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参数资料
| 型号： | MAX8727ETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC CONV TFT-LCD 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 2.6 V ~ 24 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
TFT-LCD Step-Up DC-DC Converter
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
MIN
TYP
MAX
UNITS
CONTROL INPUTS
SHDN , FREQ Input Low Voltage
SHDN , FREQ Input High Voltage
SHDN , FREQ Input Hysteresis
V IN = 2.6V to 5.5V
V IN = 2.6V to 5.5V
V IN = 2.6V to 5.5V
0.7 ×
V IN
0.1 ×
V IN
0.3 ×
V IN
V
V
V
FREQ Pulldown Current
SHDN Input Current
SHDN = GND
2.3
6.0
0.001
9.5
1
μA
μA
ELECTRICAL CHARACTERISTICS
(V IN = V SHDN = 3V, FREQ = GND, T A = -40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
Input Voltage Range
V OUT < 18V
18V < V OUT < 24V
CONDITIONS
MIN
2.6
4.0
TYP
MAX
5.5
5.5
UNITS
V
Output Voltage Range
24
V
IN Undervoltage-Lockout
Threshold
IN Quiescent Current
IN Shutdown Current
V IN rising, typical hysteresis is 50mV
V FB = 1.3V, not switching
V FB = 1.0V, switching
SHDN = GND
2.20
2.57
0.44
5
10
V
mA
μA
ERROR AMPLIFIER
FB Regulation Voltage
Level to produce V COMP = 1.24V
1.215
1.260
V
FB Input Bias Current
FB Line Regulation
Transconductance
V FB = 1.24V
Level to produce V COMP = 1.24V, V IN = 2.6V to 5.5V
100
250
0.15
300
nA
%/V
μS
Shutdown FB Input Voltage
SHDN = GND
0.05
0.15
V
OSCILLATOR
Frequency
Maximum Duty Cycle
FREQ = GND
FREQ = IN
490
900
86
770
1600
94
kHz
%
n-CHANNEL MOSFET
Current Limit
On-Resistance
Current-Sense Transresistance
V FB = 1V, 75% duty cycle
3.0
0.11
5.1
250
0.31
A
m Ω
V/A
SOFT-START
Reset Switch Resistance
100
Ω
Charge Current
V SS = 1.2V
2.5
7.5
μA
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