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S-8351A50MC-J3JT2G Datasheet, PDF (13/51 Pages) Seiko Instruments Inc – STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER | |||
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STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_00
S-8351/8352 Series
(2) S-8352 Series
Item
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)
Symbol
VOUT
VIN
VST1
VST2
ISS1
ISS2
Table 16 (1 / 2)
Condition
â
â
IOUT = 1 mA
No external parts, Voltage applied to VOUT
S-8352x15 to 19
S-8352x20 to 29
VOUT = VOUT(S) Ã 0.95
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
S-8352x15 to 19
S-8352x20 to 29
VOUT = VOUT(S) + 0.5 V
S-8352x30 to 39
S-8352x40 to 49
S-8352x50 to 59
S-8352x60 to 65
(Ta = 25°C unless otherwise specified)
Min. Typ. Max.
Unit
Measurement
circuit
VOUT(S) VOUT(S) VOUT(S)
à 0.976
à 1.024
V
3
â
â 10
V
3
â
â 0.9
V
3
â
â 0.8
V
4
â 7.4 12.3 μA
4
â 12.0 20.0 μA
4
â 17.8 29.6 μA
4
â 24.7 41.1 μA
4
â 32.7 54.5 μA
4
â 43.0 71.6 μA
4
â 2.3 3.5 μA
4
â 2.5 3.8 μA
4
â 2.7 4.1 μA
4
â 2.9 4.4 μA
4
â 3.1 4.7 μA
4
â 3.3 5.1 μA
4
ISSS
VON/ OFF = 0 V
â
â 0.5 μA
4
S-8352x15 to 19 â 3.5 â 6.3 â
mA
4
S-8352x20 to 24 â 5.2 â 9.4 â
mA
4
S-8352x25 to 29 â 6.8 â 12.3 â
mA
4
IEXTH
VEXT = VOUT â 0.4 V
S-8352x30 to 39 â 8.2 â 14.9 â
mA
4
S-8352x40 to 49 â 10.7 â 19.4 â
mA
4
S-8352x50 to 59 â 12.5 â 22.8 â
mA
4
S-8352x60 to 65 â 13.9 â 25.2 â
mA
4
S-8352x15 to 19 3.8 6.9 â
mA
4
S-8352x20 to 24 5.6 10.2 â
mA
4
S-8352x25 to 29 7.3 13.3 â
mA
4
IEXTL
VEXT = â 0.4 V
S-8352x30 to 39 8.9 16.2 â
mA
4
S-8352x40 to 49 11.6 21.1 â
mA
4
S-8352x50 to 59 13.7 25.0 â
mA
4
S-8352x60 to 65 15.3 27.8 â
mA
4
ÎVOUT1
ÎVOUT2
ÎVOUT
ÎTa ⢠VOUT
VIN = VOUT(S) à 0.4 to à 0.6
IOUT = 10 μA to VOUT(S) / 100 à 1.25
Ta = â 40°C to + 85°C
â 30 60 mV
3
â 30 60 mV
3
â ±50 â ppm / °C
3
fOSC
VOUT = VOUT(S) Ã 0.95,
Measured waveform at EXT pin
90 100 110 kHz
4
Duty1
VOUT = VOUT(S) Ã 0.95,
Measured waveform at EXT
70 75 80
%
4
Duty2
Measured waveform at EXT pin at light load â 50 â
%
3
Seiko Instruments Inc.
13
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