S-8353A50MC-IRJ-T2 Seiko Instruments, S-8353A50MC-IRJ-T2 Datasheet - Page 2

• Manufacturer Part Number: S-8353A50MC-IRJ-T2
• Description: DC/DC Switching Regulators 5.0V Step-Up 2.4%
• Manufacturer: Seiko Instruments

Specifications of S-8353A50MC-IRJ-T2

• Output Voltage: 5 V
• Input Voltage: 10 V
• Duty Cycle (max): 90 %
• Switching Frequency: 50 KHz
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Block Diagrams
(1) A, C and H Types (Without Shutdown Function)
(2) A and H Types (With Shutdown Function)
(3) D and J Types (V
DD
/ V
OUT
Separate Type)
CONT
CONT
CONT
reference power
Soft start built-in
reference power
Soft start built-in
reference power
Soft start built-in
ON
supply
supply
PWMcontrol circuit
PWMcontrol circuit
PWMcontrol circuit
Oscillation circuit
supply
Oscillation circuit
Oscillation circuit
swiching control
swiching control
swiching control
or PWM / PFM
/
or PWM / PFM
or PWM / PFM
Seiko Instruments Inc.
OFF
circuit
circuit
circuit
Figure 1
Figure 2
Figure 3
compensation
compensation
compensation
Phase
IC internal
power supply
circuit
Phase
circuit
Phase
circuit
IC internal
power supply
IC internal
power supply
VDD
+
−
+
−
+
−
VOUT
VOUT
VOUT
VSS
VSS
VSS
Rev.3.0
_00