISA026V1 Schematic STEVAL-ISA026V1 Bill of Material
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 20A
• Voltage - Input: 4.5 ~ 14V
• Regulator Topology: Buck
• Frequency - Switching: 250kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6732
• Input Voltage: 4.5 V to 14 V
• Output Voltage: 3.3 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: L6732
• Kit Application Type: Power Management - Voltage Regulator
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L6732
• Other names: 497-5869

L6732
Equation 14
Equation 15
Equation 16
Equation 17
Equation 18
Equation 19
●
●
Compensation network singularity frequencies:
Compensation network design:
–
–
–
–
–
–
Put the gain R
Place
Place
Place
Place
Check the loop gain considering the error amplifier open loop gain.
ω
ω
ω
ω
Z1
Z2
P1
P2
before the output filter resonance
at the output filter resonance
at the output capacitor ESR zero
at one half of the switching frequency;
ϖ
5
ω
/R
ω
C
P
Z
1
3
ω
2
=
ω
ω
=
in order to obtain the desired converter bandwidth
=
ESR
P
Z
R
R
R
2
1
C
5
3
5
=
=
=
⋅
20
⋅
⎛
⎜ ⎜
⎝
∆
R
R
ESR
⋅
C
Vin
Vosc
C
5
(
4
R
18
⋅
1
⋅
1
18
1
1
C
C
3
+
⋅
1
⋅
19
+
20
C
Cout
C
⋅
R
ϖ
19
19
4
LC
)
⎞
⎟ ⎟
⎠
ω
LC
;
ω
ω
ESR
LC
;
;
Application details
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