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参数资料
| 型号： | MAX1779EUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV TRPL LCD 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 应用： | 转换器，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-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
Low-Power Triple-Output TFT LCD DC-DC
Converter
Typical Operating Characteristics (continued)
(Circuit of Figure 5, V IN = +3.3V, T A = +25°C, unless otherwise noted.)
STARTUP WAVEFORM
2V
0
5V
(L = 33 μ H)
MAX1779-22
A
2V
0
5V
POWER-UP SEQUENCING
MAX1779-23
A
B
B
3V
500mA
0
-10V
C
0
C
10V
D
0
200 μ s/div
A. V SHDN = 0 to 2V, 2V/div
B. V MAIN = 5V, 1V/div
C. I L , 500mA/div
R MAIN = 50 Ω
4ms/div
A. V SHDN = 0 to 2V, 2V/div
B. V MAIN = 5V, R MAIN = 50 Ω , 2.5V/div
C. V NEG = -8V, R NEG = 8k Ω , 10V/div
D. V POS = +12V, R POS = 12k Ω , 10V/div
Pin Description
PIN
1
2
3
4
5
6
7
8
9
NAME
RDY
FB
INTG
IN
GND
REF
FBP
FBN
SHDN
FUNCTION
Active-Low Open-Drain Output. Indicates all outputs are ready. The on-resistance is 125 Ω (typ).
Main Boost Regulator Feedback Input. Regulates to 1.25V nominal. Connect feedback resistive
divider to analog ground (GND).
Main Boost Integrator Output. If used, connect 2200pF to analog ground (GND). To disable
integrator, connect to REF.
Supply Input. +2.7V to +5.5V input range. Bypass with a 0.1 μ F capacitor between IN and GND, as
close to the pins as possible.
Analog Ground. Connect to power ground (PGND) underneath the IC.
Internal Reference Bypass Terminal. Connect a 0.22 μ F capacitor from this terminal to analog ground
(GND). External load capability to 50 μ A.
Positive Charge-Pump Regulator Feedback Input. Regulates to 1.25V nominal. Connect feedback
resistive divider to analog ground (GND).
Negative Charge-Pump Regulator Feedback Input. Regulates to 0V nominal.
Active-Low Logic-Level Shutdown Input. Connect SHDN to IN for normal operation.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1779EUE+ | 功能描述:直流/直流开关转换器 Triple-Output TFT LCD RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1779EUE+T | 功能描述:直流/直流开关转换器 Triple-Output TFT LCD RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1779EUE-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX177C/D | 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 |
| MAX177CNG | 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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