参数资料
型号: MAX8798ETX+
厂商: Maxim Integrated Products
文件页数: 10/31页
文件大小: 0K
描述: IC INTERNAL-SW BOOST REG 36-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: LCD 监视器,笔记本电脑显示器
电流 - 电源: 400µA
电源电压: 1.8 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 管件
Internal-Switch Boost Regulator with
Integrated 3-Channel Scan Driver for TFT LCDs
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V IN = 3V, T A = +25°C, unless otherwise noted.)
STEP-UP REGULATOR PULSED LOAD
TRANSIENT RESPONSE (20mA TO 1A)
MAX17088 toc08
TIMER-DELAY LATCH
RESPONSE TO OVERLOAD
MAX17088 toc09
L = 3.6 μ H
R COMP = 100k Ω
C COMP1 = 220pF
POWER-UP SEQUENCE
OF ALL SUPPLY OUTPUTS
10 μ s/div
V LX
10V/div
0V
I L
1A/div
0A
0mV
V MAIN
AC-COUPLED
200mV/div
I MAIN
1A/div
0A
BOOST SUPPLY CURRENT
vs. BOOST SUPPLY VOLTAGE
10ms/div
V LX
10V/div
0V
V MAIN
5V/div
0V
I L
2A/div
0A
LOAD CURRENT
1A/div
0A
BOOST SUPPLY CURRENT
vs. TEMPERATURE
0V
0V
0V
0V
0V
SHDN
CONTROL
0V
MAX17088 toc10
V L
5V/div
V MAIN
5V/div
V GON
20V/div
V COM
5V/div
V IN
5V/div
V GOFF
20V/div
SHDN
5V/div
3.0
2.5
2.0
1.5
1.0
0.5
0
V IN = 3.3V
V IN = 5V
NO LOAD ON V MAIN
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V BOOST = 15V
V BOOST = 8V
2ms/div
3
6
9
12
15
-40
-15
10
35
60
85
OUTPUT VOLTAGE (V)
TEMPERATURE ( ° C)
10
OPERATIONAL AMPLIFIER
FREQUENCY RESPONSE
0
OPERATIONAL AMPLIFIER PSRR
vs. FREQUENCY
OPERATIONAL AMPLIFIER RAIL-TO-RAIL
INPUT/OUTPUT WAVEFORMS
MAX17088 toc15
5
0
-5
100pF LOAD
NO LOAD
33pF LOAD
-5
-10
-15
-20
V POS
5V/div
0V
-10
-15
-25
-30
-20
-25
-35
-40
-45
V VCOM
5V/div
0V
100
1k
10k
100k
100
1k
10k
100k
10 μ s/div
FREQUENCY (Hz)
FREQUENCY (Hz)
10
______________________________________________________________________________________
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