參數(shù)資料
型號: MAX1775
廠商: Maxim Integrated Products, Inc.
英文描述: 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 125
中文描述: 雙輸出、降壓型DC-DC轉(zhuǎn)換器,用于PDA/掌上電腦
文件頁數(shù): 7/15頁
文件大?。?/td> 290K
代理商: MAX1775
M
Dual-Output Step-Down
DC-DC Converter for PDA/Palmtop Computers
_______________________________________________________________________________________
7
-2.0
-1.6
-1.8
-1.2
-1.4
-0.8
-1.0
-0.6
-0.2
-0.4
0
0
20
30
10
40
50
60
70
80
REFERENCE LOAD REGULATION
M
I
REF
(
μ
A)
V
R
MAIN SWITCHING WAVEFORMS,
LIGHT LOAD (100mA)
MAX1775 toc05
1
μ
s/div
I
500mA/div
V
(AC-COUPLED)
20mV/div
LX
5V/div
MAIN SWITCHING WAVEFORMS,
HEAVY LOAD (1A)
MAX1775 toc06
1
μ
s/div
I
500mA/div
V
(AC-COUPLED)
20mV/div
LX
5V/div
0
500mA
1000mA
CORE SWITCHING WAVEFORMS,
LIGHT LOAD (50mA)
MAX1775 toc07
1
μ
s/div
I
200mA/div
V
CORE
(AC-COUPLED)
20mV/div
LX
5V/div
0
200mA
0
0
4V
CORE SWITCHING WAVEFORMS,
HEAVY LOAD (500mA)
MAX1775 toc08
2
μ
s/div
500mA
I
LC
250mA/div
LXC
2V/div
V
CORE
(AC-COUPLED)
20mV/div
0
12V
MAIN LINE-TRANSIENT RESPONSE
(5V TO 12V)
MAX1775 toc09
100
μ
s/div
V
IN
V
MAIN
50mV/div
5V
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
MAIN
= +3.3V, V
CORE
= +1.8V, T
A
= +25
°
C, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX1775EEE 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 125
MAX1776 32-Bit Digital Signal Controller with ROM 100-BGA MICROSTAR -40 to 85
MAX1776EUA 24V, 600mA Internal Switch, 100% Duty Cycle, Step-Down Converter
MAX1777EEI 32-Bit Digital Signal Controller with ROM 100-BGA MICROSTAR -40 to 125
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參數(shù)描述
MAX1775EEE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1775EEE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1775EEE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1775EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1775EEE-TG069 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: