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| 型号： | NCP600SN350T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.5V .15A 5-TSOP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.5V |
| 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： | 剪切带 (CT) |
| 其它名称： | NCP600SN350T1GOSCT |
NCP600
DEFINITIONS
Load Regulation
The change in output voltage for a change in output load
current at a constant temperature.
Dropout Voltage
The input/output differential at which the regulator output
no longer maintains regulation against further reductions in
input voltage. Measured when the output drops 2% below its
nominal. The junction temperature, load current, and
minimum input supply requirements affect the dropout level.
Output Noise Voltage
This is the integrated value of the output noise over a
specified frequency range. Input voltage and output load
current are kept constant during the measurement. Results
are expressed in m V rms or nV/ √ Hz.
Disable and Ground Current
Ground Current (I GND ) is the current that flows through
the ground pin when the regulator operates with a load on its
output. This consists of internal IC operation, bias, etc. It is
actually the difference between the input current (measured
through the LDO input pin) and the output load current. If
the regulator has an input pin that reduces its internal bias
and shuts off the output (enable/disable function), this term
is called the disable current (I DIS ).
Line Regulation
The change in output voltage for a change in input voltage.
The measurement is made under conditions of low
dissipation or by using pulse techniques such that the
average junction temperature is not significantly affected.
Line Transient Response
Typical output voltage overshoot and undershoot
response when the input voltage is excited with a given
slope.
Load Transient Response
Typical output voltage overshoot and undershoot
response when the output current is excited with a given
slope between no ? load and full ? load conditions.
Thermal Protection
Internal thermal shutdown circuitry is provided to protect
the integrated circuit in the event that the maximum junction
temperature is exceeded. When activated at typically 175 ° C,
the regulator turns off. This feature is provided to prevent
failures from accidental overheating.
Maximum Package Power Dissipation
The power dissipation level at which the junction
temperature reaches its maximum operating value.
APPLICATIONS INFORMATION
The NCP600 series regulator is self ? protected with
internal thermal shutdown and internal current limit. Typical
application circuits are shown in Figures 4 and 5.
Input Decoupling (C in )
A ceramic or tantalum 1.0 m F capacitor is recommended
and should be connected close to the NCP600 package.
Higher capacitance and lower ESR will improve the overall
line transient response.
Output Decoupling (C out )
The NCP600 is a stable component and does not require
a minimum Equivalent Series Resistance (ESR) for the
output capacitor. The minimum output decoupling value is
1.0 m F and can be augmented to fulfill stringent load
transient requirements. The regulator works with ceramic
chip capacitors as well as tantalum devices. Larger values
improve noise rejection and load regulation transient
response. Figure 30 shows the stability region for a range of
operating conditions and ESR values.
No ? Load Regulation Considerations
The NCP600 adjustable regulator will operate properly
under conditions where the only load current is through the
resistor divider that sets the output voltage. However, in the
case where the NCP600 is configured to provide a 1.250 V
output, there is no resistor divider. If the part is enabled
under no ? load conditions, leakage current through the pass
transistor at junction temperatures above 85 ° C can approach
several microamps, especially as junction temperature
approaches 150 ° C. If this leakage current is not directed into
a load, the output voltage will rise up to a level
approximately 20 mV above nominal.
The NCP600 contains an overshoot clamp circuit to
improve transient response during a load current step
release. When output voltage exceeds the nominal by
approximately 20 mV, this circuit becomes active and
clamps the output from further voltage increase. Tying the
ENABLE pin to V in will ensure that the part is active
whenever the supply voltage is present, thus guaranteeing
that the clamp circuit is active whenever leakage current is
present.
When the NCP600 adjustable regulator is disabled, the
overshoot clamp circuit becomes inactive and the pass
transistor leakage will charge any capacitance on V out . If no
load is present, the output can charge up to within a few
millivolts of V in . In most applications, the load will present
some impedance to V out such that the output voltage will be
inherently clamped at a safe level. A minimum load of
10 m A is recommended.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| NCP603 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:300 mA High Performance CMOS LDO Regulator with Enable and Enhanced ESD Protection |
| 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 |
| NCP603SN150T1G | 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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