s-8337aaca-t8t1g Seiko Instruments Inc., s-8337aaca-t8t1g Datasheet - Page 15

• Manufacturer Part Number: s-8337aaca-t8t1g
• Description: Step-up, 1.2 Mhz High-frequency, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

Rev.3.1
When substituting equation (11) for equation (15):
Therefore to reduce the ripple voltage, it is important that the capacitor connected to the output pin
has a large capacity and a small ESR.
_00
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
V
p
−
p
=
(
I
PK
I 2
−
I
PK
OUT
)
2
•
t
OFF
C
L
+
Seiko Instruments Inc.
⎛
⎜
⎝
I
PK
+
2
I
OUT
⎞
• ⎟
⎠
R
ESR
…………………………………………………..…(16)
S-8337/8338 Series
15