參數(shù)資料
型號(hào): S-8333ACIC-T8T1G
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.16 A SWITCHING CONTROLLER, 1133 kHz SWITCHING FREQ-MAX, PDSO8
封裝: LEAD FREE, TSSOP-8
文件頁(yè)數(shù): 22/43頁(yè)
文件大?。?/td> 588K
代理商: S-8333ACIC-T8T1G
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.2.3_00
S-8333 Series
Seiko Instruments Inc.
29
2. Reference data (1)
The data of (a) output current (IOUT) vs. efficiency (
η) characteristics and (b) output current (IOUT) vs. output voltage
(VOUT) characteristics is shown below.
2. 1 VOUT
= 13.1 V (RFB1 = 7.5 k, RFB2 = 620 )
(1) fOSC
= 1133 kHz, MaxDuty = 73% (ROSC = 120 k, RDuty = 180 k)
(a) IOUT vs.
η
(b) IOUT vs. VOUT
0.01
1
10
100
1000
100
90
80
70
60
50
40
30
20
10
0
η[%]
IOUT [mA]
0.1
VIN = 5.0 V
0.01
1
10
100
1000
13.20
13.15
13.10
13.05
13.00
12.95
12.90
V
OUT
[V]
IOUT [mA]
0.1
VIN = 5.0 V
(2) fOSC
= 700 kHz, MaxDuty = 73% (ROSC = 200 k, RDuty = 300 k)
(a) IOUT vs.
η
(b) IOUT vs. VOUT
0.01
1
10
100
1000
100
90
80
70
60
50
40
30
20
10
0
η[%]
IOUT [mA]
0.1
VIN = 5.0 V
0.01
1
10
100
1000
13.20
13.15
13.10
13.05
13.00
12.95
12.90
V
OUT
[V]
IOUT [mA]
0.1
VIN = 5.0 V
(3) fOSC
= 286 kHz, MaxDuty = 73% (ROSC = 510 k, RDuty = 750 k)
(a) IOUT vs.
η
(b) IOUT vs. VOUT
0.01
1
10
100
1000
100
90
80
70
60
50
40
30
20
10
0
η[%]
IOUT [mA]
0.1
VIN = 5.0 V
0.01
1
10
100
1000
13.20
13.15
13.10
13.05
13.00
12.95
12.90
V
OUT
[V]
IOUT [mA]
0.1
VIN = 5.0 V
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