参数资料
型号: MAX1820XEUB+
厂商: Maxim Integrated Products
文件页数: 7/18页
文件大小: 0K
描述: IC REG BUCK WCDMA 10-MSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: 转换器,WCDMA 功率放大器应用
输入电压: 2.6 V ~ 5.5 V
输出数: 1
输出电压: 0.4 V ~ 3.4 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 管件
WCDMA Cellular Phone 600mA
Buck Regulators
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
LIGHT-LOAD SKIP-SWITCHING WAVEFORMS
A
(V IN = 4.2V, V OUT = 1.5V,
LOAD = 30mA, SKIP = GND)
MAX1820/21 toc13
V SHDN
5V/div
EXITING AND ENTERING SHUTDOWN
(V IN = 3.6V, V OUT = 3.4V, R LOAD = 15 ? )
MAX1820/21 toc14
B
V OUT
2V/div
C
I BATT
0.5A/div
2 μ s/div
A: V LX , 5V/div
B: INDUCTOR CURRENT, 500mA/div
C: V OUT (AC-COUPLED), 20mV/div
LOAD TRANSIENT (I LOAD = 20mA TO 420mA,
V OUT = 1.5V, V IN = 3.6V, SKIP = BATT)
MAX1820/21 toc15
I OUT
200mA/div
V OUT
AC-COUPLED
100mV/div
C OUT = 10 μ F
40 μ s/div
MAX1820
REF TRANSIENT (V REF = 0.23V TO 1.932V,
R LOAD = 10 ? , V IN = 3.6V, SKIP = BATT)
MAX1820/21 toc17
V REF
1V/div
2ms/div
LOAD TRANSIENT (I LOAD = 20mA TO 420mA,
V OUT = 1.5V, V IN = 3.6V, SKIP = GND)
MAX1820/21 toc16
I OUT
200mA/div
V OUT
AC-COUPLED
100mV/div
C OUT = 10 μ F
40 μ s/div
LINE TRANSIENT (V IN = 3.6V TO 4.0V,
V OUT = 1.5V, I LOAD = 300mA)
MAX1820/21 toc18
V IN
200mV/div
V OUT
V OUT
1V/div
20 μ s/div
AC-COUPLED
20mV/div
40 μ s/div
C OUT = 10 μ F
_______________________________________________________________________________________
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