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參數(shù)資料
| 型號： | MAX724 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5A/2A Step-Down, PWM, Switch-Mode DC-DC Regulators |
| 中文描述： | 5A/2A、降壓型、PWM、開關模式DC-DC穩(wěn)壓器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 92K |
| 代理商： | MAX724 |
M
5A/2A S tep-Down, PWM,
S witc h-Mode DC-DC Regulators
4
_______________________________________________________________________________________
2.25
2.19
-40
100
REFERENCE VOLTAGE
vs. JUNCTION TEMPERATURE
2.20
2.24
JUNCTION TEMPERATURE (°C)
R
50
2.22
2.21
-25
25
75
2.23
0
2.18
2.17
125
3.0
0
6
SWITCH-ON VOLTAGE
vs. SWITCH CURRENT
0.5
2.5
SWITCH CURRENT (A)
S
4
1.5
1.0
1
3
5
2.0
2
T
j
= +25°C
MAX724
MAX726
120
90
-40
100
SWITCHING FREQUENCY
vs. JUNCTION TEMPERATURE
95
115
JUNCTION TEMPERATURE (°C)
S
50
105
100
-25
25
75
110
0
85
80
125
8000
1k
ERROR-AMPLIFIER PHASE AND g
M
3000
7000
FREQUENCY (Hz)
T
μ
m
10M
5000
4000
10k
1M
6000
100k
0
2000
1000
200
-50
150
P
50
0
100
-200
-100
-150
PHASE
g
M
160
0
SWITCHING FREQUENCY
vs. FEEDBACK PIN VOLTAGE
60
140
FB VOLTAGE (V)
S
2.0
100
80
0.5
1.5
120
1.0
0
40
20
2.5
3.0
+125°C
+25°C
-40°C
500
400
0
FEEDBACK PIN CURRENT
vs. FB VOLTAGE
0
FB VOLTAGE (V)
F
μ
A
4
200
100
1
3
300
2
-300
-100
-200
5
6
-400
-500
7
8
9 10
START OF FREQUENCY
SHIFTING
8
-40
OUTPUT CURRENT LIMIT
vs. TEMPERATURE
3
7
JUNCTION TEMPERATURE (°C)
O
50
5
4
-25
25
6
0
2
75
1
0
100
125
MAX724
MAX726
____________________________Typic al Operating Charac teristic s (c ontinued)
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