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參數(shù)資料
| 型號： | MAX748AEWE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Circular Connector; No. of Contacts:26; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-26 RoHS Compliant: No |
| 中文描述： | 2 A SWITCHING REGULATOR, 212.5 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 135K |
| 代理商： | MAX748AEWE |
M
3.3V, S tep-Down,
Current-Mode PWM DC-DC Converters
_________________________________________________________________________________________________
3
Note 1:
The standby current typically settles to 10μA (over temperature) within 2 seconds; however, to decrease test time, the part
is guaranteed at a 100μA maximum value.
MAXIMUM OUTPUT CURRENT
vs. SUPPLY VOLTAGE
M
0
200
400
600
800
1000
0
2
4
6
8
10
12
14
16
SUPPLY VOLTAGE (V)
MAX748A
MAX763A
NOTE 2
MAX763A
EFFICIENCY vs. OUTPUT CURRENT
E
60
65
70
75
80
85
90
95
100
0
100 200 300 400 500 600 700 800
OUTPUT CURRENT (mA)
VIN = 7.0V
VIN = 5.0V
VIN = 11.0V
NOTE 2
MAX748A
EFFICIENCY vs. OUTPUT CURRENT
E
OUTPUT CURRENT (mA)
60
65
70
75
80
85
90
95
100
0
100 200 300 400 500 600 700 800 900
VIN = 4.5V
VIN = 16V
VIN = 12V
VIN = 9V
VIN = 6V
NOTE 2
________________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 3, T
A
= +25°C, V
OUT
= 3.3V, unless otherwise noted.)
PARAMETER
CONDITIONS
MAX748A
TYP
88
90
1.7
0.2
MAX763A
TYP
88
90
1.4
0.2
UNITS
MIN
MAX
MIN
MAX
Efficiency
V+ = 5V
I
LOAD
= 300mA
I
LOAD
= 100mA
%
Supply Current
Shutdown Current
Includes switch current
3.0
100.0
2.5
100.0
mA
μA
SHDN
= 0V (Note 1)
V
IH
V
IL
Shutdown Input
Threshold
2.0
2.0
V
0.25
0.25
Shutdown Input
Leakage Current
Short-Circuit Current
Undervoltage Lockout
LX On Resistance
LX Leakage Current
Reference Voltage
Reference Drift
Oscillator Frequency
Compensation Pin
Impedance
1.0
1.0
μA
1.2
2.7
1.0
10
1.22
50
180
1.2
2.7
1.0
10
1.22
50
200
A
V
nA
V
V+ falling
I
LX
= 500mA
V+ = 12V, LX = 0
T
A
= +25°C
T
A
= T
MIN
to T
MAX
3.0
3.0
1.15
1.30
1.15
1.30
ppm/°C
kHz
159
212.5
159
212.5
7500
7500
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V+ = 5V, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX748AEWE+ | 功能描述:直流/直流開關轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter 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 |
| MAX748AEWE+T | 功能描述:直流/直流開關轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter 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 |
| MAX748AEWE-T | 功能描述:直流/直流開關轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter 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 |
| MAX748AMJA | 功能描述:直流/直流開關轉(zhuǎn)換器 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 |
| MAX7490CEE | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
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