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参数资料
| 型号： | MAX1858AEEG |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR |
| 中文描述： | DUAL SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | 0.150 INCH, 0.25 INCH PITCH, MO-137AE, QSOP-24 |
| 文件页数： | 4/22页 |
| 文件大小： | 553K |
| 代理商： | MAX1858AEEG |
M
Dual 180° Out-of-Phase Buck Controllers with
Sequencing/Prebias Startup and POR
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1, V
IN
= 12V, T
A
= +25
°
C, unless otherwise noted.)
EFFICIENCY vs. LOAD
M
LOAD (A)
E
10
1
10
20
30
40
50
60
70
80
90
100
0
0.1
100
OUT2
OUT1
OUTPUT VOLTAGE ACCURACY vs. LOAD
M
LOAD (A)
O
10
5
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
15
OUT2
OUT1
V
L
VOLTAGE ACCURACY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
V
L
100
50
-1.5
-1.0
-0.5
0
0.5
-2.0
0
150
SWITCHING FREQUENCY vs. R
OSC
M
R
OSC
(k
)
S
50
40
30
20
10
100
200
300
400
500
600
0
0
60
LOAD TRANSIENT RESPONSE (OUTPUT 1)
10
μ
s/div
0A
I
OUT1
10A
V
OUT1
50mV/div
AC-COUPLED
V
50mV/div
AC-COUPLED
LOAD TRANSIENT RESPONSE (OUTPUT 2)
MAX1858A/75A/76A toc06
10
μ
s/div
0A
I
OUT2
10A
V
50mV/div
AC-COUPLED
V
50mV/div
AC-COUPLED
SOFT-START AND SOFT-STOP WAVEFORM
(MAX1858A ONLY)
MAX1858A/75A/76A toc07
2ms/div
V
1V/div
I
OUT1
= 300mA
0V
V
1V/div
I
OUT2
= 300mA
0V
10V
EN
0V
SOFT-START AND SOFT-STOP WAVEFORM
(MAX1858A ONLY)
MAX1858A/75A/76A toc08
2ms/div
V
OUT1
1V/div
I
OUT1
= 300mA
0V
V
1V/div
I
OUT2
= 300mA
0V
5V
EN
0V
EN PULLED HIGH BEFORE V
OUT1
REACHES 0V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1858AEEG+ | 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1858AEEG+T | 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1858AEEG-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 |
| MAX1858EEG | 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 |
| MAX1858EEG+ | 功能描述:电压模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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