參數(shù)資料
型號(hào): IP1524J
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: Voltage-Mode SMPS Controller
中文描述: 電壓模式開(kāi)關(guān)電源控制器
文件頁(yè)數(shù): 6/6頁(yè)
文件大?。?/td> 72K
代理商: IP1524J
LAB
SEME
IP1524 SERIES
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 3/95
O
-10
0
10
20
30
40
50
60
70
80
90
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
R = 300k
R = 100k
V = 20V
T = 25C
Note:
Value of R below 30k
will begin to
limit the maximum duty cycle.
R =
R = 1M
R = 30k
1
2
5
10
20
50
100
100
1k
10k
100k
1M
O
R TIMING RESISTOR (k
)
V = 20V
T = 25C
C
=
0
.
1
μ
F
C
=
0
.
0
3
μ
F
C
=
0
.
0
1
μ
F
C
=
0
.
0
0
3
μ
F
C
=
0
.0
0
1
μ
F
T
T
T
T
T
TYPICAL PERFORMANCE CHARACTERISTICS
Open-Loop Voltage Amplification
of Error Amplifier vs. Frequency
Oscillator Frequency vs.
Timing Components
1
10
O
μ
s
0.001
0.01
0.1
0.1
C TIMING CAPACITOR (
μ
F)
V = 20V
T = 25C
Note:
Dead Time = Oscillator output pulse width
plus output delay.
0
1
2
3
4
C
0
20
40
60
80
100
LOAD CURRENT (mA)
V = 20V
T = 125C
T = 25C
J
T = -55C
Output Dead Time vs.
Timing Capacitance Value
Output Saturation Voltage vs.
Load Current
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