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参数资料
| 型号： | MAX1854EEG |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning |
| 中文描述： | SWITCHING CONTROLLER, 550 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-24 |
| 文件页数： | 8/33页 |
| 文件大小： | 840K |
| 代理商： | MAX1854EEG |
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M
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
8
_______________________________________________________________________________________
100
50
0.01
0.1
1
10
100
EFFICIENCY vs.
LOAD CURRENT (1.0V AT 400kHz)
60
M
LOAD CURRENT (A)
E
70
80
75
90
85
65
55
95
CIRCUIT #3
D2
C2
A2
C1
B1
A1
D1
B2
M
1.50
1.54
1.52
1.58
1.56
1.62
1.60
1.64
0
10
5
15
LOAD CURRENT (A)
20
25
V
BATT
= 24V
V
BATT
= 7V
OUTPUT VOLTAGE vs. LOAD CURRENT
(1.6V AT 300kHz)
O
PWM MODE
SKIP MODE
1.20
1.24
1.22
1.28
1.26
1.32
1.30
1.34
0
4
6
2
8
10
12
14
OUTPUT VOLTAGE vs.
LOAD CURRENT (1.3V AT 300kHz)
M
LOAD CURRENT (A)
O
CIRCUIT #2
L = 1.0
μ
H
V
BATT
= 24V
V
BATT
= 7V
PWM MODE
SKIP MODE
0.92
0.96
0.94
1.00
0.98
1.02
0
4
6
2
8
10
12
14
OUTPUT VOLTAGE vs.
LOAD CURRENT (1.0V AT 400kHz)
M
LOAD CURRENT (A)
O
CIRCUIT #3
V
BATT
= 24V
V
BATT
= 7V
PWM MODE
SKIP MODE
0
100
50
200
150
300
250
350
0
8
4
12
16
20
SWITCHING FREQUENCY
vs. LOAD CURRENT
M
LOAD CURRENT (A)
F
PWM MODE
SKIP MODE
V
BATT
= 7V
V
OUT(PROG)
= 1.6V
260
280
270
300
290
310
320
0
8
12
4
16
20
24
SWITCHING FREQUENCY
vs. BATTERY VOLTAGE
M
V
BATT
(V)
F
V
OUT(PROG)
= 1.6V
V
OUT(PROG)
= 0.925V
I
OUT
= 12A
270
290
280
310
300
320
330
-40
10
-15
35
60
85
SWITCHING FREQUENCY
vs. TEMPERATURE
TEMPERATURE (
°
C)
S
M
I
OUT
= 12A
I
OUT
= 5A
I
OUT
= 1A
0.74
0.78
0.76
0.82
0.80
0.86
0.84
0.88
O
μ
s
M
-40
10
-15
35
60
85
ON-TIME vs. TEMPERATURE
TEMPERATURE (
°
C)
I
OUT
= 12A
I
OUT
= 5A
I
OUT
= 1A
-6
-2
-4
2
0
4
6
C
M
-40
10
-15
35
60
85
NORMALIZED CURRENT-LIMIT ERROR
vs. TEMPERATURE
TEMPERATURE (
°
C)
Typical Operating Characteristics (continued)
(Circuit from Figure 1, components from Table 2, T
A
= +25
°
C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1854EEG/GG8 | 功能描述:DC/DC 开关控制器 High-Speed Adjustable Synchronous Step-Down Controllers with Integrated Voltage Positioning RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1854EEG+ | 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED,DIGITALLY ADJUSTABLE SYNCHRONOUS STEPDOWN CONTROL - Rail/Tube |
| MAX1854EEG+T | 制造商: 功能描述: 制造商:undefined 功能描述: |
| MAX1854EEGT | 制造商: 功能描述: |
| MAX1854EEG-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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