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MIC24045 Scheda tecnica(PDF) 8 Page - Microchip Technology

Il numero della parte MIC24045
Spiegazioni elettronici  I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter
PDF  46 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC24045 Scheda tecnica(HTML) 8 Page - Microchip Technology

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MIC24045
DS20005568A-page 8
 2016 Microchip Technology Inc.
2.0
TYPICAL CHARACTERISTIC CURVES
Note:
Unless otherwise indicated, VIN =12V, fS = 660 kHz, ILIM =ILIM_LS3, L = 2.2 µH, TA =+25°C.
FIGURE 2-1:
Operating Supply Current
vs. Input Voltage, Switching.
FIGURE 2-2:
VDDA vs. Input Voltage.
FIGURE 2-3:
Low-Side Current Limits vs.
Input Voltage.
FIGURE 2-4:
Enable Thresholds vs. Input
Voltage.
FIGURE 2-5:
Operating Supply Current
vs. Temperature, Switching.
FIGURE 2-6:
OUTSNS Voltage vs.
Temperature.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
0
10
20
30
49
14
19
Input Voltage (V)
V
OUT = 1.0V
I
OUT = 0 mA
f
s = 310 kHz
f
s = 660 kHz
f
s = 1.2 MHz
3.5
4
4.5
5
5.5
49
14
19
Input Voltage (V)
I
VDDA= 0 mA
I
VDDA= 10 mA
0
2
4
6
8
49
14
19
Input Voltage (V)
I
LIM_LS3
I
LIM_LS1
f
s = 660 kHz
V
OUT = 1.0V
I
LIM_LS0
I
LIM_LS2
1
1.1
1.2
1.3
4
9
14
19
Input Voltage (V)
Turn-on
Turn-off
0
10
20
30
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (°C)
V
OUT = 1.0V
I
OUT = 0 mA
f
s = 1.2 MHz
f
s = 660 kHz
f
s = 310 kHz
0.994
0.995
0.996
0.997
0.998
-40 -25 -10
5
203550658095 110 125
Temperature (°C)
V
OUT = 1.0V
I
OUT = 0 mA
f
s = 660 kHz



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