参数资料
型号: MAX5067ETH+T
厂商: Maxim Integrated Products
文件页数: 5/32页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 44-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 90%
电源电压: 4.75 V ~ 28 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: 44-WFQFN 裸露焊盘
包装: 带卷 (TR)
Dual-Phase, +0.6V to +3.3V Output Parallelable,
Average-Current-Mode Controllers
Typical Operating Characteristics
(Circuit of Figure 1. T A = +25 ° C, unless otherwise noted.)
100
EFFICIENCY vs. OUTPUT CURRENT AND
INTERNAL OSCILLATOR FREQUENCY
100
90
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
100
90
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
90
f = 500kHz
80
V IN = +12V
80
80
f = 250kHz
70
60
V IN = +5V
70
60
V IN = +12V
V IN = +5V
70
60
50
40
30
50
40
30
50
40
V IN = +5V
V OUT = +1.8V
20
10
0
V OUT = +1.8V
f SW = 250kHz
20
10
0
V OUT = 1V
f SW = 250kHz
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
EFFICIENCY vs. OUTPUT CURRENT
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
80
70
80
70
V OUT = +1.5V
V OUT = +1.8V
80
70
V OUT = +1.5V
V OUT = +1.8V
60
60
60
50
40
30
20
V IN = +24V
50
40
30
20
V OUT = +1V
50
40
30
20
V OUT = +1V
10
0
V OUT = +1.8V
f SW = 125kHz
10
0
V IN = +12V
f SW = 250kHz
10
0
V IN = +12V
f SW = 500kHz
12.0
11.5
0 4 8 12 16 20 24 28 32 36 40 44 48 52
I OUT (A)
SUPPLY CURRENT
vs. FREQUENCY AND INPUT VOLTAGE
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
100
90
0 4 8 12 16 20 24 28 32 36 40 44 48 52
OUTPUT CURRENT (A)
SUPPLY CURRENT
vs. LOAD CAPACITANCE PER DRIVER
11.0
10.5
10.0
9.5
9.0
8.5
V IN = +24V
V IN = +12V
80
70
60
50
40
250kHz
125kHz
80
70
60
50
40
8.0
7.5
7.0
6.5
6.0
V IN = +5V
EXTERNALCLOCK
NO DRIVER LOAD
30
20
10
0
V IN = +12V
C DL_ = 22nF
C DH_ = 8.2nF
30
20
10
0
V IN = +12V
f SW = 250kHz
100 150 200 250 300 350 400 450 500 550 600
-40
-15
10
35
60
85
1
3
5
7
9
11
13
15
FREQUENCY (kHz)
TEMPERATURE ( ° C)
C DRIVER (nF)
_______________________________________________________________________________________
5
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MAX5068 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator
MAX5068AAUE 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5068AAUE+ 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5068AAUE+T 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX5068AAUE-T 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14