參數(shù)資料
型號： MAX1938EEI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change
中文描述： SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-28
文件頁數(shù)： 5/24頁
文件大?。?/td> 586K
代理商： MAX1938EEI
M
Two-Phase Desktop CPU Core Supply Controllers
with Controlled VID Change
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS
(V
VCC
= 12V, V
EN
= V
VDD
= 5V, PGND = GNDS = GND, VID_= GND, C
VPOS
= 47pF, C
REF
= 0.1μF, V
ILIM
= 1V,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
GENERAL
MAX1937
V
CC
Operating Range
MAX1938/MAX1939
V
DD
Operating Range
VLG Operating Range
V
VLG
≥
V
VDD
V
CC
Operating Supply Current
FB above threshold (no switching)
V
DD
Operating Supply Current
FB above threshold (no switching)
VLG Operating Supply Current
FB above threshold (no switching)
V
CC
Shutdown Current
EN = GND
V
DD
Shutdown Current
EN = GND, VID_ not connected
VLG Shutdown Current
EN = GND
TIME Output Voltage
ILIM Input Bias
V
ILIM
= 1V
CS_ = GND, VPOS connected to REF through a 75k
resistor
REFERENCE
Reference Voltage
-50μA
≤
I
REF
≤
50μA
SOFT-START
MAX1937
MAX1938
Ramp Period
MAX1939
ERROR AMPLIFIER
GNDS Input Bias Current
Output Regulation Voltage
Accuracy
FAULT PROTECTION
MIN
TYP
MAX
24
24
5.5
6.5
40
2.5
60
5
100
5
2.04
+250
UNITS
6
8
V
4.5
4.5
20
1.96
-250
V
V
μA
mA
μA
μA
μA
μA
V
nA
VPOS Output Voltage
1.96
2.04
V
1.98
1.1
1.5
1.3
-5
2.02
5.5
6.6
7.0
+5
V
ms
μA
-1
+1
%
V
DD
UVLO Threshold
Rising or falling V
DD
4.00
4.45
V
VLG UVLO Threshold
Output Overvoltage Fault
Threshold
Rising or falling VLG
4.00
1.97
2.215
4.45
2.03
2.285
V
MAX1937/MAX1938
MAX1939
Rising and falling
V
Output UVLO Threshold
Rising and falling percentage of the nominal
regulation voltage
65
75
%
CURRENT LIMIT
PGND to CS_, V
ILIM
= 1.5V
PGND to CS_, V
ILIM
= 1V
PGND to CS_, V
ILIM
= 0.5V
135
90
45
165
110
55
Current-Limit Threshold
mV
相關(guān)PDF資料
PDF描述
MAX1939 Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1938EEI-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 安裝風格: 封裝 / 箱體:CPAK
MAX1938EEI-TG069 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1938EVKIT 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
MAX1939EEI 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 安裝風格: 封裝 / 箱體:CPAK
MAX1939EEI-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 安裝風格: 封裝 / 箱體:CPAK
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