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參數(shù)資料
| 型號： | MAX1790 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Low-Noise Step-Up DC-DC Converter(低噪聲步升DC-DC轉(zhuǎn)換器) |
| 中文描述： | 低噪聲、升壓型DC-DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 405K |
| 代理商： | MAX1790 |
M
Low-Noise Step-Up DC-DC Converter
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1, V
IN
= 3.3V, f
OSC
= 640kHz, T
A
= +25°C, unless otherwise noted.)
M
50
1
1000
100
10
EFFICIENCY vs. OUTPUT CURRENT
65
55
85
75
95
70
60
90
80
OUTPUT CURRENT (mA)
E
f
OSC
= 1.2MHz
L
= 2.7
μ
H
V
IN
= 3.3V
V
OUT
= 5V
f
OSC
= 640kHz
L
μ
H
50
1
1000
100
10
EFFICIENCY vs. OUTPUT CURRENT
65
55
85
75
95
70
60
90
80
M
OUTPUT CURRENT (mA)
E
f
OSC
= 1.2MHz
L
μ
H
V
IN
= 3.3V
V
OUT
= 12V
f
OSC
= 640kHz
L
μ
H
OUTPUT CURRENT (mA)
50
1
1000
100
10
EFFICIENCY vs. OUTPUT CURRENT
65
55
85
75
95
70
60
90
80
M
E
f
OSC
= 1.2MHz
L
= 5.4
μ
H
V
IN
= 5V
V
OUT
= 12V
f
OSC
= 640kHz
L
μ
H
0
0.2
0.1
0.4
0.3
0.6
0.5
0.7
2.5
3.5
INPUT VOLTAGE (V)
4.0
3.0
4.5
5.0
5.5
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
M
N
V
OUT
= 12V
f
OSC
= 1.2MHz
f
OSC
= 640kHz
11.60
11.70
11.65
11.80
11.75
11.90
11.85
11.95
12.05
12.00
12.10
0
40
60
OUTPUT CURRENT (mA)
80
20
100 120 140
180
160
200
OUTPUT VOLTAGE vs. OUTPUT CURRENT
M
O
f
OSC
= 640kHz
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
200mA
10mA
CH1
CH2
CH3
CH1 = LOAD CURRENT, 100mA/div
CH2 = OUTPUT VOLTAGE, AC-COUPLED, 200mV/div
CH3 = INDUCTOR CURRENT, 1A/div
V
IN
= 3V
V
OUT
= 12V, f
OSC
= 640kHz, C
OUT
= 33
μ
F + 0.1
μ
F
100
μ
s/div
LOAD-TRANSIENT RESPONSE
M
R
COMP
= 120k
C
COMP
= 1200pF
C
COMP2
= 56pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1790ESA+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX1790EUA | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Integrated Circuits (ICs) 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 |
| MAX1790EUA+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Noise Step-Up 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 |
| MAX1790EUA+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Noise Step-Up 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 |
| MAX1790EUA+-T | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 8PIN UMAX - Tape and Reel |
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