ST1S12XX18 STMICROELECTRONICS [STMicroelectronics], ST1S12XX18 Datasheet - Page 14
ST1S12XX18
Manufacturer Part Number
ST1S12XX18
Description
Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST1S12XX18.pdf
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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
OUT
=
V
V
V
V
IN
OUT
IN
OUT
=
Figure 23. Load transient
V
Figure 25. Enable transient
V
IN
IN
= V
=3.6, V
10µF, V
EN
= 3 V, I
EN
OUT
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
=
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