S-9365AAAAAI6TIG2 SII [Seiko Instruments Inc], S-9365AAAAAI6TIG2 Datasheet - Page 24

• Manufacturer Part Number: S-9365AAAAAI6TIG2
• Description: STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
• Manufacturer: SII [Seiko Instruments Inc]

24
S-8365/8366 Series
STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Standard Circuit
(1) With short-circuit protection (SNT-6A, SOT-23-6)
(2) Without short-circuit protection (SOT-23-5)
V
V
IN
IN
C
C
IN
IN
L
0.1 µF
0.1 µF
L
M1
M1
ON/OFF
ON/OFF
VDD
VDD
EXT
EXT
UVLO
UVLO
circuit
circuit
ON/OFF
ON/OFF
circuit
circuit
PWM / PFM switching
Seiko Instruments Inc.
PWM / PFM switching
Timer latch short-circuit
PWM control, or
PWM control, or
control circuit
protection circuit
control circuit
PWM comparator
PWM comparator
Figure 20
Figure 21
CSP
Ground point
Ground point
SD
SD
oscillation circuit
oscillation circuit
Triangular wave
Triangular wave
+
−
+
−
with soft-start circuit
with soft-start circuit
Reference voltage
Reference voltage
Error
amplifier
Error
amplifier
+
−
+
−
VSS
VSS
FB
FB
C
C
FB
FB
Rev.1.1
R
R
R
R
FB1
FB1
FB2
FB2
V
V
OUT
OUT
C
C
OUT
OUT
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