1.2A PWM Step-Down Converter in
2mm x 2mm WLP/UCSP for PA Power
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(V
IN1A
= V
IN1B
= V
IN2
= 3.6V, V
PA
= 3.4V, V
LDO2
= 2.85V, R
PA
= 7.5&, circuit of MAX8805WEVKIT, T
A
= +25癈, unless otherwise
noted.)
20祍/div
PA STEP-DOWN CONVERTER
SOFT-START WAVEFORMS
V
PA_EN
V
PA
500mA/div
2V/div
2V/div
MAX8836Z toc08
I
LX
200祍/div
PA STEP-DOWN CONVERTER
LINE-TRANSIENT RESPONSE
V
IN1_
V
PA
200mA/div
4.2V
3.6V
MAX8836Z toc09
V
LX
200mV/div
AC-COUPLED
R
PA
 = 7.5&
10祍/div
PA STEP-DOWN CONVERTER
LOAD-TRANSIENT RESPONSE
V
PA
I
PA
200mV/div
AC-COUPLED
500mA/div
MAX8836Z toc10
V
IN
200mV/div
AC-COUPLED
10祍/div
PA STEP-DOWN CONVERTER
SHUTDOWN RESPONSE
V
PA
V
PA_EN
500mA/div
2V/div
MAX8836Z toc11
I
LX
2V/div
R
L
 = 7.5&
0
40
20
80
60
120
100
140
2.0
3.0  3.5
2.5
4.0  4.5  5.0  5.5
LDO2 SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
V
IN1A
 = V
IN1B
 = 0V,
EN2 = IN2,
PA_EN = PGND,
I
LDO2
 = 0A
0
30
90
60
120
150
LDO2 DROPOUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
0
100
50
150    200
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相关代理商/技术参数
MAX8836ZEWEEE+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX8836ZEWEEE+T 制造商:Maxim Integrated Products 功能描述:
MAX883C/D 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX883CPA 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883CPA+ 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883CSA 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
MAX883CSA+ 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20