参数资料
型号: MAX1515ETG+
厂商: Maxim Integrated Products
文件页数: 7/24页
文件大小: 0K
描述: IC REG DDR LV 24-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
应用: 转换器,DDR
输入电压: 1.3 V ~ 3.6 V
输出数: 2
输出电压: 0.5 V ~ 2.7 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 管件
Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
Typical Operating Characteristics
(MAX1515 Circuit of Figure 1, V IN = 2.5V, V DD = V CC = SHDN = MODE = 3.3V, T A = +25°C, unless otherwise noted.)
1.25V OUTPUT EFFICIENCY
vs. LOAD CURRENT
1.25V OUTPUT EFFICIENCY
vs. LOAD CURRENT
1.25V OUTPUT VOLTAGE
vs. LOAD CURRENT
100
90
SOURCE, SKIP
100
90
1.258
80
70
60
SINK, SKIP
80
70
60
SOURCE, SKIP
SINK, SKIP
1.254
SINK, PWM
SOURCE, PWM
50
40
30
20
SOURCE,
PWM
SINK, PWM
V IN = 2.5V
50
40
30
20
SOURCE,
PWM
SINK, PWM
V IN = 2.5V
1.250
1.246
SINK, SKIP
V IN = 2.5V
SOURCE, SKIP
10
0
V OUT = 1.25V
R TOFF = 110k Ω
10
0
V OUT = 1.25V
R TOFF = 220k Ω
1.242
V OUT = 1.25V
R TOFF = 110k Ω
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
-3
-2
-1
0
1
2
3
4
LOAD CURRENT (A)
0.9V OUTPUT EFFICIENCY
vs. LOAD CURRENT
LOAD CURRENT (A)
LOAD CURRENT (A)
0.9V OUTPUT EFFICIENCY
vs. LOAD CURRENT
100
90
80
SOURCE, SKIP
100
90
80
70
60
50
40
30
20
10
0
SINK, SKIP
SOURCE,
PWM
SINK, PWM
V IN = 1.8V
V OUT = 0.9V
R TOFF = 110k Ω
70
60
50
40
30
20
10
0
SOURCE, SKIP
SINK, SKIP
SOURCE,
PWM
SINK, PWM
V IN = 1.8V
V OUT = 0.9V
R TOFF = 220k Ω
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
0.908
LOAD CURRENT (A)
0.9V OUTPUT VOLTAGE
vs. LOAD CURRENT
600
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. LOAD CURRENT
PWM MODE
500
0.904
0.900
SINK, PWM
SINK, SKIP
SOURCE, PWM
400
300
0.896
V IN = 1.8V
V OUT = 0.9V
R TOFF = 110k Ω
SOURCE, SKIP
200
100
V IN = 2.5V
V OUT = 1.25V
SKIP MODE
0.892
0
-3
-2
-1
0
1
2
3
4
-3
-2
-1
0
1
2
3
4
LOAD CURRENT (A)
LOAD CURRENT (A)
_______________________________________________________________________________________
7
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