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參數(shù)資料
| 型號(hào)： | HA17524 |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | FPGA |
| 英文描述： | 3000000 SYSTEM GATE 1.5 VOLT FPGA |
| 中文描述： | 開(kāi)關(guān)穩(wěn)壓器控制器 |
| 文件頁(yè)數(shù)： | 5/18頁(yè) |
| 文件大小： | 88K |
| 代理商： | HA17524 |
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HA17524P/FP
5
I
I
Q
1
R
T
C
T
Q
2
V
REF
Q
Discharge
3
V
H
V
L
V
T
C
T
Terminal Waveform
V
REF
– V
EB
(Q
2
) – V
EB
(Q
3
)
I
V = V – V
L
3.8 – 0.9 = 2.9 V
1
I
T C
T
·
V ·
R
T
6
7
Figure 4 Oscillating Circuit and C
T
Terminal Waveform
The oscillator output pulse signal is used as the flip flop clock pulse and as switching pulses for the output
transistors, synchronous to the clock pulse.
The pulse-widths which can be controlled by the timing capacitor C
T
as shown in figure 5, increases output
dead time.
0.001
0.003
0.01
0.03
0.1
0.1
0.3
1.0
3
10
Timing Capacitance C
T
(
μ
F)
D
μ
s
V = 20 V
R = 10 k
Ta = 25
°
C
Figure 5 Dead Time vs Timing Capacitance
Reference Voltage: The built-in regulator (reference voltage: V
REF
= 5 ±0.4 V) can be used as a reference
power supply for the error amplifier, which determines output voltage (V
OUT
). It is also connected as a bias
source for another circuits in IC.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17524FP | 3000000 SYSTEM GATE 1.5 VOLT FPGA |
| HA17524P | 3000000 SYSTEM GATE 1.5 VOLT FPGA |
| HA17555FP | Precision Timer |
| HA17555PS | Precision Timer |
| HA17555 | Precision Timer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA17524FP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Switching Regulator Controller |
| HA17524G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| HA17524P | 制造商:Panasonic Industrial Company 功能描述:IC |
| HA17524SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| HA17555 | 制造商:Panasonic Industrial Company 功能描述:IC |
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