参数资料
型号: MAX1779EUE+
厂商: Maxim Integrated Products
文件页数: 6/18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.)
100
EFFICIENCY vs. LOAD CURRENT
(BOOST CONVERTER AND CHARGE PUMPS)
NEGATIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. LOAD CURRENT
-7.76
100
NEGATIVE CHARGE-PUMP EFFICIENCY
vs. LOAD CURRENT
90
80
V MAIN = +10V
SINGLE-STAGE
V MAIN = +5V
TWO-STAGE
CHARGE PUMPS
-7.80
-7.84
-7.88
-7.92
V SUPN = +5V
V SUPN = +6V
90
80
70
V SUPN = +5V
V SUPN = +6V
70
CHARGE PUMPS
-7.96
-8.00
V SUPN = +7V
60
50
V SUPN = +7V
60
50
0
50
100
V NEG = -8V, I NEG = 1mA
V POS = +12V, I POS = 1mA
150 200 250
-8.04
-8.08
0
5
10
15
20
40
30
0
5
10
V NEG = -8V
15 20
I MAIN (mA)
POSITIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. LOAD CURRENT
12.24
12.12
100
90
80
I NEG (mA)
POSITIVE CHARGE-PUMP EFFICIENCY
vs. LOAD CURRENT
V SUPP = +5V
300
280
I NEG (mA)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
12.00
11.88
V SUPP = +7V
70
60
V SUPP = +6V
260
240
50
V SUPP = +7V
11.76
11.64
V SUPP = +5V
V SUPP = +6V
40
30
V POS = +12V
220
200
0
5
10
15
20
25
30
0
5
10
15
20
25
30
2.5
3.0
3.5
4.0
4.5
5.0
I POS (mA)
I POS (mA)
INPUT VOLTAGE (V)
1.256
REFERENCE VOLTAGE
vs. REFERENCE LOAD CURRENT
RIPPLE WAVEFORMS
MAX1779-14
5.1V
LOAD TRANSIENT
(L = 10 μ H, 500 μ s PULSE)
MAX1779-15
1.254
5V
A
5.0V
A
1.252
1.250
1.248
1.246
-8V
12V
B
C
4.9V
50mA
0
B
1.244
0
10
20
30
40
50
4.0 μ s/div
100 μ s/div
I REF ( μ A)
A. V MAIN = 5V, I MAIN = 100mA, 10mV/div
B. V NEG = -8V, I NEG = 1mA, 5mV/div
C. V POS = 12V, I POS = 1mA, 5mV/div, FIGURE 5
A. V MAIN = 5V, 50mV/div
B. V MAIN = 5mA to 50mA, 25mA/div
FIGURE 6
6
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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
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