参数资料
型号: MAX651ESA+
厂商: Maxim Integrated Products
文件页数: 4/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
PWM 型: 控制器
输出数: 1
频率 - 最大: 300kHz
占空比: 90%
电源电压: 4 V ~ 16.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
5V/3.3V/3V or Adjustable, High-Efficiency,
Low I Q , Step-Down DC-DC Controllers
__________________________________________Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
SHUTDOWN CURRENT
MAX649 MAXIMUM LOAD CURRENT
80
SUPPLY CURRENT vs. TEMPERATURE
4.0
vs. TEMPERATURE
2500
vs. SUPPLY VOLTAGE
78
V+ = 16.5V
3.5
76
3.0
V+ = 16.5V
2000
74
72
V+ = 10V
2.5
2.0
1.5
1500
1000
70
68
V+ = 4V
1.0
0.5
V+ = 8V
500
V OUT = 5V
CIRCUIT OF FIGURE 1
V+ = 4V
66
-60 -40 -20 0
20 40 60 80 100 120 140
0
-60 -40 -20 0
20 40 60 80 100 120 140
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 1415
100
90
TEMPERATURE (°C)
MAX649
EFFICIENCY vs. LOAD CURRENT
100
90
TEMPERATURE (°C)
MAX651
EFFICIENCY vs. LOAD CURRENT
100
90
INPUT VOLTAGE (V)
MAX652
EFFICIENCY vs. LOAD CURRENT
80
70
60
50
40
30
TOP TO BOTTOM:
V IN = 6V
V IN = 8V
V IN = 10V
V IN = 12V
V IN = 15V
80
70
60
50
40
30
TOP TO BOTTOM:
V IN = 4.3V
V IN = 5V
V IN = 8V
V IN = 10V
V IN = 12V
V IN = 15V
80
70
60
50
40
30
TOP TO BOTTOM:
V IN = 4.3V
V IN = 5V
V IN = 8V
V IN = 10V
V IN = 12V
V IN = 15V
20
20
20
10
V OUT = 5V
10
V OUT = 3.3V
10
V OUT = 3V
0
100 μ
1m
10m
100m
1
0
100 μ
1m
10m
100m
1
0
100 μ
1m
10m
100m
1
LOAD CURRENT (A)
SWITCH ON-TIME
vs. TEMPERATURE
LOAD CURRENT (A )
SWITCH OFF-TIME
vs. TEMPERATURE
LOAD CURRENT (A)
SWITCH ON-TIME/OFF-TIME RATIO
vs. TEMPERATURE
17
V+ = 5V
2.5
V+ = 5V
8.0
7.8
V+ = 5V
7.6
7.4
7.2
16
15
2.0
1.5
7.0
6.8
6.6
6.4
6.2
6.0
-60 -40 -20
0
20
40
60
80 100 120
-60 -40 -20 0 20 40
60
80 100 120
-60 -40 -20 0
20 40 60 80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
4
_______________________________________________________________________________________
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MAX651ESA+ 功能描述:DC/DC 开关控制器 5V/3.3V/3V or Adj Low-IQ Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX651ESA+T 功能描述:DC/DC 开关控制器 5V/3.3V/3V or Adj Low-IQ Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX651ESA-T 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX651MJA 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX651MJA+ 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK