参数资料
型号: S-8338AAHB-T8T1G
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, TSSOP-8
文件页数: 30/51页
文件大小: 446K
代理商: S-8338AAHB-T8T1G
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
Rev.4.0_00
36
Seiko Instruments Inc.
2. 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)
(a) IOUT vs. η
(b) IOUT vs. VOUT
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
η
[%]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
9.30
9.25
9.20
9.15
9.10
9.05
9.00
VOUT
[V]
1
10
100
1000
0.1
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
(2) fOSC = 700 kHz, MaxDuty = 77 % (ROSC = 200 kΩ, RDuty = 300 kΩ)
(a) IOUT vs. η
(b) IOUT vs. VOUT
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
η
[%]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
9.30
9.25
9.20
9.15
9.10
9.05
9.00
VOUT
[V]
1
10
100
1000
0.1
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
(3) fOSC = 286 kHz, MaxDuty = 77 % (ROSC = 510 kΩ, RDuty = 750 kΩ)
(a) IOUT vs. η
(b) IOUT vs. VOUT
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
0.1
η
[%]
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
9.30
9.25
9.20
9.15
9.10
9.05
9.00
VOUT
[V]
1
10
100
1000
0.1
IOUT [mA]
0.01
VIN = 5.0 V
VIN = 3.3 V
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