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S8340 Datasheet(PDF) 33 Page - Seiko Instruments Inc

Part # S8340
Description  STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
PDF  55 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8340 Datasheet(HTML) 33 Page - Seiko Instruments Inc

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STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8340/8341 Series
33
Table 12 External Parts List for Output Current vs. PFM/PWM Switching Input Voltage Characteristics
Data for A Type
No.
Product
Name
Output
Voltage
Inductor
Transistor
Diode
Output Capacitor
Sense
Resistor
Application
(25)
S-8341A25AFT
2.5 V
CDRH5D18/4.1
μH
NDS335N
RB491D
F920J476MB3
× 1
0
Ω
*1
(26)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*2
(27)
S-8341A33AFT
3.3 V
CDRH5D18/4.1
μH
NDS335N
RB491D
F920J476MB3
× 1
*1
(28)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*2
(29)
S-8341A50AFT
5.0 V
CDRH5D18/4.1
μH
NDS335N
RB491D
F951A476MF1
× 1
*1
(30)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*2
*1. CDRH5D18 + NDS335N + RB491D: For small and thin parts of which height is 2 mm or shorter (The maximum current of
an external part should be set to 1.7 A.)
*2. CDRH124 + FTS2001 + RBO81L-20: For heavy load current (The maximum current of an external part should be set to
4.5 A.)
Table 13 External Parts List for Output Current vs. PFM/PWM Switching Input Voltage Characteristics
Data for C Type
No.
Product
Name
Output
Voltage
Inductor
Transistor
Diode
Output Capacitor
Sense
Resistor
Application
(31)
S-8341C25AFT
2.5 V
CDRH6D28/10
μH
FDN335N
RB491D
F951C476MG1
× 1
0
Ω
*3
(32)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*4
(33)
S-8341C33AFT
3.3 V
CDRH6D28/10
μH
FDN335N
RB491D
F951C476MG1
× 1
*3
(34)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*4
(35)
S-8341C50AFT
5.0 V
CDRH6D28/10
μH
FDN335N
RB491D
F951C476MG1
× 1
*3
(36)
CDRH124/10
μH
FTS2001
RBO81L-20 F951C476MG1
× 2
*4
*3. CDRH6D28 + FDN335N + RB491D: For part heights of 3 mm and high efficiency
*4. CDRH124 + FTS2001 + RBO81L-20: For optimizing the load current driveability



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