參數(shù)資料
型號(hào): MAX8557
廠商: Maxim Integrated Products, Inc.
英文描述: 3-Line To 8-Line Decoders/Demultiplexers 16-CFP -55 to 125
中文描述: 4A、超低輸入電壓LDO穩(wěn)壓器
文件頁(yè)數(shù): 2/11頁(yè)
文件大小: 228K
代理商: MAX8557
M
4A Ultra-Low-Input-Voltage
LDO Regulators
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, EN, POK, POR to GND .......................................-0.3V to +4V
FB, OUT to GND ..........................................-0.3V to (V
IN
+ 0.3V)
Output Short-Circuit Duration.....................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
16-Pin Thin QFN (derate 33.3mW/°C
above +70°C) (Note 1)............................................2666.7mW
ELECTRICAL CHARACTERISTICS
(V
EN
= V
IN
= 1.8V, V
OUT
= 1.5V, I
OUT
= 2mA, T
A
= -40°C to +85°C, typical values are at T
A
= +25°C, unless otherwise noted. Note 2)
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.
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN
Input Voltage Range
1.425
1.30
1.23
3.600
1.40
1.33
V
V
IN
rising, 70mV hysteresis
V
IN
falling
1.35
1.28
Input Undervoltage Lockout
V
OUT
Output Voltage Range
Load Regulation
Line Regulation
Dropout Voltage
0.5
3.4
V
I
OUT
= 2mA to 4A
V
IN
= 1.425V to 3.6V, V
OUT
= 1.225V
V
IN
= 1.425V, I
OUT
= 4A, V
FB
= 480mV
0.1
0
100
%/A
%/V
mV
-0.15
+0.15
200
Regulated Output-Voltage Current
Limit
V
IN
= 3.6V, V
OUT
= 3V, V
FB
= 460mV
5
7
9
A
Load Capacitance
FB
ESR < 50mA
16
120
μF
FB Threshold Accuracy
(Note 3)
V
OUT
= 1.225V to 3V, V
IN
= V
OUT
+ 0.2V to 3.6V,
I
OUT
= 2mA to 4A
V
FB
= 0.5V, V
IN
= 3.6V
495
500
505
mV
FB Input Bias Current
GND
0.001
1
μA
V
IN
= 1.425V to 3.6V, V
OUT
= 1.225V
Dropout, V
IN
= 3.6V, V
FB
= 480mV
V
IN
= 3.6V, EN = GND
800
1000
1600
2000
150
GND Supply Current
μA
GND Shutdown Current
POK
μA
FB high
FB low
540
440
550
450
25
560
460
200
FB Power-OK Fault Threshold
FB moving out of regulation,
V
IN
= 1.425V to 3.6V, 10mV hysteresis
V
FB
= 0.4V or 0.6V, I
POK
= 2mA
mV
POK Output Voltage, Low
mV
Note 1:
Maximum power dissipation is obtained using J EDEC J ESD51-5 and J ESD51-7 standards.
相關(guān)PDF資料
PDF描述
MAX8557ETE 3-Line To 8-Line Decoders/Demultiplexers 16-CDIP -55 to 125
MAX8561ETA 22 AWG BLACK PVC UL1007
MAX8574EUT-T Hex Schmitt-trigger Inverters 14-CFP -55 to 125
MAX8570 High-Efficiency LCD Boost with True Shutdown
MAX8570-MAX8575 High-Efficiency LCD Boost with True Shutdown
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8557ETE 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8557ETE+ 功能描述:低壓差穩(wěn)壓器 - LDO 4A Ultra-Low-Input-V LDO Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8557ETE+T 功能描述:低壓差穩(wěn)壓器 - LDO 4A Ultra-Low-Input-V LDO Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8557ETE-T 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8559EBA11+T 功能描述:低壓差穩(wěn)壓器 - LDO Dual 300mA Low-Noise Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20