参数资料
| 型号： | BD9778HFP-TR |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A HRP7 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1 V ~ 35 V |
| 输入电压： | 7 V ~ 35 V |
| 频率 - 开关： | 50kHz ~ 500kHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 包装： | 标准包装 |
| 供应商设备封装： | HRP7 |
| 其它名称： | BD9778HFP-DKR BD9778HFP-DKR-ND BD9778HFPDKR |
Single-chip Type with built-in FET Switching Regulator Series
Flexible Step-down
Switching Regulators
with Built-in Power MOSFET
BD9778F, BD9778HFP, BD9001F, BD9781HFP
No.10027EBT41
Overview
The flexible step-down switching regulator controller is a switching regulator controller designed with a high-withstand-voltage
built-in POWER MOS FET, providing a free setting function of operating frequency with external resistor. This switching regulator
controller features a wide input voltage range (7 V to 35 V or 7 V to 48 V) and operating temperature range (-40?C to +125?C or
-40?C to +95?C). Furthermore, an external synchronization input pin (BD9781HFP) enables synchronous operation with external
clock.
Features
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Minimal external components
Wide input voltage range: 7 V to 35 V (BD9778F/HFP and BD9781HFP), 7 V to 48 V (BD9001F)
Built-in P-ch POWER MOS FET
Output voltage setting enabled with external resistor: 1 to V IN
Reference voltage accuracy: ±2%
Wide operating temperature range: -40?C to +125?C (BD9778F/HFP and BD9781HFP),
-40?C to +95?C (BD9001F)
Low dropout: 100% ON Duty cycle
Standby mode supply current: 0 μA (Typ.) (BD9778F/HFP and BD9781HFP), 4 μA (Typ.) (BD9001F)
Oscillation frequency variable with external resistor: 50 to 300 kHz (BD9001F),
50 to 500 kHz (BD9778F/HFP and BD9781HFP)
External synchronization enabled (only on the BD9781HFP)
Soft start function : soft start time fixed to 5 ms (Typ.))
Built-in overcurrent protection circuit
Built-in thermal shutdown protection circuit
High power HRP7 package mounted (BD9778HFP and BD9781HFP)
Compact SOP8 package mounted (BD9778F and BD9001F)
Applications
All fields of industrial equipment, such as Flat TV , printer, DVD, car audio, car navigation,
and communication such as ETC, AV, and OA.
Product lineup
Item
Output current
Input range
Oscillation frequency range
External synchronization
Standby function
Operating temperature
Package
BD9778F/HFP
2A
7V ~ 35V
50 ~ 500kHz
Not provided
Provided
-40?C ~ +125?C
SOP8 / HRP7
BD9001F
2A
7V ~ 48V
50 ~ 300kHz
Not provided
Provided
-40?C ~ +95?C
SOP8
BD9781HFP
4A
7V ~ 35V
50 ~ 500kHz
Provided
Provided
-40?C ~ +125?C
HRP7
www.rohm.com
? 2010 ROHM Co., Ltd. All rights reserved.
1/16
2010.02 - Rev. B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BD978 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:PNP SILICON DARLINGTON TRANSISTORS |
| BD9781HFP | 制造商:ROHM 制造商全称:Rohm 功能描述:Flexible Step-down Switching Regulators with Built-in Power MOSFET |
| BD9781HFP-TR | 功能描述:开关变换器、稳压器与控制器 IC REG SW 4A P-CH MOSF STDN RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| BD979 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:TRANSISTOR | BJT | DARLINGTON | NPN | 80V V(BR)CEO | 1A I(C) | TO-202 |
| BD980 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:PNP SILICON DARLINGTON TRANSISTORS |
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