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參數(shù)資料
| 型號： | MAX1777 |
| 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、主電源控制器，用于筆記本電腦 |
| 文件頁數(shù)： | 4/32頁 |
| 文件大?。?/td> | 497K |
| 代理商： | MAX1777 |
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M
High-Effic ienc y, Quad Output, Main Power-
S upply Controllers for Notebook Computers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V
CC
, V
SHDN
= 5V,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Overvoltage Fault
Propagation Delay
FB3 or FB5 delay with 50mV overdrive
10
μs
PGOOD Threshold
FB3 or FB5 with respect to nominal output, falling edge,
typical hysteresis = 1%
-12
-9.5
-7
%
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal Shutdown Threshold
Falling edge, 50mV overdrive
I
SINK
= 4mA
High state, forced to 5.5V
10
μs
V
μA
0.3
1
160
o
C
Output Undervoltage
Shutdown Threshold
FB3 or FB5 with respect to nominal output voltage
65
70
75
%
Output Undervoltage
Shutdown Blanking Time
From ON_ signal
10
22
35
ms
INPUTS AND OUTPUTS
Feedback Input Leakage Current
V
FB3
= V
FB5
= 2.2V
Low level
High level
Low level
Float level
High level
Low level
High level
Clear fault level/SMPS off level
Delay start level
SMPS on level
V
PRO
or V
TON
= 0 or 5V
V
ON_
= 0 or 5V
V
SKIP
= 0 or 5V
V
SHDN
= 0 or 24V
V
CS_
= 0 or 5V
V
ILIM3
, V
ILIM5
= 0 or 2V
Rising edge
Falling edge
-200
+40
+200
0.6
nA
PRO
Input Voltage
1.5
V
0.8
2.3
1.7
2.4
SKIP
Input Voltage
V
0.8
TON Input Voltage
2.4
V
0.8
2.3
1.7
2.4
-1
-2
-1
-1
-2
-0.2
1.2
0.96
ON3, ON5 Input Voltage
V
+1
+2
+1
+1
+2
+0.2
2.0
1.04
Input Leakage Current
μA
1.6
1.00
SHDN
Input Trip Level
V
DH_ Gate-Driver
Sink/Source Current
DH3, DH5 forced to 2V
2
A
DL_ Gate-Driver Source Current
DL_ Gate-Driver Sink Current
DH_ Gate-Driver On-Resistance
DL3 (source), DL5 (source), forced to 2V
DL3 (sink), DL5 (sink), forced to 2V
BST - LX_ forced to 5V
DL_, high state (pullup)
DL_, low state (pulldown)
1.7
3.3
1.5
2.2
0.6
A
A
4.0
5.0
1.5
DL_ Gate-Driver On-Resistance
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1777EEI | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| MAX1777EEI+ | 功能描述:DC/DC 開關(guān)控制器 Quad-Out Main Power Sply Ctlr for Ntbk RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| MAX1777EEI+T | 功能描述:DC/DC 開關(guān)控制器 Quad-Out Main Power Sply Ctlr for Ntbk RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| MAX1777EEI-T | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| MAX1778EUG | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 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 |
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