參數資料
型號: HA17384HPS
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?。?/td> 145K
代理商: HA17384HPS
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
HA17384SPS 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)
HA17385HRP 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)
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
相關代理商/技術參數
參數描述
HA17384HPS/HRP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply
HA17384HRP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply
HA17384PS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CURRENT MODE PWM CONTROL SWITTCHING REGULATOR ICS
HA17384SPS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply