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參數(shù)資料
| 型號(hào)： | MAX8727 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CFP -55 to 125 |
| 中文描述： | TFT-LCD升壓型DC-DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 253K |
| 代理商： | MAX8727 |
M
TFT-LCD Step-Up DC-DC Converter
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
SHDN
= 3V, FREQ = GND,
T
A
= 0°C to +85°C
. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
CONTROL INPUTS
MIN
TYP
MAX
UNITS
SHDN
, FREQ Input Low Voltage
V
IN
= 2.6V to 5.5V
0.3
×
V
IN
V
SHDN
, FREQ Input High Voltage
V
IN
= 2.6V to 5.5V
0.7
×
V
IN
V
SHDN
, FREQ Input Hysteresis
V
IN
= 2.6V to 5.5V
0.1
×
V
IN
6.0
0.001
V
FREQ Pulldown Current
SHDN
Input Current
2.3
9.5
1
μA
μA
SHDN
= GND
ELECTRICAL CHARACTERISTICS
(V
IN
= V
SHDN
= 3V, FREQ = GND,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
2.6
4.0
TYP
MAX
5.5
5.5
24
UNITS
V
OUT
< 18V
18V < V
OUT
< 24V
Input Voltage Range
V
Output Voltage Range
V
IN Undervoltage-Lockout
Threshold
V
IN
rising, typical hysteresis is 50mV
2.20
2.57
V
V
FB
= 1.3V, not switching
V
FB
= 1.0V, switching
SHDN
= GND
0.44
5
10
IN Quiescent Current
mA
IN Shutdown Current
ERROR AMPLIFIER
FB Regulation Voltage
FB Input Bias Current
FB Line Regulation
Transconductance
Shutdown FB Input Voltage
OSCILLATOR
μA
Level to produce V
COMP
= 1.24V
V
FB
= 1.24V
Level to produce V
COMP
= 1.24V, V
IN
= 2.6V to 5.5V
1.215
1.260
250
0.15
300
0.15
V
nA
%/V
μS
V
100
0.05
SHDN
= GND
FREQ = GND
FREQ = IN
490
900
86
770
1600
94
Frequency
kHz
Maximum Duty Cycle
n-CHANNEL MOSFET
Current Limit
On-Resistance
Current-Sense Transresistance
SOFT-START
Reset Switch Resistance
Charge Current
%
V
FB
= 1V, 75% duty cycle
3.0
5.1
250
0.31
A
m
V/A
0.11
100
7.5
μA
V
SS
= 1.2V
2.5
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PDF描述 |
|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX8727ETB | 制造商:Maxim Integrated Products 功能描述:TFT-LCD STEP-UP DC-DC CONVERTER - Rail/Tube |
| MAX8727ETB+ | 制造商:Maxim Integrated Products 功能描述:TFT-LCD STEP-UP DC-DC CONVERTER - Rail/Tube |
| MAX8727ETB+T | 功能描述:LCD 驅(qū)動(dòng)器 TFT-LCD Step-Up DC/DC Converter RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)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 |
| MAX8727ETB+TG104 | 功能描述:LCD 驅(qū)動(dòng)器 TFT-LCD Step-Up DC/DC Converter RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)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 |
| MAX8727ETB-T | 功能描述:LCD 驅(qū)動(dòng)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(shí)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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