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D52LC Arkusz danych(PDF) 5 Page - Maxim Integrated Products

Numer części D52LC
Szczegółowy opis  16μA IQ,, 1.2A PWM Step-Down DC-DC Converters
PDF  12 Pages
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Producent  MAXIM [Maxim Integrated Products]
Strona internetowa  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

D52LC Arkusz danych(HTML) 5 Page - Maxim Integrated Products

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16µA IQ, 1.2A PWM DC-DC
Step-Down Converters
_______________________________________________________________________________________
5
LIGHT-LOAD SWITCHING WAVEFORMS
MAX1556/7 toc10
20mV/div
AC-COUPLED
VLX
VOUT
ILX
2V/div
0
4
µs/div
0
200mA/div
EXTERNAL FEEDBACK
SWITCHING WAVEFORMS
MAX1556/7 toc10b
VLX
ILX
2V/div
0
2
µs/div
0
200mA/div
VIN = 5V, VOUT = 3.3V, IOUT = 500mA
SOFT-START/SHUTDOWN WAVEFORMS
MAX1556/7 toc11
5V/div
ILX
VSHDN
VOUT
IIN
500mA/div
0
0
100
µs/div
0
1V/div
0
500mA/div
CSS = 470pF
RLOAD = 4
Ω
SOFT-START RAMP TIME vs. CSS
CSS (pF)
500
1000
1500
2000
10
0.1
0
2500
1
LOAD TRANSIENT
MAX1556/7 toc13
50mV/div
AC-COUPLED
500mA/div
VOUT
IOUT
20
µs/div
0
IOUTMIN = 20mA
LOAD TRANSIENT
MAX1556/7 toc14
50mV/div
AC-COUPLED
500mA/div
VOUT
IOUT
20
µs/div
0
IOUTMIN = 180mA
LINE TRANSIENT
MAX1556/7 toc15
10mV/div
AC-COUPLED
VIN
VOUT
ILX
3.5V
4V
40
µs/div
0
200mA/div
BODE PLOT
MAX1556/7 toc16
FREQUENCY (kHz)
100
10
1
-50
-40
-30
-20
-10
0
10
20
30
40
-60
-30
0
30
60
90
120
150
180
210
240
-60
0.1
1000
0dB
PHASE MARGIN = 53
°
COUT = 22
µF, RLOAD = 4Ω
Typical Operating Characteristics (continued)
(VIN = VINP = 3.6V, D1 = D2 = SHDN = IN, Circuits of Figures 2 and 3, TA = +25°C, unless otherwise noted.)



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