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MIC2128 数据表(PDF) 6 Page - Microchip Technology

部件名 MIC2128
功能描述  75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start
PDF  32 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MIC2128 数据表(HTML) 6 Page - Microchip Technology

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MIC2128
DS20005620A-page 6
 2016 Microchip Technology Inc.
2.0
TYPICAL CHARACTERISTIC CURVES
Note:
Unless otherwise indicated, VVIN =12V, fSW =300 kHz, RILIM =1.5 k, L = 10 µH, VEXTVDD =VOUT, TA =+25°C
(refer to the Typical Application circuit).
FIGURE 2-1:
Input Supply Current vs.
Input Voltage.
FIGURE 2-2:
Input Supply Current vs.
Temperature.
FIGURE 2-3:
Input Shutdown Current vs.
Input Voltage.
FIGURE 2-4:
Input Shutdown Current vs.
Temperature.
FIGURE 2-5:
PVDD Line Regulation
FIGURE 2-6:
PVDD 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
5
10
15
20
25
6
12
18243036
42485460
667278
Input Voltage (V)
V
OUT = 5V
I
OUT = 0A
F
SW = 300 kHz
V
EN = VVIN
0
5
10
15
20
25
30
-50
-25
0
25
50
75
100
Temperature (°C)
V
VIN = 48V
I
OUT = 0A
F
SW = 300 kHz
V
EN = VIN
V
EXTVDD = VOUT
EXTVDD = GND
0
100
200
300
400
500
600
6
183042
546678
Input Voltage (V)
V
VIN = 48V, with resistor divider
between V
IN and AGND at FREQ pin
(100 k
and 60 k )
EN = GND
250
260
270
280
290
300
310
320
330
340
350
-50
-25
0
255075
100
Temperature (°C)
V
VIN = 48V, with resistor divider
between V
IN and AGND at FREQ pin
(100 k
and 60 k )
EN = GND
4.8
4.9
5
5.1
5.2
5.3
5.4
6
1218243036424854
60
66
72
78
Input Voltage (V)
I
PVDD = 10 mA
V
EN = VVIN
EXTVDD = GND
4.8
4.9
5
5.1
5.2
5.3
5.4
-50
-25
0
255075
100
Temperature (°C)
V
VIN = 48V
I
PVDD = 10 mA
V
EN = VVIN
EXTVDD = GND
V
EXTVDD = 12V
V
EXTVDD = 12V
V
EXTVDD = 5V
V
EXTVDD = 12V



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