参数资料
| 型号： | BA00JC5WT |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A TO220FP |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.5 V ~ 12 V |
| 输入电压： | 3 V ~ 16 V |
| 电压 - 压降（标准）： | 0.3V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A（最小值） |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-3 整包 |
| 供应商设备封装： | TO-220FP |
| 包装： | 管件 |
BAxxJC5 Series(Fixed)
BA00JC5WT(Variable)
Datasheet
Refer to the above and implement proper thermal designs so that the IC will not be used under excessive power dissipation
conditions under the entire operating temperature range.
The power consumption Pc of the IC in the event of shorting (i.e. the Vo and GND pins are shorted) can be obtained from
the following equation: Pc = Vcc × (Icca + Ishort) (Ishort: short current)
● Peripheral Circuit Considerations
? Vcc pin
Insert a capacitor (0.33 μ F approx.) between V CC and GND.
The capacitance will vary depending on the application.
Use a suitable capacitance and implement designs with sufficient margins.
? GND pin
Verify that there is no potential difference between the ground of the application board and the IC.
If there is a potential difference, the set voltage will not be output accurately, resulting in unstable IC operation.
Therefore, lower the impedance by designing the ground pattern as wide and as short as possible.
? CTL terminal
The CTL terminal turns on at an operating power supply voltage of 2.0 V or higher and turns off at 0.8 V or lower.
There is no particular order when turning the power supply and CTL terminals on or off.
CTL
27 k Ω
2 k Ω
31 k Ω
Fig.18 Input Equivalent Circuit
● Vo Terminal
Insert a capacitor between the Vo and GND pins in order to prevent output oscillation.
10.0
2.0
Oscillation region
IC
OUT
1.0
0.5
22 μ F
0.2
0.1
0.075
0.05
Stable region
Oscillation region
0
200
400 600 800
1000 Io [mA]
Fig.19 Output Equivalent Circuit
Fig.20 IO vs. ESR
The capacitance may vary greatly with temperature changes, thus making it impossible to completely prevent oscillation.
Therefore, use a tantalum aluminum electrolytic capacitor with a low ESR (Equivalent Serial Resistance). The output will
oscillate if the ESR is too high or too low, so refer to the ESR characteristics in Fig.20 and operate the IC within the stable
region. Use a capacitor within a capacitance between 22 μ F and 1,000 μ F.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
9/13
TSZ02201-0R6R0A600140-1-2
14.Feb.2012 Rev.001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BA00JC5WT-V5 | 功能描述:低压差稳压器 - LDO VOLT VAR OUTPUT 1.5V-45V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| BA00LBSG | 制造商:ROHM 制造商全称:Rohm 功能描述:Super-mini package regulator IC |
| BA00SFP | 制造商:ROHM 制造商全称:Rohm 功能描述:Regulator, low drop-out type with ON/OFF switch BA????ST / BA????SFP series |
| BA00ST | 制造商:ROHM 制造商全称:Rohm 功能描述:Regulator, low drop-out type with ON/OFF switch |
| BA00ST_1 | 制造商:ROHM 制造商全称:Rohm 功能描述:Regulator, low drop-out type with ON/OFF switch BA????ST / BA????SFP series |
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