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| 型号： | MAX8723ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC REG FOR LCD DISPLAY 16-TQFN |
| 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，LCD |
| 输入电压： | 6 V ~ 13.2 V |
| 输出数： | 1 |
| 输出电压： | 3.3V，2 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
Low-Cost, Internal-Switch, Step-Down
Regulator for LCD Displays
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 with 1.5MHz components of Table 1, unless otherwise specified. V IN = V INL = 12V, V OUT = +3.3V,
PGND = GND = 0, T A = 0°C to +85°C . Typical values are at T A = +25°C, unless otherwise noted.)
PARAMETER
Step-Down Regulator Fault Trip
Level
FB Input Bias Current
CONDITIONS
3.3V fixed mode, OUT falling
FB adjustable mode, FB falling
V FB = 2.0V
MIN
1.536
50
TYP
2.640
1.600
125
MAX
1.664
200
UNITS
V
nA
Low-Frequency Operation
OUT Threshold
FSEL = GND
1.3
250
V
Low-Frequency Operation
Switching Frequency
DC Load Regulation
DC Line Regulation
FSEL = VCC
FSEL = REF
0 < I OUT < 2A
6V <V IN <13.2V
167
83
0.5
0.1
kHz
%
%/V
LX-to-IN Switch
On-Resistance
200
300
m ?
LX-to-GND Switch
On-Resistance
LX Current Limit
Soft-Start Ramp Time
Maximum Duty Cycle
10
2.40
65
20
2.75
1.7
73
30
3.10
80
?
A
ms
%
EXTERNAL FET DRIVER
EXT On-Resistance
Sourcing or sinking
2
5
?
EXT Output Driver Current
Sourcing or sinking, EXT = VCC/2
0.5
1
A
LOGIC AND I/O CONTROL
SHDN , Input Voltage Low
SHDN , Input Voltage High
SHDN , Input Current
SWITCHING FREQUENCY SELECTION
FSEL = VCC (1MHz)
2
VCC - 0.4
0.4
1
V
V
μA
FSEL Input Levels
FSEL = REF (0.5MHz)
1.6
2.4
V
FSEL = GND (1.5MHz)
0.5
FSEL Input Current
Forced to VL
10
μA
FAULT DETECTION
Duration to Trigger Fault
50
ms
Thermal Shutdown Threshold
Typical hysteresis = 15°C
+160
°C
_______________________________________________________________________________________
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