S-8353A50MC-IRJ-T2 Seiko Instruments, S-8353A50MC-IRJ-T2 Datasheet - Page 28

• 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

28
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
(6) Oscillation Frequency (f
(7) Maximum Duty Ratio (MaxDuty) vs. Temperature (Ta)
(10)
(8) PWM / PFM Switching Duty Ratio (PFMDuty) vs.
100
70
60
50
40
30
ON
90
80
70
60
50
25
20
15
10
1.0
0.8
0.6
0.4
0.2
Temperature (Ta) (S-8354 Series)
−40 −20 0
5
− 40 − 20
Temperature (Ta) (S-8354 Series)
−40 −20
0
−40 −20
/
OFF
Pin Input Voltage “L” 1 (V
0
0
0
Ta [°C]
20 40
Ta [°C]
20
20
Ta [ ° C]
20
Ta [°C]
40 60 80 100
40 60 80 100
40 60 80 100
f
OSC
f
OSC
f
OSC
f
OSC
OSC
) vs. Temperature (Ta)
60 80 100
= 250 kHz
= 250 kHz
= 50 kHz
= 50 kHz
SL1
Seiko Instruments Inc.
) vs.
(11)
(9)
ON
ON
100
Temperatuer (Ta)
350
300
250
200
150
1.0
0.8
0.6
0.4
0.2
Temperature (Ta)
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
−40 −20
/
/
0
−40 −20 0
−40 −20 0
0
−40 −20
OFF
OFF
Pin Input Voltage “H” (V
Pin Input Voltage “L” 2 (V
0
0
Ta [°C]
Ta [°C]
20
20 40 60 80 100
Ta [°C]
20 40
Ta [°C]
20 40 60 80 100
40
f
f
OSC
f
f
OSC
OSC
OSC
60 80 100
60 80 100
= 250 kHz
= 250 kHz
= 250 kHz
= 250 kHz
Rev.3.0
SH
SL2
) vs.
) vs.
_00