參數(shù)資料
型號(hào): MAX15003
廠商: Maxim Integrated Products, Inc.
英文描述: Triple-Output Buck Controller with Tracking/Sequencing
中文描述: 三輸出buck控制器,提供跟蹤/排序功能
文件頁(yè)數(shù): 6/32頁(yè)
文件大?。?/td> 945K
代理商: MAX15003
M
Triple-Output Buck Controller with
Tracking/Sequencing
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Figure 8, V
IN
= 12V, C
REG
= 2.2μF, T
A
= +25°C, unless otherwise noted.)
SWITCHING FREQUENCY ACCURACY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
50
100
75
10
8
6
4
2
0
-2
-4
-6
-8
-10
-50
125
-25
0
25
150
f
SW
= 600kHz
VALLEY CURRENT-LIMIT THRESHOLD
vs. V
ILIM
M
V
ILIM
(mV)
V
2000
2500
350
300
250
200
150
100
50
500
3000
1000
1500
3500
VALLEY CURRENT-LIMIT THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
V
50
25
75
100
90
80
70
60
50
40
30
20
-50
100 125
-25
0
150
R
ILIM
= 25.5k
TEMPERATURE COEFFICIENT
(NOM.) = 3,333ppm/
°
C
SWITCHING CURRENT
vs. FREQUENCY
M
FREQUENCY (kHz)
S
1200
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
200
1700
700
2200
RATIOMETRIC STARTUP
MAX15003 toc13
1ms/div
10V/div
1V/div
1V/div
1V/div
0V
V
OUT1, 2, 3
V
IN
V
EN2
= V
EN3
= 0V, SEL = REG
RATIOMETRIC SHUTDOWN
MAX15003 toc14
400
μ
s/div
500mV/div
500mV/div
0V
V
OUT1, 2, 3
V
OUT2
V
OUT3
V
OUT1
V
EN2
= V
EN3
= 0V, SEL = REG
CHANNEL 2 SHORT CIRCUIT
(RATIOMETRIC MODE)
MAX15003 toc15
400
μ
s/div
1V/div
1V/div
0V
V
OUT2
V
OUT3
V
OUT1
V
EN2
= V
EN3
= 0V, SEL = REG
CHANNEL 1 SHORT CIRCUIT
(RATIOMETRIC MODE)
MAX15003 toc16
400
μ
s/div
1V/div
1V/div
1V/div
0V
0V
V
OUT2
V
OUT3
V
OUT1
V
EN2
= V
EN3
= 0V, SEL = REG
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