參數(shù)資料
型號(hào)： MAX1729
廠商： Maxim Integrated Products, Inc.
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320VC5506 : Digital Signal Processors 100-LQFP 0 to 0
中文描述： ECB及LCD偏置電源，帶有精確的輸出電壓及溫度補(bǔ)償
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 158K
代理商： MAX1729
M
ECB and LCD Display Bias Supply with Accurate
Output Voltage and Temperature Compensation
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to GND.................................................................-0.3V to +6V
LX, PS, OUT to GND...............................................-0.3V to +20V
CTLIN, FB, REF, COMP, TC to GND ...........-0.3V to (V
IN
+ 0.3V)
LX to PS ..................................................................-20V to +1.0V
LX, PS, OUT Current...........................................................60mA
Continuous Power Dissipation (T
A
= +70°C)
10-pin μMAX (derate 5.6mW/°C above +70°C)..........444mW
ELECTRICAL CHARACTERISTICS
(V
IN
= +3V, CTLIN = IN, FB = GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
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.
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
CONDITIONS
V
2.7
5.5
V
IN
Operating Voltage Range
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
2.0
2.6
V
LO
Undervoltage Lockout
Threshold (Note 2)
μA
μA
μA
37
30
0.4
1.228
50
40
2
I
IN
I
PS
IN Supply Current
PS Supply Current
Shutdown Supply Current
I
SHDN
CTLIN = GND, I
SHDN
= I
IN
+ I
PS
I
REF
= 0
V
1.215
1.200
1.241
1.256
V
REF
Reference Output Voltage
T
A
= +25°C
T
A
= -40°C to +85°C
FB = GND, CTLIN =
0.1% duty cycle,
I
OUT
= 0 to 0.5mA
V
V
OUT
(MIN)
Minimum Output Voltage
2.35
2.45
2.5
T
A
= -40°C to +85°C
I
OUT
= 0 to 0.5mA
V
16
16.40
V
OUT
(MAX)
Maximum Output Voltage
FB = GND, CTLIN =
0.1% to 100% duty
cycle, I
OUT
= 0
V/100%
CTLIN to V
OUT
Gain
13.90
13.95
14.00
T
A
= 0°C to +85°C
V
PS
= +18V (Note 3)
ppm/°C
±11
±18
2.5
1.228
16.5
16.5
±30
±65
TC
OUT
Output Voltage
Temperature Coefficient
T
A
= 0°C to +85°C
T
A
= -40°C to +85°C
mA
V
0.5
1.178
15.5
14.5
±50
1.215
1.200
90
I
OUT
V
TC
Maximum Output Current
TC Output Voltage
1.278
17.5
18.5
T
A
= +25°C
T
A
= 0°C to +85°C
T
A
= -40°C to +85°C
mV/°C
TC
TC
TC Output Temperature
Coefficient (Note 3)
μA
I
TC
TC Output Current
T
A
= 0°C to +85°C
2.35
2.52
T
A
= -40°C to +85°C
13.60
14.20
V
1.228
1.241
1.256
150
50
V
FB
Feedback Set Voltage (FB)
T
A
= +25°C
T
A
= -40°C to +85°C
mV
nA
122
5
V
MODE
I
FB
FB Mode Threshold
FB Bias Current
V
FB
= +1.25V
V
IN
= +5.5V
V
IN
= +2.7V
V
2
V
IH
CTLIN High Voltage
1.3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1729EUB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 ECB & LCD Display Bias 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
MAX1729EUB-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 ECB & LCD Display Bias 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
MAX172ACNG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) 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
MAX172ACNG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 100ksps 5.25V- Precision 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
MAX172ACWG 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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