S-8352 Seiko Instruments, S-8352 Datasheet - Page 12

• 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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12
Output voltage
Input voltage
Operation start voltage
Oscillation start voltage
Current consumption 1
Current consumption 2
Current consumption during
shutdown
(With shutdown function)
EXT pin output current
Line regulation
Load regulation
Output voltage temperature
coefficient
Oscillation frequency
Duty ratio 1
Duty ratio 2
(For A, B, D type)
STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
(2) S-8352 Series
Item
V
V
V
V
I
I
I
I
I
∆V
∆V
∆
f
Duty1
Duty2
SS1
SS2
SSS
EXTH
EXTL
OSC
OUT
IN
ST1
ST2
Ta
Symbol
∆
OUT1
OUT2
V
•
OUT
V
OUT
V
I
No external parts, Voltage applied to V
V
V
V
V
V
I
Ta = − 40 to + 85°C
V
Measured waveform at EXT pin
V
Measured waveform at EXT
Measured waveform at EXT pin at light load
OUT
OUT
ON
OUT
OUT
EXT
EXT
IN
OUT
OUT
= V
= 1 mA
/
= 10 µA to V
= V
= − 0.4 V
OFF
= V
= V
= V
= V
OUT(S)
OUT
OUT(S)
OUT(S)
OUT(S)
OUT(S)
Seiko Instruments Inc.
= 0 V
− 0.4 V
× 0.4 to × 0.6
× 0.95
+ 0.5 V
× 0.95,
× 0.95,
Table 16 (1 / 2)
OUT(S)
Condition
−
−
/ 100 × 1.25
S-8352x15 to 19
S-8352x20 to 29
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
S-8352x15 to 19
S-8352x20 to 29
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
S-8352x15 to 19
S-8352x20 to 24
S-8352x25 to 29
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
S-8352x15 to 19
S-8352x20 to 24
S-8352x25 to 29
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
OUT
× 0.976
V
− 10.7 − 19.4
− 12.5 − 22.8
− 13.9 − 25.2
− 3.5
− 5.2
− 6.8
− 8.2
11.6
13.7
15.3
Min.
OUT(S)
3.8
5.6
7.3
8.9
90
70
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
(Ta = 25 ° C unless otherwise specified)
V
− 12.3
− 14.9
− 6.3
− 9.4
Typ.
12.0
17.8
24.7
32.7
43.0
10.2
13.3
16.2
21.1
25.0
27.8
±50
100
OUT(S)
7.4
2.3
2.5
2.7
2.9
3.1
3.3
6.9
30
30
75
50
−
−
−
−
× 1.024
V
Max.
12.3
20.0
29.6
41.1
54.5
71.6
110
OUT(S)
0.9
0.8
3.5
3.8
4.1
4.4
4.7
5.1
0.5
10
60
60
80
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
ppm / °C
Unit
kHz
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mV
mV
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
%
%
V
V
V
V
Rev.2.0
Measurement
circuit
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
4
3
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