参数资料
型号: MAX1997ETJ+T
厂商: Maxim Integrated Products
文件页数: 8/31页
文件大小: 0K
描述: IC PWR SUPPLY TFT LCD 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,TFT LCD
输入电压: 2.7 V ~ 5.5 V
输出数: 5
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: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
Quintuple/Triple-Output TFT LCD Power Supplies
with Fault Protection and VCOM Buffer
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3.3V, V MAIN = 9V, V G_ON = 20V, V G_OFF = -7V, V LOGIC = 2.5V, V GAMMA = 8.6V, T A = +25 ° C,
unless otherwise noted.)
STEP-UP REGULATOR LOAD TRANSIENT RESPONSE
STEP-UP REGULATOR LOAD TRANSIENT RESPONSE
STEP-UP REGULATOR LOAD TRANSIENT RESPONSE
(WITH LAG COMPENSATION, FIGURE 9)
MAX1997 toc08
(2 μ s PULSES)
(WITHOUT LAG COMPENSATION, FIGURE 1)
MAX1997 toc09
(2 μ s PULSES)
(WITH LAG COMPENSATION, FIGURE 9)
MAX1997 toc10
A
200mA
A
1A
A
1A
0
9V
50mA
50mA
B
8.9V
B
9V
B
9V
8.9V
8.9V
1A
2A
2A
C
10 μ s/div
0.5A
0
C
4 μ s/div
1A
0
C
10 μ s/div
1A
0
A: I MAIN = 0 TO 200mA, 200mA/div
B: V MAIN = 9V, 50mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 500mA/div
R7 = 76.8k ? , R8 = 12.1k ? , R10 = 1.5k ? , C10 = 470pF
A: I MAIN = 50mA TO 1A, 1A/div
B: V MAIN = 9V, 100mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 1A/div
A: I MAIN = 50mA TO 1A, 1A/div
B: V MAIN = 9V, 100mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 1A/div
R7 = 76.8k ? , R8 = 12.1k ? , R10 = 1.5k ? , C10 = 470pF
A
STEP-UP REGULATOR SOFT-START
MAX1997 toc11
5V
0
A
POWER-UP SEQUENCE
MAX1997 toc12
10V
0
A
POWER-UP SEQUENCE
MAX1997 toc13
10V
0
5V
10V
10V
B
0
B
0
B
0
5V
20V
20V
C
0
C
10V
C
10V
10V
0
0
D
A: V SHDN , 5V/div
B: V GATE , 5V/div
C: V DRAIN , 5V/div
D: V MAIN , 5V/div
1ms/div
5V
0
D
4ms/div
A: V MAIN , 10V/div
B: V SOURCE , 10V/div
C: V GATE_ON , 10V/div
D: V GATE_OFF , 10V/div
V ONN < V ONP < V ON2
0
-10V
D
4ms/div
A: V MAIN , 10V/div
B: V SOURCE , 10V/div
C: V GATE_ON , 10V/div
D: V GATE_OFF , 10V/div
V ONN > V ONP > V ON2
0
-10V
8
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MAX1997EVKIT 制造商:Maxim Integrated Products 功能描述:QUINTUPLE/TRIPLE OUTPUT TFT LCD POWER SUPPLIE - Bulk
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MAX19985AETX+T 功能描述:上下转换器 High-Gain 700MHz to 1GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
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