参数资料
型号: MAX8620YETD+T
厂商: Maxim Integrated Products
文件页数: 4/18页
文件大小: 0K
描述: IC UPMIC FOR MPU 14-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 微型电源管理集成电路(UPMIC),DSP
输入电压: 2.7 V ~ 5.5 V
输出数: 3
输出电压: 0.6 V ~ 3.3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 带卷 (TR)
μPMIC for Microprocessors or DSPs
in Portable Equipment
Typical Operating Characteristics
(V IN1 = V IN2 = 3.7V, PWR_ON = IN1, L = 2.2μH (LQH31CN2R2M53), C FF = 150pF, V OUT1 = V OUT2 = 2.6V, V OUT3 = 1.867V (R1 =
150k ? , R2 = 75k ? ), C IN = 10μF, C BP = 0.01μF, C OUT1 = C OUT2 = 4.7μF, C OUT3 = 2.2μF, RESET pulled up with 100k ? to OUT1,
T A = +25°C, unless otherwise noted.)
INPUT QUIESCENT CURRENT
100
EFFICIENCY vs. LOAD CURRENT
180
vs. INPUT VOLTAGE
90
80
70
60
50
40
30
20
10
0
L = 4.7 μ H
L = 2.2 μ H
L = 1.0 μ H
160
140
120
100
80
60
40
20
0
0.1
1
10
100
1000
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
LOAD CURRENT (mA)
SWITCHING FREQUENCY vs. LOAD CURRENT
10
100
INPUT VOLTAGE (V)
EFFICIENCY vs. OUTPUT VOLTAGE
L = 1.0 μ H
95
90
85
L = 4.7 μ H
1
L = 4.7 μ H
L = 2.2 μ H
80
75
L = 2.2 μ H
L = 1.0 μ H
70
65
0.1
60
0
50 100 150 200 250 300 350 400 450 500
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
V LX
LOAD CURRENT (mA)
LIGHT-LOAD SWITCHING WAVEFORMS
MAX8620Y toc05
2V/div
V LX
OUTPUT VOLTAGE (V)
HEAVY-LOAD SWITCHING WAVEFORMS
MAX8620Y toc06
2V/div
V OUT
AC-COUPLED
20mV/div
V OUT
AC-COUPLED
I L
20mV/div
200mA/div
I L
100mA/div
200ns/div
200ns/div
4
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