参数资料
型号: MAX8884ZEREKE+T
厂商: Maxim Integrated
文件页数: 6/17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: 4MHz
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
6  _______________________________________________________________________________________
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.)
LDO POWER SUPPLY
RIPPLE REJECTION, V
OUT
 = 1.8V
FREQUENCY (kHz)
100
10
0.1    1
10
20
30
40
50
60
70
80
0
0.01
1000
I
LDO
 = 30mA
LDO OUTPUT VOLTAGE
NOISE WAVEFORM, V
OUT_
 = 1.8V
MAX8884Y/Z toc20
400 s/div
MAX8884Y/MAX8884Z
LDO1 = 1.8 AT 30mA
V
IN
 = 3.6V
50礦/div
V
N
 = 26.1礦
RMS
,
f = 100Hz to 100kHz, I
LDO_
 = 30mA
LDO2 DROPOUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
250
200
150
100
50
50
100
150
200
250
0
0
300
LDO POWER SUPPLY
RIPPLE REJECTION, V
OUT
 = 2.8V
FREQUENCY (kHz)
100
10
1
0.1
10
20
30
40
50
60
70
0
0.01
1000
I
LDO_
 = 30mA
LDO1, LDO2 INPUT SUPPLY CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
5
4
3
2
1
50
100
150
200
250
300
350
0
0
6
V
LDO1_EN
 = V
LDO2_EN
 = V
IN
,
V
BUCK_EN
 = 0
MAX8884Y STEP-DOWN CONVERTER
SHUTDOWN WAVEFORMS
MAX8884Y/Z toc15
10祍/div
I
LX
V
OUT
V
BUCK_EN
0V
1V/div
0V
5V/div
500mA/div
0A
I
LOAD
 = 500mA
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