参数资料
型号: MAX17100ETM+T
厂商: Maxim Integrated Products
文件页数: 12/35页
文件大小: 0K
描述: IC REG BOOST INT-SWITCH 48-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: 2.5 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(6x6)
包装: 带卷 (TR)
Internal-Switch Boost Regulator with Integrated Scan
Driver, VCOM Calibrator, and Op Amp for TFT LCDs
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V S = 5V, V MAIN = 14V, V GHON = 25V, V GOFF = -10V, T A = +25°C, unless otherwise noted.)
STEP-UP REGULATOR SOFT-START
(HEAVY LOAD)
MAX17100 toc09
STEP-UP REGULATOR PULSED
LOAD-TRANSIENT RESPONSE
MAX17100 toc10
LOAD CURRENT
V S
5V/div
0V
V GATE
5V/div
0V
V LX
0V
V MAIN
10V/div
1A/div
50mA
V MAIN
(AC-COUPLED)
200mV/div
0
INDUCTOR
CURRENT
2A/div
R L ON V MAIN = 47?
2ms/div
STEP-UP REGULATOR LOAD-TRANSIENT
0V
10 μ s/div
0A
L1 = 3.0 μ H
R COMP = 180k ?
C COMP = 220pF
RESPONSE (50mA TO 500mA)
MAX17100 toc11
LOAD CURRENT
POWER-UP SEQUENCE
MAX17100 toc12
V S
500mA/div
50mA
V MAIN
(AC-COUPLED)
200mV/div
0V
0V
0V
V MAIN
V LX
L1 = 3.0 μ H
R COMP = 180k ?
C COMP = 220pF
0
INDUCTOR
0V
I L1
V GHON
100 μ s/div
CURRENT
2A/div
0A
0V
0V
R L ON V MAIN = 47?
4ms/div
V S : 5V/div I L1 : 1A/div
V GOFF
V MAIN : 10V/div V GHON : 20V/div
V LX : 10V/div V GOFF : 20V/div
2
0
OPERATION AMPLIFIER FREQUENCY
RESPONSE
OPERATIONAL AMPLIFIER
LARGE-SIGNAL STEP RESPONSE
MAX17100 toc14
V SUP = 10V
V POSx
OPERATIONAL AMPLIFIER
SMALL-SIGNAL STEP RESPONSE
MAX17100 toc15
V POSx
100mV/div
(AC-COUPLED)
0V
-2
NO LOAD
5V/div
-4
0V
V OUTx
-6
-8
100pF LOAD
V OUTx
5V/div
0V
100mV/div
(AC-COUPLED)
0V
-10
100
1k
10k
100k
1 μ s/div
200ns/div
FREQUENCY (Hz)
12
______________________________________________________________________________________
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