S-8352 Seiko Instruments, S-8352 Datasheet - Page 29

• Manufacturer Part Number: S-8352
• Description: (S-8351 / S-8352) SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
• Manufacturer: Seiko Instruments

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Rev.2.0
6. Temperature (Ta) vs. Oscillation Frequency (f
7. Temperature (Ta) vs. Duty Ratio 1 (Duty1)
9. Output Voltage (V
11. Output Voltage (V
STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
_00
140
130
120
110
100
78
76
74
72
70
80
90
80
300
250
200
150
100
35
30
25
20
15
10
−50 −25
−50 −25
50
5
0
0
0
0
1
OUT
1
) vs. EXT Pin Output Current “H” (I
S-8351A30MC
S-8351A50MC
OUT
S-8351A30MC
S-8351A50MC
2
0
2
0
) vs. Switching Current (I
V
Ta [°C]
Ta [°C]
V
3
OUT
3
OUT
25
25
[V]
4
[V]
4
50
Ta = 25 °C
50
Ta = 25 °C
5
5
75 100
75
6
6
7
100
7
Seiko Instruments Inc.
OSC
SW
EXTH
)
)
)
12. Temperature (Ta) vs. EXT Pin Output Current “H” (I
8. Temperature (Ta) vs. Duty Ratio 2 (Duty2)
10. Temperature (Ta) vs. Switching Current (I
400
350
300
250
200
150
100
40
30
20
10
53
51
49
47
45
50
55
0
−50 −25
0
−50 −25
−50 −25
S-8352A30MC
S-8352A50MC
S-8351A30MC
S-8351A50MC
S-8351A30MC
S-8351A50MC
0
0
0
Ta [°C]
Ta [°C]
Ta [°C]
25
25
25
S-8351/8352 Series
50
50
50
75
75
75
100
100
100
EXTH
)
SW
)
29