参数资料
型号: MAX8661ETL+
厂商: Maxim Integrated Products
文件页数: 14/44页
文件大小: 0K
描述: IC POWER MANAGE XSCALE 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
应用: 处理器
电源电压: 2.6 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 管件
High-Efficiency, Low-I Q , PMICs with Dynamic
Voltage Management for Mobile Applications
Typical Operating Characteristics (continued)
(Circuit of Figure 3, V IN = 3.6V, T A = +25°C, unless otherwise noted.)
REG3
REG3 OUTPUT VOLTAGE
90
EFFICIENCY vs. LOAD CURRENT
1.45
vs. INPUT VOLTAGE
REG3 LINE TRANSIENT
MAX8660 toc26
85
80
FORCED-PWM
NORMAL
1.44
1.43
1.42
I LOAD = 1000mA
V IN
3.6V
5.0V
1V/div
75
1.41
70
65
V IN = 4.2V
1.40
1.39
60
55
V IN = 3.6V
V3 = 1.4V
L3 = 1.2 μ H
(TOKO DE2812C)
1.38
1.37
1.36
V3
800mA LOAD, V3 = 1.4V
50mV/div
50
0.01
0.1
1 10 100
1000 10,000
1.35
2.5
3.0
3.5 4.0 4.5 5.0
5.5
6.0
40 μ s/div
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
1.44
REG3 LOAD REGULATION
1.50
REG3 OUTPUT VOLTAGE vs. TEMPERATURE
REG3 VOLTAGE CHANGE RESPONSE
MAX8660 toc29
1.43
1.42
V IN = 3.6 V
FORCED-PWM
NORMAL
1.48
1.46
1.44
V3
RISING
R RAMP
= 56k ?
0.725V
1.8V
R RAMP = 248k ?
500mV/div
1.41
1.42
1.40
1.39
1.40
1.38
V3
FALLING
1.8V
R RAMP = 248k ?
1.38
1.37
1.36
1.34
1.32
I LOAD = 1000mA
R RAMP
= 56k ?
ACTIVE RAMP-DOWN ENABLED
0.725V
500mV/div
1.36
1.30
0
200 400 600 800 1000 1200 1400 1600
-40
-15
10 35
60
85
100 μ s/div
LOAD CURRENT (mA)
TEMPERATURE ( ° C)
REG3 LOAD TRANSIENT
MAX8660 toc30
REG3 HEAVY-LOAD SWITCHING WAVEFORMS
MAX8660 toc31
REG3 LIGHT-LOAD SWITCHING WAVEFORMS
MAX8660 toc32
V3
900mA
50mV/div
V LX3
V3
2V/div
2mV/div
V LX3
V3
2V/div
20mV/div
I V3
10mA
500mA/div
I L3
1A/div
I L3
200mA/div
1500mA LOAD
0A
30mA LOAD
0A
14
20 μ s/div
400ns/div
2 μ s/div
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