參數(shù)資料
型號： MAX1748EUE+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Triple-Output TFT-LCD DC-DC Converters
中文描述： 2 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.40 MM, 1.10 MM HEIGHT, 0.65 MM PITCH, EXPOSED PAD, TSSOP-16
文件頁數(shù)： 13/16頁
文件大?。?/td> 278K
代理商： MAX1748EUE+
MAX1748
Triple-Output TFT LCD DC-DC Converter
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 5, VIN = 3.3V, TA = +25°C, unless otherwise noted.)
8
10
18
20
12
16
14
22
24
58
79
610
11
12
MAXIMUM POSITIVE CHARGE-PUMP OUTPUT
VOLTAGE vs. SUPPLY VOLTAGE
MAX1748toc10
VSUPP (V)
V
POS
(V)
IPOS = 10mA
VPOS = 22V
IPOS = 1mA
IPOS = 20mA
0.80
0.85
0.90
1.05
1.00
0.95
1.10
1.15
1.20
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
MAX1748toc11
INPUT VOLTAGE (V)
SWITCHING
FREQUENCY
(MHz)
MEASURED FROM THE
FALLING EDGE OF LX
VMAIN = 10V
IMAIN = 100mA
1.244
1.246
1.250
1.248
1.252
1.254
020
15
10
30
25
535
40 45
50
REFERENCE VOLTAGE
vs. REFERENCE LOAD CURRENT
MAX1748toc12
IREF (
A)
V
REF
(V)
VIN = 3.3V
VMAIN
10mV/div
VNEG
10mV/div
VPOS
10mV/div
RIPPLE WAVEFORMS
MAX1748toc13
1
s/div
VMAIN = 10V, IMAIN = 200mA,
VNEG = -5V, INEG = 10mA,
VPOS = 15V, IPOS = 10mA
IMAIN
200mA/div
ILX
500mA/div
VMAIN
200mV/div
LOAD-TRANSIENT RESPONSE
MAX1748 toc14
100
s/div
VIN = 3.3V, VMAIN = 10V,
RMAIN = 500
TO 50 (20mA TO 200mA)
IMAIN
200mA/div
ILX
500mA/div
VMAIN
200mV/div
LOAD-TRANSIENT RESPONSE
WITHOUT INTEGRATOR
MAX1748toc15
100
s/div
VIN = 3.3V, VMAIN = 10V, INTG = REF,
RMAIN = 500
TO 50 (20mA TO 200mA)
-11
-9
-10
-7
-8
-4
-5
-6
-3
58
67
9
10
11
12
MAXIMUM NEGATIVE CHARGE-PUMP
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
MAX1748toc07
VSUPN (V)
V
NEG
(V)
INEG = 20mA
INEG = 1mA
INEG = 10mA
VNEG = -10mA
14.4
14.5
14.6
14.9
15.0
14.7
14.8
15.2
15.1
15.3
08
610
2
4
12 14 16 18
20
POSITIVE CHARGE-PUMP OUTPUT
VOLTAGE vs. LOAD CURRENT
MAX1748toc08
IPOS (mA)
V
POS
(V)
VSUPN = 12V
VSUPN = 8V
VSUPN = 10V
40
50
80
60
70
90
100
08
610
2
4
12 14 16 18
20
POSITIVE CHARGE-PUMP EFFICIENCY
vs. LOAD CURRENT
MAX1748toc09
IPOS (mA)
EFFICIENCY
(%)
VSUPP = 12V
VSUPP = 8V
VSUPP = 10V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1748EUE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1748EUE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1748EUE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1748EUE-TG069 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1748EVKIT 功能描述:電源管理IC開發(fā)工具 MAX1748 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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