參數(shù)資料
型號： MAX1817
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號處理
英文描述： Replaced by TMS320VC5506 : Digital Signal Processors 132-BQFP
中文描述： 緊湊的、高效率、雙輸出、升壓型DC-DC轉(zhuǎn)換器
文件頁數(shù)： 5/12頁
文件大?。?/td> 403K
代理商： MAX1817
M
Compact, High-Efficiency, Dual-Output
Step-Up DC-DC Converter
_______________________________________________________________________________________
5
0.1
10
1
100
1000
MAIN OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
95
70
75
85
90
80
A: V
IN
= 3.3V,
V
OUT
= 5V
B: V
IN
= 2.4V,
V
OUT
= 5V
C: V
IN
= 2.4V,
V
OUT
= 3.3V
D: V
IN
= 1.8V,
V
OUT
= 5V
E: V
IN
= 1.8V,
V
OUT
= 3.3V
CIRCUIT OF FIGURE 2
75
25
0.01
0.1
1
10
100
LCD OUTPUT EFFICIENCY
vs. LOAD CURRENT
35
M
LOAD CURRENT (mA)
E
45
55
50
65
60
40
30
70
A: V
IN
= +2.4V, V
LCD
= 12V
B: V
IN
= +2.4V, V
LCD
= 18V
C: V
IN
= +2.4V, V
LCD
= 24V
D: V
IN
= +1.8V, V
LCD
= 12V
E: V
IN
= +1.8V, V
LCD
= 18V
F: V
IN
= +1.8V, V
LCD
= 24V
V
= 3.3V,
NO LOAD
A
B
C
D
E
F
0
40
20
80
60
140
120
100
160
1.0
1.2
STARTUP VOLTAGE (V)
1.1
1.3
1.4
1.5
1.6
1.7
STARTUP VOLTAGE vs. LOAD CURRENT
M
L
RESISTIVE LOAD
LCD OFF
0
4
2
10
8
6
16
14
12
18
1.0
2.0
INPUT VOLTAGE (V)
MAIN CONVERTER
SWITCHING WAVEFORM
1.5
2.5
3.0
3.5
4.0
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (LCD OFF)
M
S
μ
A
0
100
50
250
200
150
400
350
300
450
0
2
1
3
4
5
6
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
μ
A
V
OUT
= 3.3V
V
= 18V, NO LOAD
R1 = 1M
, R2 = 75k
10
μ
s/div
MAX1817-06
A: I
LX
, 500mA/div
B: V
OUT
, 50mV/div, AC-COUPLED
C: V
LX
, 5V/div
V
IN
= 2.4V, V
OUT
= 3.3V, I
LOAD,OUT
= 50mA, V
ONLCD
= 0
0
A
B
C
0
4
μ
s/div
LCD CONVERTER
SWITCHING WAVEFORM
MAX1817-07
A: I
LXLCD
, 500mA/div
B: V
LCD
, 100mV/div, AC-COUPLED
C: V
LXLCD
, 10V/div
V
IN
= 2.4V, V
OUT
= 3.3V, I
= 0,
V
LCD
= 18V, I
LOAD,LCD
= 5mA
0
A
B
C
0
Typical Operating Characteristics
(Circuit of Figure 3, T
A
= +25
°
C, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX1817EUB Replaced by TMS320VC5506 : Digital Signal Processors 132-BQFP -40 to 85
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MAX1822ESA High-Side Power Supply
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1817EUB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Output Step-Up DC/DC Converter 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
MAX1817EUB+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Output Step-Up DC/DC Converter 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
MAX1817EUB+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Output Step-Up DC/DC Converter 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
MAX1817EUB-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual-Output Step-Up DC/DC Converter 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
MAX1817EVKIT 制造商:Maxim Integrated Products 功能描述:COMPACT, HIGH-EFFICIENCY, DUAL-OUTPUT STEP-UP - Bulk
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