参数资料
型号: MAX8715EUA+T
厂商: Maxim Integrated Products
文件页数: 5/14页
文件大小: 0K
描述: IC REG BOOST ADJ 0.8A 8UMAX
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.6 V ~ 12 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 640kHz, 1.22MHz
电流 - 输出: 1.8A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-uMAX
Low-Noise Step-Up DC-DC Converters
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 3.3V, f OSC = 640kHz, T A = +25°C, unless otherwise noted.)
95
MAX1790 EFFICIENCY
vs. OUTPUT CURRENT
95
MAX1790 EFFICIENCY
vs. OUTPUT CURRENT
95
MAX1790 EFFICIENCY
vs. OUTPUT CURRENT
90
f OSC = 640kHz
L = 5.4 μ H
90
90
85
80
85
80
f OSC = 640kHz
L = 10 μ H
85
80
f OSC = 640kHz
L = 10 μ H
75
70
f OSC = 1.2MHz
L = 2.7 μ H
75
70
f OSC = 1.2MHz
L = 5.4 μ H
75
70
f OSC = 1.2MHz
L = 5.4 μ H
65
60
65
60
65
60
55
50
V IN = 3.3V
V OUT = 5V
55
50
V IN = 3.3V
V OUT = 12V
55
50
V IN = 5V
V OUT = 12V
1
10
100
1000
1
10
100
1000
1
10
100
1000
0.7
OUTPUT CURRENT (mA)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
12.10
OUTPUT CURRENT (mA)
MAX1790 OUTPUT VOLTAGE
vs. OUTPUT CURRENT
95
OUTPUT CURRENT (mA)
MAX8715 EFFICIENCY
vs. OUTPUT CURRENT
0.6
0.5
f OSC = 640kHz
12.05
12.00
11.95
T A = +85 ° C
90
85
80
V OUT = 9V
f OSC = 1.2MHz
L = 6.8 μ H
0.4
0.3
f OSC = 1.2MHz
11.90
11.85
11.80
T A = +25 ° C
T A = -40 ° C
75
70
65
V IN = 5.0V
0.2
11.75
60
0.1
0
V OUT = 12V
11.70
11.65
11.60
f OSC = 640kHz
55
50
45
V IN = 3.3V
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
20 40 60 80 100 120 140 160 180 200
1
10
100
1000
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
_______________________________________________________________________________________
5
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