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参数资料
| 型号： | BD9701CP-V5E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.5A TO220 |
| 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 ~ 32 V |
| 输入电压： | 8 V ~ 36 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 |
| 包装： | 标准包装 |
| 供应商设备封装： | TO220CP-V5 |
| 产品目录页面： | 1373 (CN2011-ZH PDF) |
| 其它名称： | BD9701CP-V5E2DKR |
BD9701FP/CP-V5/T/T-V5,BD9703FP/CP-V5/T/T-V5,BD9702CP-V5/T/T-V5
Technical Note
● Block Function Explanations
? VREF
Generates the regulated voltage from VCC input, compensated for temperature.
? OSC
Generates the triangular wave oscillation frequency using an internal resistors and capacitor. Used for PWM comparator input.
? Error AMP
This block, via the INV pin, detects the resistor-divided output voltage, compares this with the reference voltage, then
amplifies and outputs the difference.
? PWM COMP
Outputs PWM signals to the Driver block, which converts the error amp output voltage to PWM form.
? DRIVER
This push-pull FET driver powers the internal Pch MOSFET, which accepts direct PWM input.
? STBY
Controls ON/OFF operation via the STBY pin. The output is ON when STBY is High.
? Thermal Shutdown (TSD)
This circuit protects the IC against thermal runaway and damage due to excessive heat. A thermal sensor detects the
junction temperature and switches the output OFF once the temperature exceeds a threshold value (175deg). Hysteresis
is built in (15deg) in order to prevent malfunctions due to temperature fluctuations.
? Over Current Protection (OCP)
The OCP circuit detects the voltage difference between VCC and OUT by measuring the current through the internal Pch
MOSFET and switches the output OFF once the voltage reaches the threshold value. The OCP block is a self-recovery
type (not latch).
● Timing Chart
VCC PIN
VOLTAGE WAVE
OUTPIN
VOLTAGE WAVE
OUTPUT
VOLTAGE WAVE
Fig.29
OSC
(Internal Oscillation Wave) Error AMP OUTPUT
Timing Chart
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
8/16
2009.04- Rev.B
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相关代理商/技术参数 |
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| BD9701FP-E2 | 功能描述:直流/直流开关调节器 1ch SWITCHING RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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| BD9701T-V5 | 功能描述:直流/直流开关调节器 DC/DC CONV4-35V 5PIN RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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