參數(shù)資料
型號(hào)： MAX1761
廠商： Maxim Integrated Products, Inc.
英文描述： Small, Dual, High-Efficiency Buck Controller for Notebooks
中文描述： 小型、雙路、高效率buck控制器，用于筆記本電腦
文件頁(yè)數(shù)： 2/23頁(yè)
文件大?。?/td> 473K
代理商： MAX1761
M
Small, Dual, High-Efficiency
Buck Controller for Notebooks
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND..............................................................-0.3V to +22V
VL to GND ................................................................-0.3V to +6V
VL to V+ .............................................................................+0.3V
OUT_, ON2 to GND..................................................-0.3V to +6V
ON1, DH_ to GND........................................-0.3V to (V+ + 0.3V)
FB_, REF, DL_ to GND.................................-0.3V to (VL + 0.3V)
CS_ to GND.....................................................-2V to (V+ + 0.3V)
REF Short Circuit to GND...........................................Continuous
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, C
VL
= 4.7μF, C
REF
= 0.1μF, VL not externally driven unless otherwise noted,
T
A
= 0
°
C to +85
°
C
, unless
otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation
16-Pin QSOP (derate 8.3mW/°C above +70°C)......….667mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLERS
Input Voltage Range
V+
(Note 2)
4.5
0.99
2.475
1.782
1
80
-0.1
-1
20
1.01
2.525
1.818
5.5
300
0.1
1
V
FB_ = OUT_
FB1 = GND
FB2 = GND
1
2.5
1.8
V
DC Output Voltage Accuracy
(Note 3)
V
OUT_
V+
= 4.5V to 20V,
VL
= 4.75V to 5.25V,
ON2 = VL
Output Voltage Adjust Range
OUT_ Input Resistance
FB_ Input Bias Current
CS_ Input Bias Current
Soft-Start Ramp Time
V
160
k
μA
μA
μs
V
FB_
= 1V, VL = 5V
V
CS_
= 0, VL = 5V
Zero to full ILIM
1700
735
720
400
OUT1
OUT2
661
648
809
792
500
On-Time (Note 4)
t
ON
V+
= 10V, V
OUT1
= 2.5V,
V
OUT2
= 1.8V
ns
Minimum Off-Time (Note 4)
BIAS AND REFERENCE
t
OFF
ns
IL
FB1 = FB2 = GND, VL = 5V, V
OUT1
and
V
OUT2
forced above regulation point
0.60
1.20
mA
VL undriven
0.95
1.70
Quiescent Supply Current
I+
FB1 = FB2 = GND, V
OUT1
and V
OUT2
forced
above regulation point
VL = 5V
0.38
0.65
mA
IL
I+
VL
V
REF
I
REF
VL = 5V, ON1 = ON2 = GND
VL = 0, 5V
I
LOAD
= 0 to 25mA, V+ = 5V to 20V
V+ = 5V to 20V, no load
I
REF
= 0 to 50μA
REF in regulation
Falling edge
Rising edge
5
4
10
10
4.75
2.02
8
μA
μA
V
V
mV
μA
Shutdown Supply Current
VL Output Voltage
Reference Voltage
Reference Load Regulation
REF Sink Current
4.5
1.98
4.65
2
10
1.6
1.94
REF Fault Lockout Voltage
V
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MAX1761EEE+ 功能描述:DC/DC 開(kāi)關(guān)控制器 Dual Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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
MAX1761EEE+T 功能描述:DC/DC 開(kāi)關(guān)控制器 Dual Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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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