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| 型号： | NCP565D2T |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A D2PAK-5 |
| 产品变化通告： | Product Discontinuation 27/Jun/2007 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.9 V ~ 7.7 V |
| 输入电压： | 2.5 V ~ 9 V |
| 电压 - 压降（标准）： | 0.9V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.6A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | D2PAK-5 |
| 包装： | 管件 |
NCP565, NCV565
Table 1. Bill of M aterials for NCP565 Adj Demonstration Board
Item
1
2
3
4
5
6
Used #
4
1
1
1
1
1
Component
Radial Lead Aluminum Capacitor
150 m F/16 V
Radial Lead Aluminum Capacitor
10 m F/10 V
SMT Chip Resistor (0805) 15.8 K 1%
SMT Chip Resistor (0805) 42.2 K 1%
SMT Ceramic Capacitor (0603) 5.6 pF 10%
NCP565 Low Dropout Linear Regulator
Designators
C1, C2, C3, C5
C4
R2
R1
C6
U1
Suppliers
Sanyo Oscon
Sanyo Oscon
Vishay
Vishay
Vishay
ON Semiconductor
Part Number
16SA150M
10SL10M
CRCW08051582F
CRCW08054222F
VJ0603A5R6KXAA
NCP565D2TR4
Protection Diodes
When large external capacitors are used with a linear
regulator it is sometimes necessary to add protection diodes.
If the input voltage of the regulator gets shorted, the output
capacitor will discharge into the output of the regulator. The
discharge current depends on the value of the capacitor, the
output voltage and the rate at which V in drops. In the
NCP565 linear regulator, the discharge path is through a
Thermal Considerations
This series contains an internal thermal limiting circuit
that is designed to protect the regulator in the event that the
maximum junction temperature is exceeded. This feature
provides protection from a catastrophic device failure due to
accidental overheating. It is not intended to be used as a
substitute for proper heat sinking. The maximum device
power dissipation can be calculated by:
large junction and protection diodes are not usually needed.
If the regulator is used with large values of output
capacitance and the input voltage is instantaneously shorted
to ground, damage can occur. In this case, a diode connected
as shown in Figure 24 is recommended.
200
180
PD +
TJ(max) * TA
R q JA
V in
1N4002 (Optional)
V in V out
V out
160
140
DFN 1 oz Cu
DFN 2 oz Cu
SOT ? 223 1 oz Cu
C 1
NCP565
GND Adj
C Adj
R 1
C 2
120
100
SOT ? 223 2 oz Cu
D 2 PAK 1 oz Cu
D 2 PAK 2 oz Cu
80
R 2
60
40
0
50 100 150
200 250 300 350 400 450 500
Figure 24. Protection Diode for Large
Output Capacitors
http://onsemi.com
10
COPPER HEAT ? SPREADER AREA (mm sq)
Figure 25. Thermal Resistance
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP565D2T12 | 功能描述:低压差稳压器 - LDO 1.2V 1.5A Fast 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 |
| NCP565D2T12G | 功能描述:低压差稳压器 - LDO 1.2V 1.5A Fast Transient 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 |
| NCP565D2T12R4 | 功能描述:低压差稳压器 - LDO 1.2V 1.5A Fast 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 |
| NCP565D2T12R4G | 功能描述:低压差稳压器 - LDO 1.2V 1.5A Fast Transient 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 |
| NCP565D2T33G | 功能描述:低压差稳压器 - LDO ANA 1.5A LDO REG 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 |
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