參數資料
型號: MB3885PFV
廠商: FUJITSU LTD
元件分類: 穩(wěn)壓器
英文描述: 1-channel DC/DC Converter IC with Synchronous Rectifier
中文描述: 0.8 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封裝: PLASTIC, SSOP-20
文件頁數: 11/29頁
文件大?。?/td> 239K
代理商: MB3885PFV
MB3885
11
(Continued)
Ta
=
+
25
°
C
VCC
=
12 V
CTL
=
5 V
RT
=
10 k
10 M
1 M
100 k
10 k
1 k
10
100
1000
10000
100000
T
O
Timing capacitor C
T
(pF)
Triangular Wave Oscillator Frequency vs.
Timing Capacitor
Ta
=
+
25
°
C
VCC
=
12 V
CTL
=
5 V
CTL
=
150 pF
10 M
1 M
100 k
10 k
1 k
100
1 k
10 k
100 k
CTL
=
470 pF
CTL
=
15000 pF
T
O
Timing resistor R
T
(
)
Triangular Wave Oscillator Frequency vs.
Timing Resistor
Ta
=
+
25
°
C
RT
=
10 k
CT
=
470 pF
250
240
230
220
210
200
190
180
170
160
150
0
5
10
15
20
T
O
Supply voltage V
CC
(V)
Triangular Wave Oscillator Frequency vs.
Supply Voltage
VCC
=
12 V
RT
=
10 k
CT
=
470 pF
250
240
230
220
210
200
190
180
170
160
150
0
20
40
20
40
60
80
100
T
O
Ambient temperature Ta (
°
C)
Triangular Wave Oscillator Frequency vs.
Ambient Temperature
Ta
=
+
25
°
C
40
20
0
20
40
180
90
0
90
180
1 k
10 k
100 k
1 M
10 M
A
V
φ
+
+
+
8
6
7
OUT
IN 10
μ
F
4.7 k
4.7 k
2.4 k
240 k
1.5 V
1.25 V
VCC
=
12 V
Error Amp.
G
V
P
φ
Frequency f (Hz)
Error Amp Gain, Phase vs. Frequency
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