参数资料
型号: MAX8805WEWEAA+T
厂商: Maxim Integrated Products
文件页数: 10/24页
文件大小: 0K
描述: IC PWM STEP-DN CONV 650MA 16-WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 转换器,WCDMA PA 电源
输入电压: 2.7 V ~ 5.5 V
输出数: 1
输出电压: 0.4 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-UFBGA,WLCSP
供应商设备封装: 16-WLP(2x2)
包装: 带卷 (TR)
600mA/650mA PWM Step-Down Converters in
2mm x 2mm WLP for WCDMA PA Power
Typical Operating Characteristics (continued)
(V IN1A = V IN1B = V IN2 = 3.6V, V PA_ = 1.2V, V LDO1 = 2.85V, V LDO2 = 2.85V, R PA = 7.5 ? , circuit of Figure 5, T A = +25°C, unless oth-
erwise noted.)
PA STEP-DOWN CONVERTER AUTOMATIC
BYPASS-FET TRANSIENT RESPONSE
(MAX8805W/MAX8805X)
MAX8805W/X/Y/Z toc34
1.44V
PA STEP-DOWN CONVERTER
AUTOMATIC BYPASS-FET TRANSIENT
RESPONSE (MAX8805W/MAX8805X)
MAX8805W/X/Y/Z toc35
V REFIN
0.48V
0.48V
1V/div
V REFIN
3.6V
1V/div
3.6V
V PA_
1.2V
1.2V
2V/div
V PA_
V REFIN IS A 0.48V TO
1V/div
2.1V SINSOIDAL
SIGNAL
I LX
10 μ s/div
PA STEP-DOWN CONVERTER SHUTDOWN
RESPONSE (MAX8805W/MAX8805Y)
MAX8805W/X/Y/Z toc36
2V
500mA/div
I LX
200 μ s/div
PA STEP-DOWN CONVERTER SHUTDOWN
RESPONSE (MAX8805X/MAX8805Z)
MAX8805W/X/Y/Z toc37
2V
500mA/div
V PA_EN
0V
2V/div
V PA_EN
0V
2V/div
V PA_
1.2V
1V/div
V PA_
1.2V
2V/div
I LX
200
150
10 μ s/div
LDO1, LDO2 SUPPLY CURRENT
vs. SUPPLY VOLTAGE
100mA/div
I LX
150
120
10 μ s/div
LDO1, LDO2 DROPOUT VOLTAGE
vs. LOAD CURRENT
100mA/div
90
100
60
50
0
30
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
50
100
150
200
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
10
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