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LM4817

更新时间： 2024-01-05 19:13:27
品牌 Logo 应用领域
美国国家半导体 - NSC 音频放大器
页数 文件大小 规格书
21页 733K
描述
1W Stereo Audio Amplifier Plus Adjustable Output Limiter Plus Adjustable LDO

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LM4817 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：TSSOP, TSSOP28,.25针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.67
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
长度：9.7 mm湿度敏感等级：1
信道数量：2功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：1.5 W
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP28,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3/5 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Audio/Video Amplifiers
最大压摆率：15 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2.5 V表面贴装：YES
技术：BIPOLAR温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm

LM4817 数据手册

 浏览型号LM4817的Datasheet PDF文件第1页浏览型号LM4817的Datasheet PDF文件第2页浏览型号LM4817的Datasheet PDF文件第3页浏览型号LM4817的Datasheet PDF文件第5页浏览型号LM4817的Datasheet PDF文件第6页浏览型号LM4817的Datasheet PDF文件第7页 
LDO Electrical Characteristics (Continued)  
Unless otherwise specified, all limits guaranteed for VIN = VO +0.5V (Note 10), VSHDN = VIN, CIN = COUT = 2.2µF, CCC = 33nF,  
TJ = 25˚C. Boldface limits apply for the operating temperature extremes: −40˚C and 85˚C.  
Symbol  
Parameter  
Conditions  
Min  
(Note 7)  
-2.4  
Typ  
(Note 6)  
Max  
(Note 7)  
+2.4  
Units  
100µA ≤ IOUT ≤ 300mA  
VIN = VO + 0.5V (Note 7)  
SET = OUT  
% of  
∆VO  
Output Voltage Tolerance  
VOUT (NOM)  
-3  
+3  
6
VO  
IO  
Output Adjust Range  
Maximum Output Current  
Output Current Limit  
Supply Current  
1.25  
300  
330  
V
Average DC Current Rating  
mA  
mA  
ILIMIT  
IQ  
770  
90  
IOUT = 0mA  
270  
1
µA  
µA  
IOUT = 300mA  
225  
0.001  
0.4  
Shutdown Supply Current  
Dropout Voltage  
VO = 0V, SHDN = GND  
IOUT = 1mA  
VDO  
(Note 10), (Note 11)  
IOUT = 200mA  
80  
220  
0.1  
mV  
IOUT = 300mA  
120  
0.01  
∆VO  
Line Regulation  
IOUT = 1mA, (VO + 0.5V) ≤ VI ≤ 6V  
(Note 10)  
-0.1  
%/V  
Load Regulation  
100µA ≤ IOUT ≤ 300mA  
IOUT = 10mA, 10Hz ≤ f ≤ 100kHz  
10Hz ≤ f ≤ 100kHz, COUT = 10µF  
VIH, (VO + 0.5V) ≤ VI ≤ 6V  
(Note 10)  
0.002  
37  
%/mA  
µVRMS  
nV/  
en  
Output Voltage Noise  
Output Voltage Noise Density  
SHDN Input Threshold  
190  
VSHDN  
2
V
VIL, (VO + 0.5V) ≤ VI ≤ 6V  
SHDN = GND or IN  
SET = 1.3V  
0.4  
100  
2.5  
ISHDN  
ISET  
SHDN Input Bias Current  
SET Input Leakage  
0.1  
0.1  
120  
nA  
nA  
VFAULT  
FAULTDetection Voltage  
VO ≥ 2.5V, IOUT = 200mA (Note  
12)  
280  
mV  
FAULT Output Low Voltage  
FAULT Off-Leakage Current  
Thermal Shutdown  
ISINK = 2mA  
0.115  
0.1  
0.25  
V
IFAULT  
TSD  
FAULT = 3.6V, SHDN = 0V  
100  
nA  
160  
Temperature  
˚C  
µs  
Thermal Shutdown Hysteresis  
Start-Up Time  
10  
TON  
COUT = 10µF, VO at 90% of Final  
Value  
120  
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is  
functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which  
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit  
is given, however, the typical value is a good indication of device performance.  
Note 2: The maximum power dissipation is dictated by T  
, θ , and the ambient temperature T and must be derated at elevated temperatures. The maximum  
JMAX JA  
A
allowable power dissipation is P  
= (T  
− T )/θ . For the LM4817, T  
= 150˚C. The θ for the LM4817 in the 28-pin MXA28A package, when board  
DMAX  
JMAX  
A
JA  
JMAX  
JA  
2
mounted and its DAP is soldered to a 2in copper heatsink plane, is 41˚C/W.  
Note 3: Human body model, 100pF discharged through a 1.5kΩ resistor.  
Note 4: Machine model, 220pF–240pF discharged through all pins.  
Note 5: All voltages are measured with respect to the ground (GND) pins unless otherwise specified.  
Note 6: Typicals are measured at 25˚C and represent the parametric norm.  
Note 7: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.  
Note 8: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.  
Note 9: Output power is measured at the device terminals.  
Note 10: Condition does not apply to input voltages below 2.5V since this is the minimum input operating voltage.  
Note 11: Dropout voltage is measured by reducing V until V drops 100mV from its nominal value at V -V = 0.5V. Dropout Voltage does not apply to the 1.8  
IN  
O
IN  
O
version.  
Note 12: The FAULT detection voltage is specified for the input to output voltage differential at which the FAULT pin goes active low.  
www.national.com  
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