参数资料
型号: MAX15022ATI+T
厂商: Maxim Integrated
文件页数: 7/28页
文件大小: 0K
描述: IC REG QD BCK/LINEAR SYNC 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 降压(降压)同步(2),线性(LDO)(2)
功能: 任何功能
输出数: 4
频率 - 开关: 500kHz ~ 4MHz
电压/电流 - 输出 1: 0.6 V ~ 5.5 V,4A
电压/电流 - 输出 2: 0.6 V ~ 5.5 V,2A
电压/电流 - 输出 3: 控制器
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
Typical Operating Characteristics (continued)
(V AVIN = V DVDD1 = V DVDD2 = V PVIN1 = V PVIN2 = 5V, V OUT1 = 3.3V, V OUT2 = 1.5V, V PGND_ = 0V, R T = 16.5k ? . T A = +25°C, unless
otherwise noted.)
CHANNEL 1 LOAD STEP RESPONSE
MAX15022 toc15
EN2 = 0V
20 μ s/div
CHANNEL 2 LOAD STEP RESPONSE
MAX15022 toc17
EN1 = 0V
20 μ s/div
180 ° OUT-OF-PHASE OPERATION
MAX15022 toc19
V PVIN1
5V/div
0V
V OUT1
3.3V, AC-COUPLED
100mV/div
I OUT1
2A/div
0A
V PVIN2
5V/div
0V
V OUT2
1.5V, AC-COUPLED
100mV/div
I OUT2
1A/div
0A
14
CHANNEL 1 LOAD STEP RESPONSE
MAX15022 toc16
EN2 = 0V
20 μ s/div
CHANNEL 2 LOAD STEP RESPONSE
MAX15022 toc18
EN1 = 0V
20 μ s/div
CHANNEL 3 AND CHANNEL 4 OUTPUT-
VOLTAGE DEVIATION vs. LOAD CURRENT
V PVIN1
5V/div
0V
V OUT1
3.3V, AC-COUPLED
100mV/div
I OUT1
2A/div
0A
V PVIN2
5V/div
0V
V OUT2
1.5V, AC-COUPLED
100mV/div
I OUT2
1A/div
0A
PVIN1 = PVIN2
5V/div
0V
V LX1
5V/div
0V
12
10
8
CHANNEL 3, V IN = 3.3V,
V OUT3 = 2.5V
NJT403OP PNP
V LX2
5V/div
0V
6
4
CHANNEL 4, V IN = 2.5V,
IOUT1 = 3A
IOUT2 = 1.5A
200ns/div
2
0
0
V OUT4 = 1.5V
NJT403OP PNP
50 100 150 200 250 300 350 400 450 500
LOAD CURRENT (mA)
_______________________________________________________________________________________
7
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