參數(shù)資料
型號: MAX1858EEG
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Dual 180∑ Out-of-Phase PWM Step-Down Controller with Power Sequencing and POR
中文描述: DUAL SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO24
封裝: 0.150 INCH, QSOP-24
文件頁數(shù): 4/22頁
文件大小: 553K
代理商: MAX1858EEG
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.
相關(guān)PDF資料
PDF描述
MAX1858A-MAX1876A Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
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MAX1858EEG+ 功能描述:電壓模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1858EEG+T 功能描述:電壓模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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MAX185ACNG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32