2.76
2.78
2.77
2.80
2.79
2.81
2.82
0
100
50
150
250
200
LDO OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
0
0.06
0.04
0.02
0.08
0.10
0.12
0.14
0.16
0.18
0.20
0
50
100    150    200
LDO DROPOUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
V
OUT2
 = 2.7V
4祍/div
LDO LOAD TRANSIENT RESPONSE
50mA/div
MAX8896 toc29
V
LDO
I
LDO
20mV/div
(AC-COUPLED)
80mA
10mA
RFEN1
OUT2
V
LDO
200mA LOAD ON LDO
LDO STARTUP WAVEFORM
MAX8896 toc30
2V/div
2V/div
2V/div
4    iv
LDO OUTPUT NOISE
(OUT1, OUT2, AND LDO ENABLED)
MAX8896 toc31
LDO
30mA LOAD
10礦/div
LDO OUTPUT-NOISE SPECTRAL
DENSITY vs. FREQUENCY
(OUT1, OUT2, AND LDO ENABLED)o
FREQUENCY (kHz)
1,000
100
10
1
0.1
10E+0
100E+0
1E+3
10E+3
1E+0
0.01
10,000
Typical Operating Characteristics (continued)
(V
CC
= V
IN1
= V
IN2
= 3.6V, V
REFIN
= 0.72V, circuit of Figure 3, T
A
= +25癈, unless otherwise noted.)
Dual PWM Step-Down Converter in a 2mm x
2mm Package for WCDMA PA and RF Power
_______________________________________________________________________________________ 9
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相关代理商/技术参数
MAX8896EREE-T 制造商:Maxim Integrated Products 功能描述:
MAX8896EVKIT+ 功能描述:直流/直流开关转换器 Dual PWM Step-Down Converter in a 2mm x 2mm Package for WCDMA PA and RF Power RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX8899EVKIT+ 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR MAX8899 - Boxed Product (Development Kits)
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