參數(shù)資料
型號(hào)： MAX1762-MAX1791
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency, 10-Pin レMAX, Step-Down Controllers for Notebooks
中文描述： 高效率，10引腳レ最大，降壓型筆記型電腦控制器
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 391K
代理商： MAX1762-MAX1791
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
MAX1762EUB Replaced by TMS320C2802 : 16-bit, 5V fixed point DSP 132-BQFP -40 to 125
MAX1791EUB High-Efficiency, 10-Pin レMAX, Step-Down Controllers for Notebooks
MAX1792 500mA Low-Dropout Linear Regulator in レMAX
MAX1792EUA15 500mA Low-Dropout Linear Regulator in レMAX
MAX1792EUA18 500mA Low-Dropout Linear Regulator in レMAX
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參數(shù)描述
MAX1763EEE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
MAX1763EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
MAX1763EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
MAX1763EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
MAX1763EUE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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