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參數(shù)資料
| 型號(hào)： | HA17384HRP |
| 廠商： | Hitachi,Ltd. |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | High Speed Current Mode PWM Control IC for Switching Power Supply |
| 中文描述： | 高速開(kāi)關(guān)電源電流模式PWM控制IC |
| 文件頁(yè)數(shù)： | 14/31頁(yè) |
| 文件大?。?/td> | 145K |
| 代理商： | HA17384HRP |
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HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
14
V
COMP terminal
(Error output)
PWM pulse
Latch setting pulse
(Implemented in triagular
wave oscillator)
Latch setting
pulse
V
COMP
Error voltage
V
CS
Current sensing
level
R
S
Q
1 V
V
CS
CS terminal
2 R
R
2V
F
×
1
3
+CS
CS
latch
Figure 3 Operation Diagram of Current Sensing Part
Point:
C
T
C
Error Amplifier Output Voltage Vcomp (V)
Light load
Heavy load
1) At maximum rated load, the setting should be made to give
approximately 90% of area A below.
2) When the OVP latch is operated, the setting should be made
in area B or C.
1.0
0.8
0.6
0.4
0.2
0.00
1
2
3
4
5
6
7
8
B
A
C
1.4V
4.4V
7.5V
A : Stationary operation / PWM
(Current-mode operation)
B : Current limit operation / Max duty cycle
C : No sensitivity area / No PWM output
Figure 4 Current Sense Characteristics
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17384SRP | High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17385HPS | High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17384 | 250000 SYSTEM GATE 1.5 VOLT FPGA |
| HA17393 | Dual Comparator |
| HA17903FPK | Dual Comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA17384PS | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:CURRENT MODE PWM CONTROL SWITTCHING REGULATOR ICS |
| HA17384SPS | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17384SPS-E | 制造商:Renesas Electronics 功能描述:Current Mode PWM Controller 1A 8-Pin PDIP Bulk |
| HA17384SRP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply |
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