參數(shù)資料
型號: S-8338ACAA-T8T1
元件分類: 穩(wěn)壓器
英文描述: 0.16 A SWITCHING CONTROLLER, 1133 kHz SWITCHING FREQ-MAX, PDSO8
封裝: TSSOP-8
文件頁數(shù): 29/49頁
文件大?。?/td> 554K
代理商: S-8338ACAA-T8T1
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLERS
Rev.2.1_01
S-8337/8338 Series
Seiko Instruments Inc.
35
2-2. VOUT
= 9.2 V (RFB1 = 8.2 k, RFB2 = 1.0 k)
(1) fOSC
= 1133 kHz, MaxDuty = 77 % (ROSC = 120 k, RDuty = 180 k)
(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 k, RDuty = 300 k)
(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 k, RDuty = 750 k)
(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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