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參數(shù)資料
| 型號： | HA17524P |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | FPGA |
| 英文描述： | 3000000 SYSTEM GATE 1.5 VOLT FPGA |
| 中文描述： | 開關(guān)穩(wěn)壓器控制器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 88K |
| 代理商： | HA17524P |
HA17524P/FP
6
Error Amplifier: Figure 2 shows error amplifier biasing, applied input voltage must be set within the range
of common-mode input voltage (1.8 V to 3.4 V). Inserting a resistor and capacitor between phase
compensation terminal (pin 9) and GND in series provides phase compensation.
Current Limiter: The sense amplifier threshold voltage (V
S
) for the current limiter is:
V
S
= V
BE
(Q
) + I
1
R
2
– V
BE
(Q
2
)
= I
1
R
2
= 200 mV typ
At the current limiter sense amp shown in figure 6, when V
+
– V
–
200 mV, Q
1
turns on, phase
compensation terminal becomes low and the output switching element is cut off.
Error
Amp
Comp
C
T
Comparator
Q
1
R
1
R
2
I
1
Q
2
Sense Amp
(–)C.L.
V –
(+)C.L.
V +
Figure 6 Current Limiter Sense Amplifier
Figure 7 shows an example of detecting current limit. The input voltage range is –0.7 V to +1.0 V; The
current limit detection output is provided from GND line.
HA17524
E
1
E
2
CL(+)
CL(–)
R
S
+V
OUT
V
S
= 200 mV
I
OS
=
V
S
R
S
Figure 7 Current Limit Detector Example Operating Waveforms
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17555FP | Precision Timer |
| HA17555PS | Precision Timer |
| HA17555 | Precision Timer |
| HA17555F | Precision Timer |
| HA17558 | 3000000 SYSTEM GATE 1.5 VOLT FPGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| HA17555-E | 制造商:Renesas Electronics 功能描述:Standard Timer Single 8-Pin PDIP Cut Tape 制造商:Renesas 功能描述:Standard Timer Single 8-Pin PDIP |
| HA17555F | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Precision Timer |
| HA17555FP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Precision Timer |
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