参数资料
型号: MAX1831EEE+
厂商: Maxim Integrated Products
文件页数: 5/13页
文件大小: 0K
描述: IC REG BUCK SYNC 3A 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 降压(降压)
输出类型: 两者兼有
输出数: 1
输出电压: 1.5V,2.5V,3.3V,可调
输入电压: 3 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 16-QSOP
产品目录页面: 1410 (CN2011-ZH PDF)
3A, 1MHz, Low-Voltage, Step-Down Regulators with
Synchronous Rectification and Internal Switches
Typical Operating Characteristics (continued)
(Circuit of Figure 1, T A = +25 ° C, unless otherwise noted.)
NORMALIZED OUTPUT ERROR
SWITCHING FREQUENCY
0.10
vs. OUTPUT CURRENT
1200
vs. OUTPUT CURRENT
STARTUP AND SHUTDOWN
MAX1830 toc06
0.05
0
1000
V IN = 5.0V,
V OUT = 1.5V, L = 1.5 μ H
I IN
1A/div
800
-0.05
-0.10
-0.15
V IN = 5.0V
V OUT = 1.5V
L = 1.5 μ H
V IN = 3.3V
V OUT = 1.5V
L = 1.5 μ H
600
400
V IN = 3.3V,
V OUT = 1.5V, L = 1.5 μ H
V SHDN
5V/div
-0.20
200
V OUT
1V/div
-0.25
0.001
0.01 0.1
OUTPUT CURRENT (A)
1
10
0
0
0.5
1.0 1.5 2.0
OUTPUT CURRENT (A)
2.5
3.0
400 μ s/div
V IN = 3.3V, V OUT = 1.5V,
R OUT = 0.5 ? , R TOFF = 82k ? , L = 1.5 μ H
LOAD-TRANSIENT RESPONSE
MAX1830 toc07
V OUT
50mV/div
AC-COUPLE
LINE-TRANSIENT RESPONSE
MAX1830 toc08
V IN
2V/div
V OUT
0
10 μ s/div
V IN = 3.3V, V OUT = 1.5V,
R TOFF = 82k ? , L = 1.5 μ H, I OUT = 0.1A TO 3A
I OUT
2A/div
20 μ s/div
V OUT = 1.8V, I OUT = 1A,
R TOFF = 75k ? , L = 1.5 μ H
50mV/div
AC-COUPLED
_______________________________________________________________________________________
5
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