参数资料
型号: S-8338ABCA-P8T1G
元件分类: 稳压器
英文描述: 0.16 A SWITCHING CONTROLLER, 1246.3 kHz SWITCHING FREQ-MAX, PDSO8
封装: LEAD FREE, SON-8
文件页数: 32/51页
文件大小: 446K
代理商: S-8338ABCA-P8T1G
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
Rev.4.0_00
38
Seiko Instruments Inc.
3. Reference data (2)
The data of output current (IOUT) vs. ripple voltage (Vr) characteristics is shown below.
3. 1 VOUT = 13.1 V (RFB1 = 7.5 kΩ, RFB2 = 620 Ω)
(1) fOSC = 1133 kHz, MaxDuty = 77 % (ROSC = 120 kΩ, RDuty = 180 kΩ)
(2) fOSC = 700 kHz, MaxDuty = 77 % (ROSC = 200 kΩ, RDuty = 300 kΩ)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
(3) fOSC = 286 kHz, MaxDuty = 77 % (ROSC = 510 kΩ, RDuty = 750 kΩ)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
3. 2 VOUT = 9.2 V (RFB1 = 8.2 kΩ, RFB2 = 1.0 kΩ)
(1) fOSC = 1133 kHz, MaxDuty = 77 % (ROSC = 120 kΩ, RDuty = 180 kΩ)
(2) fOSC = 700 kHz, MaxDuty = 77 % (ROSC = 200 kΩ, RDuty = 300 kΩ)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
(3) fOSC = 286 kHz, MaxDuty = 77 % (ROSC = 510 kΩ, RDuty = 750 kΩ)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
Vr
[mV]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
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