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参数资料
| 型号： | NCP600SN330T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .15A 5TSOP |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.3V |
| 输入电压： | 最高 6V |
| 电压 - 压降（标准）： | 0.075V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小值） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSOP（0.059"，1.50mm 宽）5 引线 |
| 供应商设备封装： | 5-TSOP |
| 包装： | 带卷 (TR) |
NCP600
PD(MAX) +
R q JA
Noise Decoupling
The NCP600 is a low noise regulator and needs no
external noise reduction capacitor. Unlike other low noise
regulators which require an external capacitor and have slow
startup times, the NCP600 operates without a noise
reduction capacitor, has a typical 15 m s start up delay and
achieves a 50 m V rms overall noise level between 10 Hz and
100 kHz.
TJ(MAX) * TA
(eq. 3)
Since T J is not recommended to exceed 125 ° C (T J(MAX) ),
then the NCP600 in a DFN6 package can dissipate up to
870 mW when the ambient temperature (T A ) is 25 ° C, and
PCB area is 640 mm 2 and larger, see Figure 33.
The power dissipated by the NCP600 can be calculated
from the following equations:
Enable Operation
The enable pin will turn the regulator on or off. The
threshold limits are covered in the electrical characteristics
or
P D [ V in I GND @ I out ) I out V in * V out
(eq. 4)
table in this data sheet. The turn ? on/turn ? off transient
voltage being supplied to the enable pin should exceed a
slew rate of 10 mV/ m s to ensure correct operation. If the
enable function is not to be used then the pin should be
V in(MAX) [
P D(MAX) ) V out
I out ) I GND
I out
(eq. 5)
connected to V in .
Output Voltage Adjust
The output voltage can be adjusted from 1 times
(Figure 4) to 4 times (Figure 5) the typical 1.250 V
350
300
regulation voltage via the use of resistors between the output
and the ADJ input. The output voltage and resistors are
250
TSOP ? 5 (1 oz)
R 2
out
* 1
chosen using Equation 1 and Equation 2.
R 1
V out + 1.250 1 ) ) I ADJ
R 1
R 2 ^
V
1.25
R 1
(eq. 1)
(eq. 2)
200
150
100
50
DFN6 2x2.2 (1 oz)
DFN6 2x2.2 (2 oz)
TSOP ? 5 (2 oz)
Input bias current I ADJ is typically less than 150 nA.
Choose R2 arbitrarily to minimize errors due to the bias
current and to minimize noise contribution to the output
voltage. Use Equation 2 to find the required value for R1.
0
0
100 200 300 400 500 600
PCB COPPER AREA (mm 2 )
Figure 33. R thJA vs. PCB Copper Area
700
Thermal
As power in the NCP600 increases, it might become
necessary to provide some thermal relief. The maximum
power dissipation supported by the device is dependent
upon board design and layout. Mounting pad configuration
on the PCB, the board material, and the ambient temperature
affect the rate of junction temperature rise for the part. When
the NCP600 has good thermal conductivity through the
PCB, the junction temperature will be relatively low with
high power applications. The maximum dissipation the
NCP600 can handle is given by:
Hints
V in and GND printed circuit board traces should be as
wide as possible. When the impedance of these traces is
high, there is a chance to pick up noise or cause the regulator
to malfunction. Place external components, especially the
output capacitor, as close as possible to the NCP600, and
make traces as short as possible.
http://onsemi.com
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| NCP600SN500T1G | 功能描述:低压差稳压器 - LDO SBN BE VOLTAGE 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 |
| NCP600SNADJT1G | 功能描述:低压差稳压器 - LDO LOW DROP OUT VTG 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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| NCP603SN130T1G | 功能描述:低压差稳压器 - LDO 300mA CMOS LDO REG WITH ENABLE 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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