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參數(shù)資料
| 型號(hào)： | MAX1889EGE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Triple-Output TFT LCD Power Supply with Fault Protection |
| 中文描述： | 2.8 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, QCC16 |
| 封裝： | 5 X 5 MM, 0.90 MM HEIGHT, THIN, QFN-16 |
| 文件頁(yè)數(shù)： | 7/32頁(yè) |
| 文件大?。?/td> | 796K |
| 代理商： | MAX1889EGE |
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M
Triple-Output TFT LCD Power Supply
with Fault Protection
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= +3.3V, V
MAIN
= +9V, V
PL
= +20V, V
NL
= -7V,
SHDN
= FREQ = IN, PGND = GND, T
A
= +25
°
C, unless
otherwise noted.)
2ms/div
POWER-UP SEQUENCE FROM
SLOW-RISING INPUT SUPPLY
A
B
20V
5V
C
0
5V
10V
-10V
0
A: V
IN
, 5V/div
B: V
MAIN
= 9V, 5V/div
C: V
PL
= 20V, 10V/div
D: V
NL
= -7V, 10V/div
0
D
0
1ms/div
STEP-UP REGULATOR SOFT-START
(10mA LOAD) USING SHDN CONTROL
A
B
5V
5V
C
0
5V
0
0
5V
A: V
SHDN
, 5V/div
B: V
GATE
, 5V/div
C: V
C2
, 5V/div
D: V
MAIN
= 9V, 5V/div
10V
D
0
1ms/div
STEP-UP REGULATOR SOFT-START
(200mA LOAD) USING SHDN CONTROL
A
B
5V
5V
C
0
5V
0
0
5V
A: V
SHDN
, 5V/div
B: V
GATE
, 5V/div
C: V
C2
, 5V/div
D: V
MAIN
= 9V, 5V/div
10V
D
0
2ms/div
POWER-UP SEQUENCE
USING SHDN CONTROL
A
B
20V
5V
MAX1889 toc13
C
0
5V
10V
-10V
0
A: V
SHDN
, 5V/div
B: V
MAIN
= 9V, 5V/div
C: V
PL
= 20V, 10V/div
D: V
NL
= -7V, 10V/div
0
D
0
1
μ
s/div
STEP-UP REGULATOR NORMAL OPERATION
(200mA LOAD)
A
B
9.05V
MAX1889 toc14
C
10V
5V
9V
500mA
A: V
LX
, 5V/div
B: V
= 9V, 50mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 500mA/div
1A
0
0
0.1
1
10
POSITIVE CHARGE-PUMP
OUTPUT VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
26.2
25.0
25.2
25.4
25.6
25.8
26.0
V
IN
= 3.3V
I
MAIN
= 200mA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1889EGE+ | 制造商:Maxim Integrated Products 功能描述:TRIPLE-OUTPUT TFT LCD POWER SUPPLY WITH FAULT PROTECTION - Rail/Tube |
| MAX1889ETE | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX1889ETE+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD Power Supply 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 |
| MAX1889ETE+T | 功能描述:LCD 驅(qū)動(dòng)器 Quad-Output TFT LCD Power Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX1889ETE-T | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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