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參數資料
| 型號： | BA9737KV |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關穩壓器 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 87K |
| 代理商： | BA9737KV |
412
Regulator ICs
4-channel switching regulator
controller
BA9737KV
The BA9737KV is a 4-channel controller that includes all of the circuits required to construct a switching regulator. The
circuits on the chip include a triangular-wave oscillator, a reference voltage circuit, an error amplifier, a PWM comparator,
a pseudo-totem-pole driver, and a short-circuit protection circuit.
Applications
Camcoders and digital still cameras etc.
Features
1) The totem-pole driver can directly drive power tran-
sistors, and the on current can be set to the rating cur-
rent using an external resistor.
For the off current, the peak current can be set using
an external capacitor.
2) Output cutoff circuit (timer latch type) for overload
protection.
3) Channels 2 and 3 are supplied using the internal ref-
erence voltage, and use a positive voltage only.
Channels 1 and 4 are general-purpose channels,
and all inputs are externally available.
4) Channels can be switched off individually or all to-
gether (STB and STB1 to STB4).
5) Dead-time control is provided for all channels, and
duty limits can be used.
Absolute maximum ratings (Ta = 25 C)
Recommended operating conditions (Ta = 25 C)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| BA9737KV-E2 | 功能描述:IC REG CTRLR PWM VQFP48 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| BA9739KV-E2 | 功能描述:IC REG CTRLR PWM VQFP48 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| BA9741 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:TWO-CHANNEL SWITCHING REGULATOR CONTORLLER |
| BA9741A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Two-Channel Swiching Regulator Controller |
| BA9741F | 制造商:ROHM 制造商全稱:Rohm 功能描述:Two-channel switching regulator controller |
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