參數(shù)資料
型號(hào)： MAX1994ETM
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Dual Step-Down Controllers Plus Linear- Regulator Controller for Notebook Computers
中文描述： DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC48
封裝： 7 X 7 MM, 0.80 MM HEIGHT, THIN, QFN-48
文件頁數(shù)： 5/49頁
文件大?。?/td> 983K
代理商： MAX1994ETM
M
Dual Step-Down Controllers Plus Linear-
Regulator Controller for Notebook Computers
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
OUT1
= 1.20V, V
OUT2
= 2.50V, V
CC
= V
DD
= 5.0V, V
SKP1/
SDN
= V
SKP2/
SDN
= V
LIN/
SDN
= 5.0V,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
V
CC
-
1.5
TYP
V
CC
-
1.0
MAX
V
CC
-
0.5
UNITS
ILIM1 Default Threshold
V
BUCK1 Current-Limit Threshold
(Fixed)
CS1+ - CS1-; V
ILIM1
= V
CC
40
50
60
mV
CS1+ - CS1-; V
ILIM1
= 0.5V
40
50
60
BUCK1 Current-Limit Threshold
(Adjustable)
CS1+ - CS1-; V
ILIM1
= 2.0V
160
200
240
mV
BUCK1 Negative Current-Limit
Threshold (Fixed)
ILIM1 Input Bias Current
CS2 Input Bias Current
CS1+ - CS1-; V
ILIM1
= V
CC
-90
-72
-55
mV
0 to 2V
0 to 28V
-100
-1
V
CC
-
1.5
+100
+1
V
CC
-
0.5
nA
μA
ILIM2 Default Threshold
V
CC
-
1.0
V
BUCK2 Current-Limit Threshold
(Fixed)
AGND - CS2; V
ILIM2
= V
CC
40
50
60
mV
AGND - CS2; V
ILIM2
= 0.5V
40
50
60
BUCK2 Current-Limit Threshold
(Adjustable)
AGND - CS2; V
ILIM2
= 2.0V
160
200
240
mV
BUCK2 Negative Current-Limit
Threshold (Fixed)
ILIM2 Input Bias Current
Thermal-Shutdown Threshold
V
CC
Undervoltage Lockout
Threshold
DH1 Gate-Driver On-Resistance
AGND - CS2; V
ILIM2
= V
CC
-90
-72
-55
mV
0 to 2V
15
°
C hysteresis
-100
+100
nA
160
o
C
Rising edge, hysteresis = 20mV
4.10
4.45
V
BST1
–
LX1 forced to 5V (Note 4)
DL1 high state (pullup) (Note 4)
DL1 low state (pulldown) (Note 4)
1
1
4.5
4.5
2
DL1 Gate-Driver On-Resistance
0.35
DH1 Gate-Driver Source/Sink
Current
DL1 Gate-Driver Sink Current
DL1 Gate-Driver Source Current
DH1 forced to 2.5V, BST
–
LX forced to 5V
1.5
A
DL1 forced to 2.5V
DL1 forced to 2.5V
DL1 rising
DH1 rising
BST2
–
LX2 forced to 5V (Note 4)
DL2 high state (pullup) (Note 4)
DL2 low state (pulldown) (Note 4)
5
A
A
1.5
35
26
2
2
0.7
Dead Time
ns
DH2 Gate-Driver On-Resistance
8
8
3
DL2 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
MAX1994ETM+ 功能描述:DC/DC 開關(guān)控制器 Integrated Circuits (ICs) 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
MAX1994ETM+T 功能描述:DC/DC 開關(guān)控制器 Integrated Circuits (ICs) 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
MAX1994ETM-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
MAX1994EVKIT 功能描述:DC/DC 開關(guān)控制器 Evaluation Kit for the MAX1816 MAX1980 MAX1994 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
MAX1995EGI 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
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