ST1S12XX18 STMICROELECTRONICS [STMicroelectronics], ST1S12XX18 Datasheet - Page 3

• 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]

1
Figure 1.
Schematic diagram
Schematic
Σ
SOFT START
REF1
V
V
C
SUM
Comp
FB/V
OSC
O
V
V
RST
SET
SHUT DOWN
MOSFET
CONTROL
LOGIC
UVLO
V
EN
IN
V
DRV_P
V
I_SEN
DRV_N
DMD
Driver
+
-
Driver
DMD
+
-
R
sense
Gnd
SW
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