參數(shù)資料
型號(hào)： MAX1779
廠商： Maxim Integrated Products, Inc.
英文描述： 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 125
中文描述： 低功耗、三輸出TFT LCD DC-DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/18頁(yè)
文件大?。?/td> 503K
代理商： MAX1779
M
Low-Power Triple-Output TFT LCD DC-DC
Converter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
, TGND to GND.........................................-0.3V to +6V
DRVN to GND.........................................-0.3V to (V
SUPN
+ 0.3V)
DRVP to GND..........................................-0.3V to (V
SUPP
+ 0.3V)
PGND to GND.....................................................................±0.3V
RDY
to GND ...........................................................-0.3V to +14V
LX, SUPP, SUPN to PGND .....................................-0.3V to +14V
INTG, REF, FB, FBN, FBP to GND...............-0.3V to (V
IN
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= +10V, TGND = PGND = GND, C
REF
= 0.22μF, C
INTG
= 2200pF,
T
A
= 0°C to +85°C
,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
Input Supply Range
V
IN
Input Undervoltage Threshold
V
UVLO
V
IN
rising, 40mV hysteresis (typ)
IN Quiescent Supply Current
I
IN
V
FB
= V
FBP
= +1.5V, V
FBN
= -0.2V
SUPP Quiescent Current
I
SUPP
V
FBP
= +1.5V
SUPN Quiescent Current
I
SUPN
V
FBN
= -0.1V
IN Shutdown Current
V
SHDN
= 0, V
IN
= +5V
SUPP Shutdown Current
V
SHDN
= 0, V
SUPP
= +13V
SUPN Shutdown Current
V
SHDN
= 0, V
SUPN
= +13V
MAIN BOOST CONVERTER
Output Voltage Range
V
MAIN
FB Regulation Voltage
V
FB
FB Input Bias Current
I
FB
V
FB
= +1.25V, INTG = GND
Operating Frequency
f
OSC
Oscillator Maximum Duty Cycle
Load Regulation
I
MAIN
= 0 to 50mA, V
MAIN
= +5V
Line Regulation
Integrator Gm
LX Switch On-Resistance
R
LX(ON)
I
LX
= 100mA
LX Leakage Current
I
LX
V
LX
= +13V
LX Current Limit
I
LIM
Maximum RMS LX Current
FB Fault Trip Level
Falling edge
POSITIVE CHARGE PUMP
V
SUPP
Input Supply Range
V
SUPP
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ..........755mW
Operating Temperature Range
MAX1779EUE ..................................................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MIN
2.7
2.2
TYP
MAX
5.5
2.6
1
0.55
0.55
10
10
10
UNITS
V
V
mA
mA
mA
μ
A
μ
A
μ
A
2.4
0.5
0.25
0.25
0.1
0.1
0.1
V
IN
1.235
-50
212
79
13
V
V
1.248
1.261
50
288
92
nA
kHz
%
%
% / V
μ
s
μ
A
mA
mA
V
250
85
0.1
0.1
320
1.0
0.01
450
250
1.1
2.0
20
650
350
1.07
1.14
2.7
13
V
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX1779EUE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD 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
MAX1779EUE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD 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
MAX1779EUE-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
MAX177C/D 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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