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參數(shù)資料
| 型號： | MAX1742EEE+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches |
| 中文描述： | 4.7 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, QSOP-16 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 282K |
| 代理商： | MAX1742EEE+ |
MAX1742/MAX1842
1A/2.7A, 1MHz, Step-Down Regulators with
Synchronous Rectification and Internal Switches
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = VCC = 3.3V, FBSEL = GND, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
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.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage
VIN, VCC
3.0
5.5
V
TA = +25
°C
to +85
°C
2.500
2.525
2.550
FBSEL =
VCC
TA = +0
°C
to +85
°C
2.487
2.525
2.563
TA = +25
°C
to +85
°C
1.500
1.515
1.530
FBSEL =
unconnected
TA = +0
°C
to +85
°C
1.492
1.515
1.538
TA = +25
°C
to +85
°C
1.800
1.818
1.836
FBSEL =
REF
TA = +0
°C
to +85
°C
1.791
1.818
1.845
TA = +25
°C
to +85
°C
1.089
1.100
1.111
Preset Output Voltage
VOUT
VIN = 3V to
5.5V,
ILOAD = 0
to 1A for
MAX1742,
ILOAD = 0
to 2.5A for
MAX1842,
VFB = VOUT
FBSEL =
GND
TA = +0
°C
to +85
°C
1.084
1.100
1.117
V
Adjustable Output Voltage
Range
VIN = VCC = 3V to 5.5V, ILOAD = 0,
FBSEL = GND
VREF
VIN
V
AC Load Regulation Error
2%
DC Load Regulation Error
0.4
%
Dropout Voltage
VDO
VIN = VCC = 3V, ILOAD = 1A
250
mV
TA = +25
°C to +85°C
1.089
1.100
1.111
Reference Voltage
VREF
TA = +0
°C to +85°C
1.084
1.100
1.117
V
Reference Load Regulation
ΔVREF
IREF = -1A to +10A
0.5
2
mV
VIN = 4.5V
90
200
PMOS Switch
On-Resistance
RON, P
ILX = 0.5A
VIN = 3V
110
250
VIN = 4.5V
70
150
NMOS Switch
On-Resistance
RON, N
ILX = 0.5A
VIN = 3V
80
200
m
Ω
VCC, IN to GND ........................................................-0.3V to +6V
IN to VCC.............................................................................±0.3V
GND to PGND.....................................................................±0.3V
All Other Pins to GND.................................-0.3V to (VCC + 0.3V)
LX Current (Note 1).............................................................±4.7A
REF Short Circuit to GND Duration ............................Continuous
ESD Protection .....................................................................±2kV
Continuous Power Dissipation (TA = +70°C)
SSOP (derate 16.7mW/°C above +70°C;
part mounted on 1 in.2 of 1oz. copper) ...............................1W
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
Note 1: LX has internal clamp diodes to PGND and IN. Applications that forward-bias these diodes should take care not to exceed
the IC’s package power dissipation limits.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1742EEE+ | 功能描述:直流/直流開關調節(jié)器 1A/2.7A 1MHz Step Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1742EEE+T | 功能描述:直流/直流開關調節(jié)器 1A/2.7A 1MHz Step Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1742EEE-T | 功能描述:直流/直流開關調節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX1742EVKIT | 功能描述:直流/直流開關調節(jié)器 Evaluation Kit for the MAX1742 MAX1842 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MAX17434GTL+ | 制造商:Maxim from Components Direct 功能描述:THE MAXIM MAX17434GTL+ IS A PWM REGULATOR. - Rail/Tube 制造商:Maxim 功能描述:The Maxim MAX17434GTL+ is a PWM Regulator. |
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