參數(shù)資料
型號： MAX1880EUG
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
文件頁數(shù)： 10/38頁
文件大?。?/td> 1051K
代理商： MAX1880EUG
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
10
______________________________________________________________________________________
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.)
30
50
40
70
60
90
80
100
NEGATIVE CHARGE-PUMP EFFICIENCY
vs. LOAD CURRENT
M
I
NEG
(mA)
E
0
10
20
30
40
V
SUPN
= 7V
V
SUPN
= 8V
V
SUPN
= 6V
V
NEG
= -5V
-14
-10
-12
-6
-8
-4
-2
2
6
8
4
10
12
14
MAXIMUM NEGATIVE CHARGE-PUMP
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
M
V
SUPN
(V)
V
N
I
NEG
= 10mA
I
NEG
= 1mA
1.23
1.24
1.25
1.26
1.27
0
20
40
60
80
100
REFERENCE VOLTAGE
vs. REFERENCE LOAD CURRENT
M
I
REF
(
μ
A)
V
R
STEP-UP CONVERTER LOAD-TRANSIENT
RESPONSE
MAX1778 toc13
200mA
0
8.1V
8.0V
7.9V
1A
0
40
μ
s/div
A. I
MAIN
= 20mA to 200mA, 200mA/div
B. V
MAIN
= 8V, 100mV/div
C. INDUCTOR CURRENT, 1A/div
C
INTG
= 1000pF
C
B
A
STEP-UP CONVERTER LOAD-TRANSIENT
RESPONSE WITHOUT INTEGRATOR
200mA
0
8.1V
8.0V
7.9V
1A
0
40
μ
s/div
A. I
MAIN
= 20mA to 200mA, 200mA/div
B. V
MAIN
= 8V, 100mV/div
C. INDUCTOR CURRENT, 1A/div
INTG = REF
C
B
A
STEP-UP CONVERTER LOAD-TRANSIENT
RESPONSE (1
μ
s PULSES)
MAX1778 toc15
0.5A
0
8.0V
7.9V
1A
0.5A
0
4
μ
s/div
A. I
MAIN
= 0 to 500mA, 500mA/div
B. V
= 8V, 100mV/div
C. INDUCTOR CURRENT, 500mA/div
C
B
A
相關(guān)PDF資料
PDF描述
MAX1881EUG Quad-Output TFT LCD DC-DC Converters with Buffer
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1880EUG+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD 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
MAX1880EUG+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD 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
MAX1880EUG-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 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
MAX1881EUG 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 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
MAX1881EUG+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD 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
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