參數(shù)資料
型號(hào)： S-8351A28MC-J2NT2G
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDSO5
封裝： LEAD FREE, SOT-23, 5 PIN
文件頁數(shù)： 2/50頁
文件大?。?/td> 630K
代理商： S-8351A28MC-J2NT2G
STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
Rev.2.4_00
Seiko Instruments Inc.
10
Electrical Characteristics
(1) S-8351 Series
Table 15 (1 / 2)
(Ta = 25
°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Measurement
circuit
Output voltage
VOUT
VOUT(S)
× 0.976
VOUT(S) VOUT(S)
× 1.024
V
1
Input voltage
VIN
10
V
1
Operation start voltage
VST1
IOUT = 1 mA
0.9
V
1
Oscillation start voltage
VST2
No external parts, Voltage applied to VOUT,
CONT pin pulled up to VOUT with 300
resistor
0.8
V
2
S-8351x15 to 29
8.5
A
1
S-8351x30 to 49
9.0
A
1
Input current during no- load
IIN
IOUT = 0 mA
S-8351x50 to 65
9.5
A
1
S-8351x15 to 19
9.6
16.0
A
2
S-8351x20 to 29
15.7
26.2
A
2
S-8351x30 to 39
23.2
38.6
A
2
S-8351x40 to 49
32.0
53.3
A
2
S-8351x50 to 59
42.1
70.2
A
2
Current consumption 1
ISS1
VOUT = VOUT(S)
× 0.95
S-8351x60 to 65
54.9
91.5
A
2
S-8351x15 to 19
2.3
3.5
A
2
S-8351x20 to 29
2.5
3.8
A
2
S-8351x30 to 39
2.7
4.1
A
2
S-8351x40 to 49
2.9
4.4
A
2
S-8351x50 to 59
3.1
4.7
A
2
Current consumption 2
ISS2
VOUT = VOUT(S)
+ 0.5 V
S-8351x60 to 65
3.3
5.1
A
2
Current consumption during
shutdown
(With shutdown function)
ISSS
OFF
/
ON
V
= 0 V
0.5
A
2
S-8351x15 to 19
50.2
91.2
mA
2
S-8351x20 to 24
65.0
118.2
mA
2
S-8351x25 to 29
78.5
142.7
mA
2
S-8351x30 to 39
90.7
164.8
mA
2
S-8351x40 to 49
110.9
201.6
mA
2
S-8351x50 to 59
125.7
228.6
mA
2
Switching current
ISW
VCONT = 0.4 V
S-8351x60 to 65
135.2
245.8
mA
2
Switching transistor leakage
current
ISWQ
No external parts, VCONT = VOUT = 10 V,
OFF
/
ON
V
= 0 V
0.5
A
2
CONT pin limit voltage
VCONTLMT
Apply to CONT pin, Confirm oscillation stop
0.9
V
2
Line regulation
VOUT1
VIN = VOUT(S)
× 0.4 to × 0.6
30
60
mV
1
Load regulation
VOUT2
IOUT = 10
A to VOUT(S) / 250 × 1.25
30
60
mV
1
Output voltage temperature
coefficient
OUT
V
Ta
V
Ta =
40°C to + 85°C
±50
ppm /
°C
1
Oscillation frequency
fOSC
VOUT = VOUT(S)
× 0.95,
Measured waveform at CONT pin
90
100
110
kHz
2
Duty ratio 1
Duty1
VOUT = VOUT(S)
× 0.95,
Measured waveform at CONT pin
70
75
80
%
2
Duty ratio 2
(For A, B, D type)
Duty2
Measured waveform at CONT pin at light load
50
%
1
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