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参数资料
| 型号： | LP3883ET-1.5/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1.5 V FIXED POSITIVE LDO REGULATOR, 0.42 V DROPOUT, PZFM5 |
| 封装： | TO-220, 5 PIN |
| 文件页数： | 9/14页 |
| 文件大小： | 819K |
| 代理商： | LP3883ET-1.5/NOPB |
Electrical Characteristics Limits in standard typeface are for T
J = 25C, and limits in boldface type apply
over the full operating temperature range. Unless otherwise specified: V
IN =VO(NOM) + 1V, VBIAS = 4.5V, IL = 10 mA, CIN =
COUT = 4.7 F, VS/D =VBIAS. (Continued)
Symbol
Parameter
Conditions
Typical
MIN
MAX
Units
AC Parameters
PSRR (V
IN)
Ripple Rejection for V
IN Input
Voltage
V
IN =VOUT +1V, f = 120 Hz
80
dB
V
IN =VOUT + 1V, f = 1 kHz
65
PSRR
(V
BIAS)
Ripple Rejection for V
BIAS
Voltage
V
BIAS =VOUT + 3V, f = 120 Hz
70
V
BIAS =VOUT + 3V, f = 1 kHz
65
Output Noise Density
f = 120 Hz
1
V/rootHz
e
n
Output Noise Voltage
V
OUT = 1.8V
BW = 10 Hz 100 kHz
150
V (rms)
BW = 300 Hz 300 kHz
90
Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Operating ratings indicate conditions for which the device
is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications, see Electrical Characteristics. Specifications do not
apply when operating the device outside of its rated operating conditions.
Note 2: At elevated temperatures, device power dissipation must be derated based on package thermal resistance and heatsink thermal values.
θJ-A for TO-220
devices is 65C/W if no heatsink is used. If the TO-220 device is attached to a heatsink, a
θJ-S value of 4C/W can be assumed. θJ-A for TO-263 devices is
approximately 40C/W if soldered down to a copper plane which is at least 1.5 square inches in area. If power dissipation causes the junction temperature to exceed
specified limits, the device will go into thermal shutdown.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5k resistor into each pin.
Note 4: Typical numbers represent the most likely parametric norm for 25C operation.
Note 5: Limits are guaranteed through testing, statistical correlation, or design.
Note 6: If used in a dual-supply system where the regulator load is returned to a negative supply, the output pin must be diode clamped to ground.
Note 7: Output voltage line regulation is defined as the change in output voltage from nominal value resulting from a change in input voltage.
Note 8: Output voltage load regulation is defined as the change in output voltage from nominal value as the load current increases from no load to full load.
Note 9: Dropout voltage is defined as the minimum input to output differential required to maintain the output with 2% of nominal value.
Note 10: The machine model is a 220 pF capacitor discharged directly into each pin. The machine model ESD rating of pin 5 is 100V.
LP3883
www.national.com
4
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| LP3883ET-1.8/NOPB | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.42 V DROPOUT, PZFM5 |
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| LP3985IM5-285/NOPB | 2.85 V FIXED POSITIVE LDO REGULATOR, 0.1 V DROPOUT, PDSO5 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LP38841 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:0.8A Ultra Low Dropout Linear Regulators Stable with Ceramic Output Capacitors |
| LP38841-ADJ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:0.8A Ultra Low Dropout Adjustable Linear Regulators Stable with Ceramic Output Capacitors |
| LP38841EVAL | 功能描述:电源管理IC开发工具 LP38841 EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| LP38841MR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LP38841MR-ADJ | 功能描述:低压差稳压器 - LDO 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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