参数资料
型号: MAX8784ETL+T
厂商: Maxim Integrated Products
文件页数: 9/24页
文件大小: 0K
描述: IC REG STP UP W/AMP 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: LCD 电视机/监控器
电源电压: 4 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
Step-Up Regulator, Internal Charge Pumps, Switch
Control, and Operational Amplifier for TFT LCDs
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V CC = 5V, AVDD = 14V, V POUT = 28V, VGOFF = -9V, T A = +25°C, unless otherwise noted.)
HIGH-VOLTAGE SWITCH
CONTROL FUNCTION
MAX8784 toc16
6
OPERATIONAL AMPLIFIER
FREQUENCY RESPONSE
C GON = 1.5nF
R DRN = 1k ? TO AVDD
3
CTL
GON
0
-3
-6
C LOAD = 56pF
C LOAD = 15pF
10 μ s/div
-9
0.1
1
C LOAD = 33pF
10
100
CTL: 5V/div
GON: 10V/div
FREQUENCY ( MHz)
OPERATIONAL AMPLIFIER
RAIL-TO-RAIL OPERATION
MAX8784 toc18
OUT1
OPERATIONAL AMPLIFIER
LOAD-TRANSIENT RESPONSE
MAX8784 toc19
V OUT1
2 μ s/div
POS1
2 μ s/div
I LOAD
POS1: 5V/div
OUT1: 5V/div
V OUT1 : 200mV/div
I LOAD : 100mA/div
OPERATIONAL AMPLIFIER
LARGE-SIGNAL RESPONSE
MAX8784 toc20
POS1
OPERATIONAL AMPLIFIER
SMALL-SIGNAL STEP RESPONSE
MAX8784 toc21
OUT1
OUT1
POS1
100ns/div
200ns/div
POS1: 50mV/div (AC-COUPLED)
OUT1: 5V/div
POS1: 5V/div
OUT1: 50mV/div (AC-COUPLED)
_______________________________________________________________________________________
9
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