参数资料
型号: MAX1745AUB+
厂商: Maxim Integrated Products
文件页数: 5/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 控制器
输出数: 1
频率 - 最大: 330kHz
占空比: 100%
电源电压: 4.5 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
High-Voltage, Step-Down DC-DC
Controllers in μMAX
Typical Operating Characteristics
(Circuit of Figure 1, T A = +25°C, unless otherwise specified.)
EFFICIENCY vs. LOAD CURRENT
(V OUT = +3.3V)
EFFICIENCY vs. LOAD CURRENT
(V OUT = +5.0V)
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (5.5V TO 36V)
100
80
A
B
100
80
A
B
110
105
60
C
D
60
C
D
100
95
40
40
90
20
0
A: V IN = +5.5V
B: V IN = +12.0V
C: V IN = +24.0V
D: V IN = +36.0V
20
0
A: V IN = +7.2V
B: V IN = +12.0V
C: V IN = +24.0V
D: V IN = +36.0V
85
80
0.0001
0.001
0.01
0.1
1
10
0.0001
0.001
0.01
0.1
1
10
0
10
20
30
40
6
5
4
LOAD CURRENT (A)
IN PIN QUIESCENT CURRENT
vs. INPUT VOLTAGE (3.5V TO 5.5V)
140
120
100
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
95
94
93
92
INPUT VOLTAGE (V)
IN PIN QUIESCENT CURRENT
vs. TEMPERATURE
3
80
60
91
90
89
2
40
88
1
0
V OUT = 3.3V
20
0
V OUT = 3.3V
I OUT = 2.0A
87
86
85
3.5
4.5
5.5
0
10
20
30
40
-50
-25
0
25
50
75
100
125
INPUT VOLTAGE (V)
EXT RISE AND FALL TIMES
vs. CAPACITANCE
INPUT VOLTAGE (V)
EXT RISE AND FALL TIMES
vs. TEMPERATURE
TEMPERATURE ( ° C)
CURRENT-SENSE TRIP LEVEL
vs. TEMPERATURE
120
100
V IN = +5V
50
45
40
V IN = +5V
C L = 1000pF
t RISE
115
110
80
35
30
105
60
40
20
t FALL
t RISE
25
20
15
10
t FALL
100
95
90
5
0
0
85
0
1000
2000
3000
4000
5000
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
CAPACITANCE (pF)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
5
相关PDF资料
PDF描述
SPD74-684M INDUCTOR SHIELDED 680.0UH SMD
SPD74-683M INDUCTOR SHIELDED 68.0UH SMD
UES1C471MHM CAP ALUM 470UF 16V 20% RADIAL
SPD74-682M INDUCTOR SHIELDED 6.80UH SMD
URZ1J331MHD CAP ALUM 330UF 63V 20% RADIAL
相关代理商/技术参数
参数描述
MAX1745AUB+ 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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
MAX1745AUB+T 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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
MAX1745AUB-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
MAX1745EUB 功能描述:DC/DC 开关控制器 Step-Down DC/DC Controller 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
MAX1745EUB 制造商:Maxim Integrated Products 功能描述:HI VOLT STEP DOWN DC-DC SMD 1745