參數(shù)資料
型號(hào): MAX8523
廠商: Maxim Integrated Products, Inc.
英文描述: High-Speed. Dual-Phase Gate Driver for Multiphase. Step-Down Converters
中文描述: 高速、雙相柵極驅(qū)動(dòng)器,用于多相、降壓型轉(zhuǎn)換器
文件頁(yè)數(shù): 5/14頁(yè)
文件大小: 296K
代理商: MAX8523
M
PWM Buc k Converters with Bypass FET
for N-CDMA/W-CDMA Handsets
_______________________________________________________________________________________
5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE IN PWM MODE
M
SUPPLY VOLTAGE (V)
S
5.0
4.5
4.0
3.5
3.0
2.5
1
2
3
4
5
6
0
2.0
5.5
V
OUT
= 1.5V
V
OUT
= 0.4V
SKIP = BATT
SUPPLY CURRENT
vs. SUPPLY VOLTAGE IN NORMAL MODE
M
SUPPLY VOLTAGE (V)
S
μ
A
5.0
4.5
2.5
3.0
3.5
4.0
300
400
500
600
700
800
900
1000
200
2.0
5.5
V
OUT
= 1.5V
V
OUT
= 3.4V
SKIP = GND
V
OUT
= 0.4V
HEAVY-LOAD SWITCHING WAVEFORM
MAX8500 toc12
400ns/div
V
IN
= 3.6V, V
OUT
= 3.3V
LOAD = 10
V
LX
2V/div
V
AC-COUPLED
2mV/div
MEDIUM-LOAD SWITCHING WAVEFORM
MAX8500 toc13
400ns/div
V
IN
= 3.6V, V
OUT
= 1.5V
LOAD = 10
V
LX
2V/div
V
AC-COUPLED
5mV/div
LIGHT-LOAD SWITCHING WAVEFORM
IN PWM MODE
MAX8500 toc14
400ns/div
V
IN
= 3.6V, V
OUT
= 0.4V
LOAD = 10
V
LX
2V/div
V
OUT
AC-COUPLED
5mV/div
LIGHT-LOAD SWITCHING WAVEFORM
IN SKIP MODE
MAX8500 toc15
2
μ
s/div
V
= 3.6V, V
OUT
= 0.4V
LOAD = 10
V
2V/div
V
OUT
AC-COUPLED
20mV/div
Typic al Operating Charac teristic s (c ontinued)
(V
BATT
= 3.6V, T
A
= +25
°
C, unless otherwise noted.)
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參數(shù)描述
MAX8523EEE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX8523EEE+ 功能描述:功率驅(qū)動(dòng)器IC Gate Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8523EEE+T 功能描述:功率驅(qū)動(dòng)器IC Gate Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8523EEE-T 功能描述:功率驅(qū)動(dòng)器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8524EEI 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14