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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 405K |
| 代理商： | MAX1790 |
M
for secondary outputs (V2 and V3) depends on the load
characteristics of all three outputs.
Layout Procedure
Good PC board layout and routing are required in high-
frequency switching power supplies to achieve good
regulation, high efficiency, and stability. It is strongly
recommended that the evaluation kit PC board layouts
be followed as closely as possible. Place power com-
ponents as close together as possible, keeping their
traces short, direct, and wide. Avoid interconnecting
the ground pins of the power components using vias
through an internal ground plane. Instead, keep the
power components close together and route them in a
“
star
”
ground configuration using component-side
coper, then connect the star ground to internal ground
using multiple vias.
Chip Information
TRANSISTOR COUNT: 1012
Low-Noise Step-Up DC-DC Converter
10
______________________________________________________________________________________
LX
IN
V
IN
2.6V TO 5.5V
GND
L1 = CTX8-1P
C
OUT
= TPSD226025R0200
C2
10
μ
F
FREQ
V
OUT
3.3V
CC
SS
SHDN
FB
D1
R1
1M
R2
605k
L1A
5.3
μ
H
0.027
μ
F
MAX1790
C
OUT
22
μ
F
20V
C1
10
μ
F
10V
R
COMP
22k
C
COMP
330pF
C
COMP2
56pF
L1B
5.3
μ
H
Figure 3. MAX1790 in a SEPIC Configuration
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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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