STEVAL-ISA055V1 STMicroelectronics, STEVAL-ISA055V1 Datasheet - Page 14

• Manufacturer Part Number: STEVAL-ISA055V1
• Description: BOARD EVAL BASED ON ST1S12
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA055V1

• Mfg Application Notes: ST1S12 AppNote
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2V
• Current - Output: 700mA
• Voltage - Input: 2.5 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 1.7MHz
• Board Type: Fully Populated
• Utilized Ic / Part: ST1S12
• Input Voltage: 2.5 V to 5.5 V
• Output Voltage: 1.2 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: ST1S12XX
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Synchronous Buck Converter
• Kit Contents: Board
• 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: ST1S12x
• Other names: 497-8219

Typical performance characteristics
14/20
Figure 22. Line transient
V
Figure 24. Start-up transient
V
IN
IN
= V
10µF, V
= V
10µF, V
EN
EN
from 4.5 V to 5.5 V, I
from 0 V to 6 V, I
OUT
OUT
= 1.8 V
= 1.8 V
OUT
OUT
= 350 mA, C
= 350 mA, C
IN
= C
IN
= C
OUT
Doc ID 14314 Rev 3
OUT
=
V
V
V
V
IN
OUT
OUT
IN
=
Figure 23. Load transient
V
Figure 25. Enable transient
V
IN
IN
=3.6, V
= V
10µF, V
EN
= 3 V, I
EN
OUT
ST1S12XX, ST1S12XX12, ST1S12XX18
from 0 V to 2 V, I
= 1.8 V
OUT
= 100 mA to 700 mA, t
OUT
= 350 mA, C
R
= t
IN
F
= C
= 200 ns
V
I
OUT
OUT
OUT
V
V
EN
OUT
=