參數(shù)資料
型號(hào)： MAX1791EUB
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Efficiency, 10-Pin レMAX, Step-Down Controllers for Notebooks
中文描述： SWITCHING CONTROLLER, 328 kHz SWITCHING FREQ-MAX, PDSO10
封裝： MICRO MAX PACKAGE-10
文件頁數(shù)： 4/20頁
文件大?。?/td> 391K
代理商： MAX1791EUB
M
High-Efficiency, 10-Pin μMAX, Step-Down
Controllers for Notebooks
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(V
VP
= 15V, VL enabled, C
VL
= 1μF, C
REF
= 0.1μF,
T
A
= -40 to +85
°
C,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
V
VP
V
VL
CONDITIONS
MIN
5
4.75
TYP
MAX
20
5.25
UNITS
V
V
VP Input Voltage Range
VL Input Voltage Range
VL (overdriven)
OUT Output Voltage
(MAX1762, 1.8V Fixed)
V
OUT
V
VP
= 5V to 20V, V
VL
= 4.75V to 5.25V,
FB = GND, continuous conduction mode
1.773
1.827
V
OUT Output Voltage
(MAX1762, 2.5V Fixed)
V
OUT
V
VP
= 5V to 20V, V
VL
= 4.75V to 5.25V,
FB = VL, continuous conduction mode
2.463
2.538
V
OUT Output Voltage
(MAX1791, 3.3V Fixed)
V
OUT
V
VP
= 5V to 20V, V
VL
= 4.75V to 5.25V,
FB = GND, continuous conduction mode
3.250
3.350
V
OUT Output Voltage
(MAX1791, 5V Fixed)
V
OUT
V
VP
= 7V to 20V, V
VL
= 4.75V to 5.25V,
FB = VL, continuous conduction mode
4.925
5.075
V
OUT Output Voltage (adj Mode)
V
VP
= 5V to 20V, V
VL
= 4.75V to 5.25V,
FB = OUT, continuous conduction mode
1.231
1.269
V
FB Input Bias Current
V
FB
= 1.3V
V
OUT
= 1.25V, V
VP
= 6V
V
OUT
= 5V, V
VP
= 6V
-0.2
666
2550
250
0.2
814
3110
550
μ
A
On-Time (Note 2)
t
ON
ns
Minimum Off-Time (Note 2)
t
OFF
ns
VL Quiescent Supply Current
FB = GND, V
VL
= 5V, OUT forced above the
regulation point
260
μ
A
V
V L
= float
V
V L
= 5V
410
200
15
12
4.75
2.02
0.01
VP Quiescent Supply Current
FB = GND, OUT forced above
the regulation point V
VP
= 20V
V
VL
= 5V,
SHDN
= GND
S HD N
= GN D m easur ed at V P V
V L
= 0 or 5V
I
LOAD
= 0 to 25mA, V
VP
= 5V to 20V
V
VL
= 4.75V to 5.25V, no load
I
REF
= 0 to 50μA
REF in regulation
μ
A
VL Shutdown Supply Current
VP Shutdown Supply Current
VL Output Voltage
Reference Voltage
Reference Load Regulation
REF Sink Current
μ
A
μ
A
V
V
V
μ
A
4.5
1.98
10
Output Undervoltage Threshold
(Foldback)
With respect to regulation point, no load
60
80
%
Output Undervoltage Lockout
Time (Foldback)
From
SHDN
signal going high, V
OUT
< 0.6 x
regulation point
10
42
ms
Current-Limit Threshold
V
ILIM
-90
-110
mV
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1791EUB+ 功能描述:DC/DC 開關(guān)控制器 Step-Down for Notebook 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
MAX1791EUB+ 制造商:Maxim Integrated Products 功能描述:CONTROLLER ((NW))
MAX1791EUB+T 功能描述:DC/DC 開關(guān)控制器 Step-Down for Notebook 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
MAX1791EUB-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
MAX1791EVKIT 功能描述:DC/DC 開關(guān)控制器 Evaluation Kit for the MAX1791 MAX1762 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
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