参数资料
型号: MAX8740ETB+T
厂商: Maxim Integrated Products
文件页数: 4/12页
文件大小: 0K
描述: IC CONV DC-DC 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 ~ 28 V
工作温度: -40°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
Typical Operating Characteristics
(Circuit of Figure 1. V IN = 5V, V MAIN = 15V, T A = +25 ° C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(1.2MHz OPERATION)
EFFICIENCY vs. LOAD CURRENT
OUTPUT VOLTAGE vs. LOAD CURRENT
100
90
L = 2.7 μ H
f OSC = 1.2MHz
V IN = 5.0V
100
90
L = 5.6 μ H
f OSC = 640kHz
V IN = 5.0V
12.9
12.7
80
80
12.5
V IN = 5.0V
70
V IN = 3.3V
70
V IN = 3.3V
12.3
12.1
V IN = 3.3V
60
60
11.9
50
50
11.7
f OSC = 1.2MHz
L = 2.7 μ H
40
1
10
100
1000
40
1
10
100
1000
11.5
1
10
100 1000
10,000
1400
LOAD CURRENT (mA)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
0.7
LOAD CURRENT (mA)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0.60
LOAD CURRENT (mA)
SUPPLY CURRENT vs. TEMPERATURE
(SWITCHING)
1200
FREQ = IN
0.6
0.5
SWITCHING
0.55
V IN = 5.0V
1000
0.4
V IN = 3.3V
800
FREQ = GND
0.3
NONSWITCHING
0.50
600
0.2
400
0.1
0.45
2.5
3.0
3.5 4.0 4.5
5.0
5.5
2.5
3.0
3.5 4.0 4.5
5.0
5.5
-40
-20
0
20 40 60
80
100
INPUT VOLTAGE (V)
SOFT-START
(R LOAD = 30 ? )
2ms/div
MAX8740 toc07
SUPPLY VOLTAGE (V)
SWITCHING WAVEFORMS
(I LOAD = 800mA)
MAX8740 toc08
400ns/div
TEMPERATURE ( ° C)
4
_______________________________________________________________________________________
相关PDF资料
PDF描述
MAX8742EAI+ IC CNTRLR PWR SUP 28-SSOP
MAX8744AETJ+T IC CNTRLR PWR SUP QUAD 32TQFN
MAX8745ETJ+ IC CNTRLR PWR SUP QUAD 32TQFN
MAX8751ETJ+T IC CNTRLR CCFL INV 32-TQFN
MAX8752ETA+T IC DC-DC CONV TFT LCD 8-TDFN
相关代理商/技术参数
参数描述
MAX8740EUB+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX8741EAI 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8741EAI+ 功能描述:电流和电力监控器、调节器 500kHz Multi-Out Pwr Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8741EAI+T 功能描述:电流和电力监控器、调节器 500kHz Multi-Out Pwr Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
MAX8741EAI-T 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel