參數(shù)資料
型號: MAX639EPA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown and Depop 8-SOIC -40 to 85
中文描述: 1 A SWITCHING REGULATOR, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 2/12頁
文件大?。?/td> 166K
代理商: MAX639EPA
M
5V /3.3V /3V /Adjustable, High-Effic ienc y,
Low I
Q
, S tep-Down DC-DC Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+...........................................................................................12V
LX .........................................................(V+ - 12V) to (V+ + 0.3V)
LBI, LBO, VFB, SHDN, VOUT........................-0.3V to (V+ + 0.3V)
LX Output Current (Note 1)......................................................1A
LBO Output Current............................................................10mA
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) .............727mW
SO (derate 5.88mW/°C above +70°C)..........................471mW
CERDIP (derate 8.00mW/°C above +70°C)..................640mW
ELECTRICAL CHARACTERISTICS
(V+ = 9V for the MAX639, V+ = 5V for the MAX640/MAX653, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, typical values are at T
A
= +25°C,
unless otherwise noted.)
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
MIN
4.0
TYP
MAX
11.5
20
5.20
UNITS
V
μA
91
94
87
91
85
89
12.5
16.7
8.8
71.4
8.3
Dropout Voltage
0.5
V
Output Voltage (Note 2)
2.88
3.00
3.12
V
3.17
3.30
3.43
Supply Current
Supply Voltage
10
5.00
4.80
Efficiency
%
CONDITIONS
MAX653
I
OUT
= 100mA, L = 100μH
MAX653, V+ = 4.0V to 11.5V, 0mA < I
OUT
< 100mA
MAX640, V+ = 4.0V to 11.5V, 0mA < I
OUT
< 100mA
MAX639
MAX640
SHDN
= V+, no load
MAX639, V+ = 6.0V to 11.5V, 0mA < I
OUT
< 100mA
Operating Temperature Ranges:
MAX639C_ _ .......................................................0°C to +70°C
MAX639E_ _ ....................................................-40°C to +85°C
MAX639MJ A ..................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
I
OUT
= 100mA, L = 100μH
I
OUT
= 25mA, L = 470μH
I
OUT
= 100mA, L = 100μH
I
OUT
= 25mA, L = 470μH
I
OUT
= 100mA, L = 100μH
I
OUT
= 25mA, L = 470μH
V+ = 9V, V
OUT
= 5V
V+ = 6V, V
OUT
= 3V
V+ = 9V, V
OUT
= 3.3V
V+ = 4V, V
OUT
= 3.3V
V+ = 9V, V
OUT
= 3V
V+ = 4V, V
OUT
= 3V
V+ = 9V, V
OUT
= 5V
V+ = 6V, V
OUT
= 3V
V+ = 9V, V
OUT
= 3.3V
V+ = 4V, V
OUT
= 3.3V
V+ = 9V, V
OUT
= 3V
V+ = 4V, V
OUT
= 3V
Switch On-Time
42.5
9.0
16.6
13.3
13.3
14.6
50.0
11.7
19.5
15.6
15.6
17.2
57.5
13.5
22.4
17.9
17.9
19.8
μs
10.6
14.2
7.5
60.7
7.1
14.4
19.2
10.1
82.1
9.5
MAX653
MAX639
MAX640
Switch Off-Time
14.6
17.2
19.8
μs
MAX653
MAX639
MAX640
Note 1:
Peak inductor current must be limited to 600mA by using an inductor of 100μH or greater.
相關PDF資料
PDF描述
MAX640CPA 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active Low Shutdown 8-SOIC -40 to 85
MAX640CSA 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active Low Shutdown 8-MSOP-PowerPAD -40 to 85
MAX640EPA 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active Low Shutdown 8-MSOP-PowerPAD -40 to 85
MAX653CPA 5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters
MAX653CSA 8-Bit Shift Register 20-PDIP -40 to 125
相關代理商/技術參數(shù)
參數(shù)描述
MAX639EPA+ 功能描述:直流/直流開關轉換器 5/3.3/3V Adjustable Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT
MAX639ESA 功能描述:直流/直流開關轉換器 5/3.3/3V Adjustable Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT
MAX639ESA+ 功能描述:直流/直流開關轉換器 5/3.3/3V Adjustable Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT
MAX639ESA+T 功能描述:直流/直流開關轉換器 5/3.3/3V Adjustable Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT
MAX639ESA-T 功能描述:直流/直流開關轉換器 5/3.3/3V Adjustable Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT