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參數(shù)資料
| 型號(hào)： | MAX1745AUB+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High-Voltage, Step-Down DC-DC Controller in µMAX |
| 中文描述： | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MICRO MAX PACKAGE-10 |
| 文件頁(yè)數(shù)： | 10/14頁(yè) |
| 文件大?。?/td> | 256K |
| 代理商： | MAX1745AUB+T |
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MAX1744/MAX1745
High-Voltage, Step-Down DC-DC
Controller in MAX
_______________________________________________________________________________________
5
100
0
0.0001
0.001
0.01
0.1
1
10
EFFICIENCY vs. LOAD CURRENT
(VOUT = +3.3V)
20
MAX1744/5toc01
LOAD CURRENT (A)
EFFICIENCY
(%)
40
60
80
A: VIN = +5.5V
B: VIN = +12.0V
C: VIN = +24.0V
D: VIN = +36.0V
C
D
B
A
100
0
0.0001
0.001
0.01
0.1
1
10
EFFICIENCY vs. LOAD CURRENT
(VOUT = +5.0V)
20
MAX1744/5toc02
LOAD CURRENT (A)
EFFICIENCY
(%)
40
60
80
A: VIN = +7.2V
B: VIN = +12.0V
C: VIN = +24.0V
D: VIN = +36.0V
B
A
D
C
80
85
90
95
100
105
110
0
10203040
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (5.5V TO 36V)
MAX1744/5toc03
INPUT VOLTAGE (V)
QUIESCENT
CURRENT
(
A)
0
1
4
5
6
3.5
4.5
5.5
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (3.5V TO 5.5V)
MAX1744/5toc04
INPUT VOLTAGE (V)
QUIESCENT
CURRENT
(mA)
2
3
VOUT = 3.3V
0
60
40
20
80
120
100
140
0
10203040
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
MAX1744/5toc05
INPUT VOLTAGE (V)
SWITCHING
FREQUENCY
(kHz)
VOUT = 3.3V
IOUT = 2.0A
IN PIN QUIESCENT CURRENT
vs. TEMPERATURE
MAX1744/5toc06
TEMPERATURE (
°C)
QUIESCENT
CURRENT
(
A)
100
75
25
50
0
-25
86
87
88
89
90
91
92
93
94
95
85
-50
125
0
40
20
60
100
80
120
0
1000
2000
3000
4000
5000
EXT RISE AND FALL TIMES
vs. CAPACITANCE
MAX1744/5toc07
CAPACITANCE (pF)
t RISE
AND
t
FALL
(ns)
VIN = +5V
tFALL
tRISE
EXT RISE AND FALL TIMES
vs. TEMPERATURE
MAX1744/5toc08
TEMPERATURE (
°C)
t RISE
AND
t
FALL
(ns)
100
75
25
50
0
-25
5
10
15
20
25
30
35
40
45
50
0
-50
125
tRISE
tFALL
VIN = +5V
CL = 1000pF
CURRENT-SENSE TRIP LEVEL
vs. TEMPERATURE
MAX1744/5toc09
TEMPERATURE (
°C)
CURRENT-SENSE
TRIP
LEVEL
(mV)
100
75
50
25
0
-25
90
95
100
105
110
115
85
-50
125
Typical Operating Characteristics
(Circuit of Figure 1, TA = +25°C, unless otherwise specified.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1745EUB+T | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1744EUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745AUB+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
| MAX1745EUB/V+ | High-Voltage, Step-Down DC-DC Controller in µMAX |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1745EUB | 功能描述:DC/DC 開(kāi)關(guān)控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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 |
| MAX1745EUB | 制造商:Maxim Integrated Products 功能描述:HI VOLT STEP DOWN DC-DC SMD 1745 |
| MAX1745EUB/V+ | 功能描述:DC/DC 開(kāi)關(guān)控制器 High-Voltage Step-Down DC-DC Controller in MAX RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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 |
| MAX1745EUB/V+T | 功能描述:DC/DC 開(kāi)關(guān)控制器 High-Voltage Step-Down DC-DC Controller in MAX RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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 |
| MAX1745EUB+ | 功能描述:DC/DC 開(kāi)關(guān)控制器 Step-Down DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)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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