參數(shù)資料
型號: 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
文件頁數(shù): 3/18頁
文件大小: 503K
代理商: MAX1779
M
Low-Power Triple-Output TFT LCD DC-DC
Converter
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(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
MIN
TYP
MAX
UNITS
Operating Frequency
0.5
×
f
OSC
1.25
Hz
FBP Regulation Voltage
FBP Input Bias Current
DRVP PCH On-Resistance
V
FBP
I
FBP
1.20
-50
1.30
50
10
5
V
nA
k
V
V
A
V
FBP
= +1.5V
3
V
FBP
= +1.200V
V
FBP
= +1.300V
Rising edge
Falling edge
1.5
DRVP NCH On-Resistance
20
1.09
FBP Power-Ready Trip Level
FBP Fault Trip Level
Maximum RMS DRVP Current
NEGATIVE CHARGE PUMP
V
SUPN
Input Supply Range
1.13
1.11
0.1
1.16
V
SUPN
2.7
13
V
Operating Frequency
0.5
×
f
OSC
0
Hz
FBN Regulation Voltage
FBN Input Bias Current
DRVN PCH On-Resistance
V
FBN
I
FBN
-50
-50
50
50
10
5
mV
nA
k
mV
mV
A
V
FBN
= -0.05V
3
V
FBN
= +0.050V
V
FBN
= -0.050V
Falling edge
Rising edge
1.5
DRVN NCH On-Resistance
20
80
FBN Power-Ready Trip Level
FBN Fault Trip Level
Maximum RMS DRVN Current
REFERENCE
120
140
0.1
165
Reference Voltage
Reference Undervoltage
Threshold
LOGIC SIGNALS
SHDN
Input Low Voltage
V
REF
-2μA < I
REF
< 50μA
1.231
1.25
1.269
V
V
REF
rising
0.9
1.05
1.2
V
0.25V hysteresis (typ)
0.9
V
SHDN
Input High Voltage
SHDN
Input Current
RDY
Output Low Voltage
RDY
Output High Voltage
2.1
V
I
SHDN
0.01
0.25
0.01
1
μ
A
V
μ
A
I
SINK
= 2mA
V
RDY
= +13V
0.5
1
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MAX1779EUE 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
MAX1779EUE+ 功能描述:直流/直流開關(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
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