The JTM5201 is high efficiency synchronous, dual PWM step-do(2)
时间:2015-08-24 16:24来源:未知 作者:oumao18 点击:
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五 , 电路原理图 六 . 产品PDF文档 JTM5201 七 , 功能 概述 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT Output Voltage I OUT = 100mA, R2(4)/R1(3)=2 1.75 1.80 1.85 V VIN Input Voltag
五,电路原理图
六.产品PDF文档
七,功能概述
|
SYMBOL |
PARAMETER |
CONDITIONS |
MIN |
TYP |
MAX |
UNITS |
|
VOUT |
Output Voltage |
I OUT = 100mA, R2(4)/R1(3)=2 |
1.75 |
1.80 |
1.85 |
V |
|
VIN |
Input Voltage Range |
|
2.5 |
|
5.5 |
V |
|
VFB |
Regulated Voltage |
TA = 25 |
0.5880 |
0.6 |
0.6120 |
V |
|
IFB |
Feedback Current |
|
|
|
±30 |
nA |
|
VFB |
VREF |
VIN=2.5V~5.5V |
|
0.03 |
0.4 |
%/V |
|
FOSC |
Oscillator Frequency |
VFB = 0.6V or VOUT = 100% |
1.1 |
1.4 |
1.7 |
MHz |
|
IQ |
Quiescent Current |
VFB = 0.5V or VOUT = 90%, ILOAD = 0A |
|
200 |
300 |
A |
|
IS |
Shutdown Current |
VEN = 0V, VIN = 4.2V |
|
0.1 |
1 |
A |
|
IPK |
Peak Inductor Current |
VIN = 3V, VFB = 0.5V or VOUT = 90%,
Duty Cycle < 35% |
0.75 |
0.9 |
1 |
A |
|
RPFET |
RDS(ON) of P-Channel FET |
ISW = 100mA |
|
0.3 |
|
|
|
RNFET |
RDS(ON) of N-Channel FET |
ISW = -100mA |
|
0.39 |
|
|
|
EFFI |
Efficiency |
When connected to ext. components
VIN=EN=3.6 V, IOUT=100mA |
|
93 |
|
% |
|
VOUT |
VOUT Line Regulation |
VIN=2.5V~5.5V |
|
0.03 |
0.3 |
%/V |
|
VLOADREG |
VOUT Load Regulation |
|
|
0.33 |
|
% |
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