S-8353 Seiko Instruments, S-8353 Datasheet - Page 13

• Manufacturer Part Number: S-8353
• Description: (S-8353 / S-8354) PWM Control Switchable Built-in Transistor Switching Regulator
• Manufacturer: Seiko Instruments

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External parts
V
With shutdown function :
For V
Remark
Rev.1.4
IN
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
= V
Coil:
Diode:
Capacitor:
DD
OUT(S)
/ V
1. V
2. V
OUT
_00
× 0.6 applied, I
voltage.
separate type : VDD pin is connected to VOUT pin
OUT(S)
DD
A step-up operation is performed from V
stabilizing the output voltage and oscillation frequency. (V
value of less than 1.9 V.)
CDRH6D28-220 of Sumida Corporation
MA2Z748 (Shottky type) of Matsushita Electric Industrial Co., Ltd.
F93 (16 V, 22 µ F tantalum type) of Nichicon Corporation
/ V
OUT
specified above is the set output voltage value, and V
separate type
OUT
= V
ON
OUT(S)
/
OFF
/ 250 Ω
pin is connected to V
Seiko Instruments Inc.
DD
OUT
= 0.8 V.
DD
However, 1.8 V ≤ V
≥ 1.8 V must be applied for products with a set
OUT
is the typical value of the actual output
S-8353/8354 Series
DD
≤ 10 V  i s recommended
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