參數(shù)資料
型號： 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
文件頁數(shù)： 9/32頁
文件大?。?/td> 796K
代理商： MAX1889EGE
M
Triple-Output TFT LCD Power Supply
with Fault Protection
_______________________________________________________________________________________
9
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.)
400
μ
s/div
NEGATIVE LINEAR-REGULATOR
LOAD-TRANSIENT RESPONSE
A
B
-10mA
0
A: V
NL
= -7V, 50mV/div, AC-COUPLED
B: I
NL
= 0 TO -10mA, 10mA/div
-6.95V
-7V
20ms/div
OVERCURRENT PROTECTION RESPONSE
TO OVERLOAD DURING STARTUP
B
D
10V
-10V
0
A: V
GATE
, 5V/div
B: V
MAIN
, 5V/div; I
MAIN
= 1.5A
C: V
PL
, 10V/div; I
PL
D: V
NL
, 10V/div; I
NL
= 10mA
5V
0
A
C
5V
0
0
1.245
1.246
1.247
1.248
1.249
1.250
0
40
50
20
30
LOAD CURRENT (
μ
A)
10
60
70
80
90 100
REFERENCE VOLTAGE vs. LOAD CURRENT
M
R
2.4
2.3
2.2
2.1
2.0
2.5
4.0
3.0
3.5
INPUT VOLTAGE (V)
4.5
5.0
5.5
LX CURRENT LIMIT vs. INPUT VOLTAGE
M
C
20ms/div
OVERCURRENT PROTECTION RESPONSE
TO OVERLOAD DURING NORMAL OPERATION
B
D
10V
-10V
0
A: V
GATE
, 5V/div
B: V
MAIN
= 9V, 5V/div; I
MAIN
= 200mA TO 1.5A
C: V
PL
= 20V, 10V/div; I
PL
= 10mA
D: V
NL
= -7V, 10V/div; I
NL
= 10mA
5V
0
A
C
5V
0
0
20V
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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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