参数资料
型号: MAX98502EWE+T
厂商: Maxim Integrated Products
文件页数: 14/15页
文件大小: 0K
描述: IC AMP AUD 2.2W BOOST D 16WLP
标准包装: 2,500
类型: D 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 4.1W x 1 @ 4 欧姆
电源电压: 2.5 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭
安装类型: *
供应商设备封装: *
封装/外壳: *
包装: *
8 ______________________________________________________________________________________
MAX98502
Boosted 2.2W Class D Amplifier
with Automatic Level Control
Typical Operating Characteristics (continued)
(VBAT = 3.6V, RL = ∞ between SPKP and SPKN, AV = +15.5dB, RKNEE = VBAT, 20Hz to 22kHz AC measurement bandwidth, unless
otherwise noted.)
Boost Converter
IN-BAND OUTPUT SPECTRUM
MAX98502
toc22
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
-100
-80
-60
-40
-20
0
-120
020
fIN = 1kHz
ZLOAD = 4I + 33H
EFFICIENCY vs. OUTPUT POWER
MAX98502
toc23
ILOAD (mA)
EFFICIENCY
(%)
1400
1200
1000
800
600
400
200
75
80
85
90
95
100
70
0
1600
VBAT = 5V
VBAT = 3V
VBAT = 3.3V
VBAT = 3.6V
VBAT = 4.2V
VBAT = 4V
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX98502
toc25
ILOAD (A)
OUTPUT
VOLTAGE
(V)
(%)
1400
1200
1000
800
600
400
200
5.51
5.52
5.53
5.54
5.55
5.56
5.50
0
1600
VBAT = 5V
VBAT = 3V
VBAT = 3.3V
VBAT = 3.6V
VBAT = 4.2V
LOAD REGULATION
MAX98502
toc24
ILOAD (A)
LOAD
REGULATION
(%)
1400
1200
1000
800
600
400
200
-0.8
-0.6
-0.4
-0.2
0
1.0
-1.0
0
1600
VBAT = 5V
VBAT = 3V
VBAT = 3.3V
VBAT = 3.6V
VBAT = 5V
VBAT = 4V
SWITCHING FREQUENCY
vs. BATTERY VOLTAGE
MAX98502
toc26
BATTERY VOLTAGE (V)
SWITCHING
FREQUENCY
(MHz)
5.0
4.5
4.0
3.5
3.0
1.98
2.00
2.02
2.04
IOUT = 500mA
IOUT = 100mA
1.96
2.5
5.5
SOFT-START
MAX98502 toc27
VCCOUT
2V/div
2ms/div
SDBST
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