參數(shù)資料
型號： 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)： 7/49頁
文件大?。?/td> 983K
代理商： MAX1994ETM
M
Dual Step-Down Controllers Plus Linear-
Regulator Controller for Notebook Computers
_______________________________________________________________________________________
7
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
TYP
MAX
UNITS
LINGOOD Upper Trip Threshold
and LINFB Overvoltage Trip
Threshold
Measured at LINFB with respect to unloaded output
voltage, rising edge (Note 5)
8.0
10.0
12.0
%
PGOOD Propagation Delay
OUT_, FB2 forced 2% above or below PGOOD trip
threshold
LINFB forced 2% above LINGOOD lower trip
threshold
LINFB forced 2% below LINGOOD lower trip
threshold
After the output-voltage transition on BUCK1 is
complete (PGOOD blanking is enabled for N + 4
clocks, blanking is excluded in startup and
shutdown)
10
μs
LINGOOD Turn-On Delay
1
ms
LINGOOD Turn-Off Delay
10
μs
PGOOD Transition Delay
4
Clk
Forced-PWM Mode Transition Delay
After the output-voltage transition on BUCK1 is
complete (forced-PWM mode persists for N + 32
clocks for all transitions)
32
Clk
Open-Drain Output Low Voltage
(PGOOD, LINGOOD)
Open-Drain Leakage Current
(PGOOD, LINGOOD)
Input Current
OFS Positive Offset when
Programmed to Zero
I
SINK
= 3mA
0.4
V
High state, forced to 5.5V
1
μA
OFS0
–
OFS2
Deviation in the output voltage when tested with
OFS_ connected to REF
V
OUT
/
V
OFS,
V
OFS
= (0.8V - 0V)
V
OUT
/
V
OFS
,
V
OFS
= (2.0V - 1.2V)
-0.1
+0.1
μA
2
mV
0.119
0.119
0.125
0.125
0.131
0.131
OFS Gain
V/V
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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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