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參數(shù)資料
| 型號(hào)： | MAX1778EUG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Quad-Output TFT LCD DC-DC Converters with Buffer |
| 中文描述： | 2.05 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | 4.40 MM, 1.10 MM HEIGHT, MO-153AD, TSSOP-24 |
| 文件頁(yè)數(shù)： | 16/38頁(yè) |
| 文件大?。?/td> | 1051K |
| 代理商： | MAX1778EUG |
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M
Quad-Output TFT LCD DC-DC
Converters with Buffer
16
______________________________________________________________________________________
MAX1778 toc48
B
A
4.00V
3.50V
4.50V
4.00V
3.50V
4.50V
10
μ
s/div
VCOM BUFFER
LARGE-SIGNAL RESPONSE
A. V
+
= 3.50V TO 4.50V, 0.5V/div
B. BUFOUT = BUF-, 0.5V/div
C
BUF
= 1
μ
F, V
SUPB
= 8V
C
B
A
3.8V
8.0V
200mA
4.2V
0
-200mA
4.0V
4
μ
s/div
VCOM BUFFER
LOAD-TRANSIENT RESPONSE
A. I
= 200mA PULSES, 200mA/div
B. BUFOUT = BUF-, 200mV/div
C. V
MAIN
= 8V, 50mV/div
V
SUPB
= V
MAIN
, BUF+ = GND, C
BUF
= 1
μ
F
C
B
A
3.5V
8.0V
500mA
4.5V
0
-500mA
4.0V
4
μ
s/div
VCOM BUFFER
LOAD-TRANSIENT RESPONSE
A. I
= 400mA PULSES, 500mA/div
B. BUFOUT = BUF-, 0.5V/div
C. V
MAIN
= 8V, 100mV/div
V
SUPB
= V
MAIN
, BUF+ = GND, C
BUF
= 1
μ
F
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= +3.3V,
SHDN
= IN, V
MAIN
= V
SUPP
= V
SUPN
= V
SUPB
= V
SUPL
= 8V, BUF- = BUFOUT,
BUF+ = FLTSET = TGND = PGND = GND, T
A
= +25
°
C.)
MAX1778 toc51
C
B
A
8.1V
7.8V
2V
4V
2V
0
4V
0
100
μ
s/div
VCOM BUFFER STARTUP
A. RDY, 2V/div
B. BUFOUT = BUF-, C
BUF
= 1
μ
F, 2V/div
C. V
SUPB
= V
MAIN
= 8V, I
MAIN
= 20mA, 200mV/div
BUF+ = GND
MAX1778 toc51
C
B
A
8.1V
7.8V
2V
4V
2V
0
4V
0
100
μ
s/div
VCOM BUFFER STARTUP
A. RDY, 2V/div
B. BUFOUT = BUF-, C
BUF
= 1
μ
F, 2V/div
C. V
SUPB
= V
MAIN
= 8V, I
MAIN
= 20mA, 200mV/div
BUF+ = GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1778EUG+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EUG+T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EUG-T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EVKIT | 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1778/80/81/82 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX1779EUE | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
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