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參數資料
| 型號： | HA17385HRP |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | High Speed Current Mode PWM Control IC for Switching Power Supply(開關電源的高速電流模式PWM控制芯片) |
| 中文描述： | 高速開關電源電流模式PWM控制IC（開關電源的高速電流模式的PWM控制芯片） |
| 文件頁數： | 2/31頁 |
| 文件大小： | 145K |
| 代理商： | HA17385HRP |
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HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
2
Functions
Under-voltage lockout system
Reference voltage regulator of 5.0 V
±
2%
Triangular wave (sawtooth) oscillator
Error amplifier
Totem pole output driver circuit (direct driving for power MOSFETs)
Current-detection comparator circuit for current mode
OVP function (over voltage protection) *
1
TSD function (thermal shut-down protection) *
1
Protect function by zener diode (between power input and GND)
Note: 1. H series only.
Features
High-safety UVL circuit is used (Both V
IN
and Vref are monitored)
High speed operation:
Current detection response time: 100 ns Typ
Maximum oscillation frequency: 500 kHz
Low standby current: 170
μ
A Typ
Wide range dead band time
(Discharge current of timing capacitance is constant 8.4 mA Typ)
Able to drive power MOSFET directly
(Absolute maximum rating of output current is
±
1 A peak)
OVP function (over voltage protection) is included *
1
(Output stops when FB terminal voltage is 7.0 V Typ or higher)
TSD function (thermal shut-down protection) is included *
1
(Output stops when the temperature is 160
°
C Typ or higher)
Zener protection is included
(Clamp voltage between V
IN
and GND is 34 V Typ)
Wide operating temperature range:
Operating temperature: –20
°
C to +105
°
C
Junction temperature: 150
°
C *
2
Note: 1. H series only.
2. S series only.
相關PDF資料 |
PDF描述 |
|---|---|
| HA17384HRP | High Speed Current Mode PWM Control IC for Switching Power Supply |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HA17385HRP(E) | 制造商:Renesas Electronics Corporation 功能描述: |
| HA17385PS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| HA17393 | 制造商:Panasonic Industrial Company 功能描述:I.C. |
| HA17393/ASERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA17393A | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Dual Comparators |
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