S-8353A20MC-IQFT2X Datasheet, PDF (3/49 Pages) Seiko Instruments Inc – BUILT-IN TRANSISTOR SWITCHING REGULATOR

STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
Rev.3.0_01
S-8353/8354 Series
 Product Name Structure
The control system, product types, output voltage, and packages for the S-8353/8354 Series can be selected at the
user’s request. Please refer to the “3. Product Name” for the definition of the product name, “4. Package” regarding
the package drawings and “5. Product Name List” for the full product names.
1. Function List
(1) PWM Control Products
Product Name
S-8353AxxMC
S-8353AxxMA
S-8353AxxUA
S-8353CxxMA
S-8353CxxUA
S-8353DxxMC
Switching
Frequency
[kHz]
50
50
50
30
30
50
Shutdown
Function
Yes
−
−
−
−
−
Table 1
VDD / VOUT
Separate
Type
−
−
−
−
−
Package
SOT-23-5
SOT-23-3
SOT-89-3
SOT-23-3
SOT-89-3
Yes
SOT-23-5
S-8353HxxMC
250
Yes
−
SOT-23-5
S-8353HxxMA
250
−
−
SOT-23-3
S-8353HxxUA
250
−
−
SOT-89-3
S-8353JxxMC
250
−
Yes
SOT-23-5
Application
Applications requiring shutdown function
Applications not requiring shutdown function
Applications not requiring shutdown function
For pager
For pager
Applications requiring variable output voltage
with an external resistor
Applications requiring a shutdown function
and a thin coil
Applications not requiring a shutdown function
and requiring a thin coil
Applications not requiring a shutdown function
and requiring a thin coil
Applications requiring variable output voltage
with an external resistor and a thin coil
(2) PWM / PFM Switching Control Products
Table 2
Product Name
S-8354AxxMC
S-8354AxxMA
S-8354AxxUA
S-8354CxxMA
Switching
Frequency
[kHz]
50
50
50
30
Shutdown
Function
Yes
−
−
−
VDD / VOUT
Separate
Type
−
−
−
−
Package
SOT-23-5
SOT-23-3
SOT-89-3
SOT-23-3
S-8354DxxMC
50
−
Yes
SOT-23-5
S-8354HxxMC
250
Yes
−
SOT-23-5
S-8354HxxMA
250
−
−
SOT-23-3
S-8354HxxUA
250
−
−
SOT-89-3
S-8354JxxMC
250
−
Yes
SOT-23-5
Application
Applications requiring shutdown function
Applications not requiring shutdown function
Applications not requiring shutdown function
For pager
Applications requiring variable output voltage
with an external resistor
Applications requiring a shutdown function
and a thin coil
Applications not requiring a shutdown function
and requiring a thin coil
Applications not requiring a shutdown function
and requiring a thin coil
Applications requiring variable output voltage
with an external resistor and a thin coil
3