参数资料
型号: MAX8661ETL+
厂商: Maxim Integrated Products
文件页数: 12/44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.)
I LOAD = 10mA
100
95
90
REG1 EFFICIENCY vs. LOAD CURRENT
FORCED-PWM
NORMAL
REG1 OUTPUT VOLTAGE vs. INPUT VOLTAGE
3.6
DROPOUT
3.4
V IN
REG1 LINE TRANSIENT
5.0V
3.6V
MAX8660 toc08
1V/div
85
3.2
80
3.0
I LOAD = 1000mA
75
70
V IN = 4.2V
2.8
65
60
55
V IN = 3.6V
V1 = 3.3V
L1 = 1.2 μ H
(TOKO DE2812C)
2.6
2.4
3.3V OUTPUT
V1
600mA LOAD,
V1 = 3.3V
100mV/div
50
0.01
0.1
1
10
100
1000 10,000
2.2
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)
REG1 LOAD REGULATION
REG1 OUTPUT VOLTAGE vs. TEMPERATURE
REG1 DROPOUT VOLTAGE vs. LOAD CURRENT
3.40
3.38
3.36
3.34
3.32
3.30
V IN = 3.8 V
-1.5%/A
3.40
3.38
3.36
3.34
3.32
3.30
300
250
200
150
THE NOMINAL ESR OF TOKO'S 1.2 μ H
DE2812C INDUCTOR IS 44m ? . THE NOMINAL
p-CHANNEL RESISTANCE OF THE REG1 IS
120m ? . THE SLOPE OF THIS LINE SHOWS THAT
THE TOTAL REG1 DROPOUT RESISTANCE OF AN
AVERAGE PART, BOARD, INDUCTOR
COMBINATION IS 172m ? .
3.28
3.28
3.26
3.26
100
3.24
3.22
3.20
FORCED-PWM
NORMAL
3.24
3.22
3.20
600mA LOAD
50
0
0
200
400 600 800
1000
1200
-40
-15
10 35
60
85
0
200
400 600 800
1000
1200
LOAD CURRENT (mA)
TEMPERATURE ( ° C)
LOAD CURRENT (mA)
REG1 LOAD TRANSIENT
MAX8660 toc12
REG 1 HEAVY-LOAD SWITCHING WAVEFORMS
MAX8660 toc13
REG1 LIGHT-LOAD SWITCHING WAVEFORMS
MAX8660 toc14
V1 = 3.3V
V1
3.8V INPUT
100mV/div
V LX1
2V/div
V LX1
2V/div
V1
2mV/div
V1
20mV/div
800mA
I V1
10mA
500mA/div
I L1
4.2V INPUT
1A LOAD
1A/div
0A
I L1
3.8V INPUT, 20mA LOAD
200mA/div
0A
12
40 μ s/div
400ns/div
2 μ s/div
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