参数资料
| 型号： | LA5735MC-BH |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/6页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 1.23V |
| 输入电压： | 4.5 V ~ 32 V |
| 频率 - 开关： | 300kHz |
| 同步整流器： | 无 |
| 工作温度： | -30°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 包装： | * |
| 供应商设备封装： | * |
LA5735MC
6. Inductance current : peak value
The ripple current peak value must be held within the rated current values for the inductor used. Here, IRP is the
ripple current. IRP can be determined from the following equation.
Reference example : VIN = 12V, VOUT = 5V, IOUT = 0.5A, L = 68 μ H
IRP = IOUT +
VIN - VOUT - Vsat
2L
× Ton
= 0.5 +
12 - 5.0 - 1.0
2 × 68 × 10 -6
× 1.58 × 10 -6
≈ 0.57A
7. Inductance current : ripple current value
Here Δ IR is the ripple current. Δ IR can be determined from the following equation. If the load current becomes less
than one half the ripple current, the inductor current will become discontinuous.
Δ IR =
VIN - VOUT - Vsat
L
× Ton
=
12 - 5.0 - 1.0
68 × 10 -6
× 1.58 × 10 -6
≈ 0.15 A
8. Diode D1
A Schottky barrier diode must be used for this diode. If a fast recovery diode is used, it is possible that the IC could
be destroyed by the applied reverse voltage due to the recovery and the on-state voltage.
9. Diode current: peak current
Applications must be designed so that the peak value of the diode current remains within the rated current of the
diode. The peak value of the diode current will be the same current as the peak value of the inductor current.
10. Repetitive peak reverse voltage
Applications must be designed so that the repetitive peak reverse voltage remains within the voltage rating of the
diode. Here, VRRM is the repetitive peak reverse voltage. VRRM can be determined from the following equation.
VRRM ≥ VCC
Since noise voltage and other terms will be added in actual operation, the voltage handling capacity of the device
should be about 1.5 times that given by the above calculation.
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application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental
damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
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harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or
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PS No.A2022-6/6
相关PDF资料 |
PDF描述 |
|---|---|
| LA5744-HK-E | IC REG BUCK ADJ 1A TO220-5 |
| LA5744MP-DL-E | IC REG BUCK ADJ SMP5 |
| LA5744TP-TL-E | IC REG BUCK ADJ TP5HFA |
| LA5756-MDB-E | IC REG BUCK ADJ TO220-5 |
| LA5757TP-TL-E | IC REG BUCK ADJ TP5HFA |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LA5735M-TE-L-E | 功能描述:直流/直流开关调节器 SWITCHING REGULATOR 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 |
| LA5735M-TLM-E | 功能描述:直流/直流开关调节器 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 |
| LA5744 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type) |
| LA5744-HK-E | 功能描述:直流/直流开关调节器 PWR SWITCHING REGULATOR 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 |
| LA5744MP | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type) |
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