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參數(shù)資料
| 型號： | MAX746ESE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125 |
| 中文描述： | SWITCHING CONTROLLER, PDSO16 |
| 封裝： | 0.150 INCH , PLASTIC, SO-16 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 157K |
| 代理商： | MAX746ESE |
M
High-Effic ienc y, PWM, S tep-Down,
N-Channel DC-DC Controller
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage V+, AV+ to GND..............................-0.3V to 17V
HIGH, EXT to GND....................................................-0.3V to 21V
AGND to GND..........................................................-0.3V to 0.3V
All Other Pins................................................-0.3V to (V+ + 0.3V)
Reference Current (I
REF
) ....................................................±2mA
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) ..........842mW
Narrow SO (derate 8.70mW/°C above +70°C) ............696mW
CERDIP (derate 10.00mW/°C above +70°C)...............800mW
Operating Temperature Ranges:
MAX746C_E........................................................0°C to +70°C
MAX746E_E .....................................................-40°C to +85°C
MAX746MJ E ..................................................-55°C to +125°C
J unction Temperatures:
MAX746C_E/E_E..........................................................+150°C
MAX746MJ E.................................................................+175°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
ELECTRICAL CHARACTERISTICS
(V+ = 10V, I
LOAD
= 0A, I
REF
= 0
μ
A, T
A
= T
MIN
to T
MAX
, 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
SYMBOL
MIN
TYP
MAX
UNITS
Efficiency
94
%
Load Regulation
1.3
2.5
%
Line Regulation
0.1
%/V
OUT Leakage Current
50
80
μ
A
FB Input Logic Low
40
mV
Output Voltage
Input Voltage
4
15
V
V
OUT
4.85
5.08
5.25
V
Feedback Voltage
V
FB
V
Reference Voltage
V
REF
1.96
2.00
2.04
Reference Load Regulation
9
20
mV
μ
A
μ
A
Soft-Start Source Current
0.5
1.0
1.5
Soft-Start Fault Current (Note 1)
100
500
Supply Current (Note 2)
I
SUPP
1.7
mA
0.95
1.4
20
μ
A
Oscillator Frequency
f
OSC
80
100
120
kHz
CONDITIONS
I
REF
= 0
μ
A to 100
μ
A
0V < (V+ - CS) < 0.125V
V+ = 4V to 15V, external feedback mode
V
OUT
= 5V
For dual-mode switchover
SS = 0V
SS = 2V
Operating, V+ = 15V
Operating, V+ = 10V
Shutdown mode
(V+ - CS) = 0V,
external feedback mode
FB Input Leakage Current
1
100
nA
FB = 2V
I
REF
= 0
μ
A
MAX746E/M
MAX746E/M
1.95
2.00
2.05
MAX746C
V+
V+ = 6V to 15V, 0V < (V+ - CS) < 0.125V,
FB = 0V (includes line and load regulation)
MAX746C
1.96
2.00
2.04
V+ = 6V to 15V, FB = 0V
0.05
Circuit of Figure 1, I
LOAD
= 0.5A to 2.5A,
V+ = 6V
1.97
2.00
2.03
V
MAX746E/M
MAX746C
1.1
1.4
MAX746E/M
85
100
115
MAX746C
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|---|---|
| MAX746ESE-T | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| MAX746MJE | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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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| MAX7474EAE+T | 功能描述:視頻 IC Adaptive Equalizer f/Vid Over Twist Pr RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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