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參數(shù)資料
| 型號(hào)： | MAX1777-MAX1999 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Efficiency, Quad Output, Main Power- Supply Controllers for Notebook Computers |
| 中文描述： | 高效率，四路輸出，主電源用于筆記本電腦控制器 |
| 文件頁(yè)數(shù)： | 10/32頁(yè) |
| 文件大?。?/td> | 497K |
| 代理商： | MAX1777-MAX1999 |
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M
High-Effic ienc y, Quad Output, Main Power-
S upply Controllers for Notebook Computers
10
______________________________________________________________________________________
Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V
CC
,
SHDN
= V+,
R
CS
= 7m
, V
ILIM
_ = 0.5V, T
A
= +25°C, unless otherwise noted.)
4.95
4.96
4.97
4.98
4.99
5.00
0
20 30 40
LDO5 OUTPUT CURRENT (mA)
10
50 60 70
90
80
100
LDO5 REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
M
L
3.330
3.334
3.332
3.338
3.336
3.342
3.340
3.344
3.348
3.346
3.350
0
20 30 40
LDO3 OUTPUT CURRENT (mA)
10
50 60 70
90
80
100
LDO3 REGULATOR OUTPUT VOLTAGE
vs. OUTPUT CURRENT
M
L
1.995
1.997
1.996
2.000
1.999
1.998
2.001
2.002
2.004
2.003
2.005
-10
10 20
0
30 40 50 60 70 80 90 100
I
REF
(
μ
A)
REFERENCE VOLTAGE
vs. OUTPUT CURRENT
M
V
R
0
2V
5V
0
3.3V
0
12V
REF, LDO3, AND LDO5 POWER-UP
MAX1777 toc22
4ms/div
V+
5V/div
LDO3
2V/div
LDO5
5V/div
REF
2V/div
0
0
5V
0
3.3V
0
5V
DELAYED START WAVEFORMS
(ON3 = REF)
MAX1777 toc23
200
μ
s/div
ON5
2V/div
OUT3
2V/div
OUT5
2V/div
0
5V
0
3.3V
0
5V
DELAYED START WAVEFORMS
(ON5 = REF)
MAX1777 toc24
200
μ
s/div
ON3
2V/div
OUT3
2V/div
OUT5
2V/div
0
5A
0
3.3V
0
5A
SOFT-START WAVEFORMS
MAX1777 toc25
200
μ
s/div
I
L5
5A/div
OUT3
5V/div
OUT5
I
L3
5A/div
0
5V
0
3.3V
0
5V
0
0
5V
SHUTDOWN WAVEFORMS
MAX1777 toc26
10ms/div
ON3
5V/div
OUT5
5V/div
DL3
5V/div
OUT3
5V/div
5V
SWITCHING
0
4A
1A
5V
MAX1777/MAX1999 (TON = V
CC
)
5V PWM-MODE
LOAD TRANSIENT RESPONSE
MAX1777 toc27
20
μ
s/div
V
OUT
,
AC-
COUPLED
100mV/div
INDUCTOR
CURRENT
2A/div
DL5
5V/div
5V
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| MAX1778EUG | 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 |
| MAX1778EUG+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer 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 |
| MAX1778EUG+T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer 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 |
| MAX1778EUG-T | 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 |
| MAX1778EVKIT | 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1778/80/81/82 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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