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参数资料
| 型号： | MAX1889ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/32页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUP TRPL LCD 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 控制器，TFT LCD |
| 输入电压： | 2.7 V ~ 5.5 V |
| 输出数： | 3 |
| 输出电压： | 2.7 V ~ 13 V |
| 工作温度： | 0°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（5x5） |
| 包装： | 带卷 (TR) |
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Triple-Output TFT LCD Power Supply
with Fault Protection
ABSOLUTE MAXIMUM RATINGS
IN, SHDN , OCN, OCP,
FB, FBP, FBN, FREQ to GND ...............................-0.3V to +6V
PGND to GND.....................................................................±0.3V
LX to PGND ............................................................-0.3V to +14V
DRVP to GND .........................................................-0.3V to +30V
REF, GATE, TGND to GND ..........................-0.3V to (V IN + 0.3V)
DRVN to GND .....................................(V IN - 28V) to (V IN + 0.3V)
Continuous Power Dissipation (T A = +70°C)
16-Pin QFN (derate 19.2mW/°C above +70°C) .........1538mW
Operating Temperature Range
MAX1889EGE ..................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS
(V IN = 3V, SHDN = IN, C REF = 0.22μF, PGND = GND, T A = 0°C to +85°C . Typical values are at T A = +25°C, unless otherwise noted.)
PARAMETER
IN Supply Range
SYMBOL
V IN
CONDITIONS
MIN
2.7
TYP
MAX
5.5
UNITS
V
IN Undervoltage Lockout
(UVLO) Threshold
V UVLO
350mV typical
hysteresis
V IN rising
V IN falling
2.55
2.2
2.7
2.35
2.85
2.5
V
IN Quiescent Current
I IN
V FB = V FBP = 1.5V, V FBN = 0V (Note 1)
1.0
mA
IN Shutdown Current
V SHDN = 0, V IN = 5V
0.1
1.0
μA
REF Output Voltage
V REF
-2μA < I REF < 50μA
1.231
1.250
1.269
V
Thermal Shutdown
MAIN STEP-UP REGULATOR
160
° C
Main Output Voltage Range
V MAIN
V IN
13
V
Operating Frequency
Oscillator Maximum Duty Cycle
FB Regulation Voltage
FB Fault Trip Level
f OSC
V FB
V FREQ = V IN
V FREQ = 0V
I LX = 200mA, slope = 0 (Note 2)
V FB falling
0.85
80
1.229
0.95
1
500
85
1.242
1.0
1.15
90
1.254
1.05
MHz
kHz
%
V
V
Load Regulation
Line Regulation
I MAIN = 0 to full load
V IN = 2.7V to 5.5V
-1.6
0.2
%
%/V
FB Input Bias Current
LX Switch On-Resistance
I FB
R LX(ON)
V FB = 1.5V
-100
250
+100
450
nA
m ?
LX Leakage Current
LX Current Limit
I LX
I LIM
V LX = 13V
1.6
0.01
2.1
20
2.8
μA
A
LX RMS Current Rating
Soft-Start Period
Soft-Start Step Size
t SS
Not tested
4096 /
f OSC
V REF /32
1.4
A
s
V
POSITIVE LINEAR-REGULATOR CONTROLLER
FBP Regulation Voltage
FBP Fault Trip Level
FBP Input Bias Current
V FBP
I FBP
I DRVP = 0.2mA
V FBP falling
V FBP = 1.25V
1.213
0.96
-50
1.25
1.0
1.288
1.04
+50
V
V
nA
FBP Effective Transconductance
V DRVP = 10V, I DRVP = 0.1mA to 2mA
75
mS
2
_______________________________________________________________________________________
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| MAX1889EVKIT | 功能描述:电源管理IC开发工具 MAX1889 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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| MAX188ACAP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX188ACAP-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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