參數(shù)資料
型號(hào): 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(yè)數(shù): 5/22頁(yè)
文件大?。?/td> 553K
代理商: MAX1858EEG
START AND STOP WAVEFORM
(MAX1875A/MAX1876A ONLY)
MAX1858A/75A/76A toc09
2ms/div
10V
EN
0V
V
1V/div
I
OUT1
= 300mA
0V
V
1V/div
I
OUT2
= 300mA
0V
PREBIAS STARTUP
M
Dual 180° Out-of-Phase Buck Controllers with
Sequencing/Prebias Startup and POR
_______________________________________________________________________________________
5
INPUT POWER REMOVAL
MAX1858A/75A/76A toc10
5ms/div
V
IN
10V/div
0V
V
1V/div
I
OUT1
= 300mA
0V
0V
V
OUT2
1V/div
I
OUT2
= 300mA
CKO OUTPUT WAVEFORM
MAX1858A/75A/76A toc14
400ns/div
V
OUT1
10mV/div
AC-COUPLED
5V
V
CK0
0V
V
LX1
0V
10V
SYNC = GND
CKO OUTPUT WAVEFORM
MAX1858A/75A/76A toc15
400ns/div
V
10mV/div
5V
V
CK0
0V
V
LX1
0V
10V
SYNC = V
L
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 12V, T
A
= +25
°
C, unless otherwise noted.)
SHORT-CIRCUIT CURRENT FOLDBACK
AND RECOVERY
MAX1858A/75A/76A toc16
4ms/div
I
OUT1
= 10A (5A/div)
V
OUT1
= 1.8V (1V/div)
V
OUT2
= 2.5V (1V/div)
I
OUT2
= 10A (5A/div)
V
OUT2
SHORT
RESET TIMEOUT
(MAX1858A/MAX1876A ONLY)
100ms/div, 5V/div
V
OUT1
0V
0V
0V
V
OUT2
0
EN
V
RST
OUT-OF-PHASE WAVEFORM
MAX1858A/75A/76A toc12
1
μ
s/div
V
20mV/div
V
20mV/div
12V
V
LX1
V
LX2
0V
12V
0V
EXTERNALLY SYNCHRONIZED
SWITCHING WAVEFORM
400ns/div
V
10mV/div
AC-COUPLED
5V
V
SYNC
5V
V
CK0
0V
0V
V
LX1
0V
10V
相關(guān)PDF資料
PDF描述
MAX1858A-MAX1876A Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX1858A Dual 180?Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX1875A Dual 180?Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX1876A Dual 180?Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
MAX1858AEEG Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)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?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)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:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1858EVKIT 功能描述:DC/DC 開(kāi)關(guān)控制器 Evaluation Kit for the MAX1858 MAX1875 MAX1876 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32