参数资料
型号: MAX8884YEREKE+T
厂商: Maxim Integrated
文件页数: 7/17页
文件大小: 579K
描述: IC REG TRPL BCK/LINEAR 16UCSP
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(1),线性(LDO)(2)
功能: 任何功能
输出数: 3
频率 - 开关: 2MHz
电压/电流 - 输出 1: 1.2 V/1.8 V,700mA
电压/电流 - 输出 2: 1.2 V/1.8 V,300mA
电压/电流 - 输出 3: 1.2 V/1.8 V,300mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFBGA,CSPBGA
供应商设备封装: 16-UCSP(4x4)
包装: 带卷 (TR)
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
_______________________________________________________________________________________ 7
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V
IN
= V
IN1A
= V
IN1B
= V
IN2
= 3.6V, V
BUCK
= 1.2V, V
LDO1
= 1.8V, V
LDO2
= 2.8V, MAX8884YEVKIT, T
A
= +25癈, unless otherwise noted.)
LDO1, LDO2 LOAD TRANSIENT RESPONSE
MAX8884Y/Z toc24
20祍/div
I
LDO1
V
LDO2
I
LDO2
V
LDO1
AC-COUPLED
10mV/div
AC-COUPLED
10mV/div
50mA/div
50mA/div
1mA
1mA
1mA
1mA
40mA
40mA
LDO1, LDO2 LINE TRANSIENT
MAX8884Y/Z toc23
10祍/div
V
LDO1
V
IN
V
LDO2
AC-COUPLED
5mV/div
AC-COUPLED
5mV/div
1V/div
I
LDO1
 = I
LDO2
 = 100mA
4V
4V
3.5V
LDO OUTPUT-NOISE SPECTRAL DENSITY
vs. FREQUENCY, V
LDO_
 = 2.8V
FREQUENCY (kHz)
100
10
1
0.1
100
1000
10,000
10
0.01
1000
I
LDO_
 = 30mA
LDO OUTPUT-NOISE SPECTRAL DENSITY
vs. FREQUENCY, V
LDO_
 = 1.8V
FREQUENCY (kHz)
100
10
1
0.1
100
1000
10,000
10
0.01
1000
I
LDO_
 = 30mA
LDO1, LDO2 STARTUP
AND SHUTDOWN RESPONSE
MAX8884Y/Z toc26
400祍/div
V
LDO1
V
LDO1_EN
 =
V
LDO2_EN
V
LDO2
2V/div
0V
2V/div
0V
2V/div
0V
LDO1, LDO2 LOAD TRANSIENT
RESPONSE NEAR DROPOUT
MAX8884Y/Z toc25
20祍/div
I
LDO1
V
LDO2
I
LDO2
V
LDO1
AC-COUPLED
10mV/div
AC-COUPLED
10mV/div
50mA/div
50mA/div
1mA
1mA
40mA
1mA
1mA
40mA
V
IN2
 = V
LDO2
 + 200mV
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