参数资料
型号: MAX5068EAUE+T
厂商: Maxim Integrated Products
文件页数: 5/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO 16-TSSOP
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: 1.25MHz
占空比: 75%
电源电压: 10.8 V ~ 24 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: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 带卷 (TR)
High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
Typical Operating Characteristics
(V IN = +12V for the MAX5068B/E/F; V IN = +23.6V for MAX5068A/C/D at startup, then reduces to +12V; C IN = C REG5 = 0.1μF;
C VCC = 1μF; R RT = 100k ? ; NDRV = floating; V FB = 0; V COMP = floating; V CS = 0; T A = +25°C, unless otherwise noted.)
BOOTSTRAP UVLO WAKE-UP LEVEL
vs. TEMPERATURE
BOOTSTRAP UVLO SHUTDOWN LEVEL
vs. TEMPERATURE
UVLO/EN WAKE-UP THRESHOLD
vs. TEMPERATURE
21.6
21.5
MAX5068A/C/D
10.0
9.9
V IN FALLING
MAX5068A/C/D
1.245
1.240
UVLO/EN RISING
21.4
21.3
21.2
9.8
9.7
1.235
1.230
21.1
21.0
9.6
9.5
1.225
1.220
-40
-15
10
35
60
85
110
-40
-15
10
35
60
85
110
-40
-15
10
35
60
85
110
TEMPERATURE ( ° C)
UVLO/EN SHUTDOWN THRESHOLD
vs. TEMPERATURE
TEMPERATURE ( ° C)
V IN SUPPLY CURRENT IN
UNDERVOLTAGE LOCKOUT vs. TEMPERATURE
TEMPERATURE ( ° C)
VIN SUPPLY CURRENT AFTER STARTUP
vs. TEMPERATURE
1.20
1.19
1.18
UVLO/EN FALLIN G
60
56
V IN = 19V
WHEN IN BOOTSTRAP UVLO (MAX5068A/C/D)
UVLO/EN (MAX5068B/E/F) IS LOW
6
5
V IN = 24V
f SW = 1.25MHz
1.17
1.16
1.15
1.14
52
48
4
3
f SW = 500kHz
f SW = 250kHz
1.13
1.12
44
2
1.11
f SW = 100kHz
f SW = 50kHz
1.10
40
1
-40
-15
10
35
60
85
110
-40
-15
10
35
60
85
110
-40
-15
10
35
60
85
110
TEMPERATURE ( ° C)
V CC vs. TEMPERATURE
TEMPERATURE ( ° C)
REG5 OUTPUT VOLTAGE
vs. OUTPUT CURRENT
TEMPERATURE ( ° C)
REG5 vs. TEMPERATURE
10.0
9.7
9.4
V IN = 19V, I IN = 25mA
V IN = 19V, I IN = 10mA
4.980
4.975
R RT = 100k?
5.00
4.99
4.98
V IN = 10.8V
100μA LOAD
9.1
4.970
4.97
8.8
8.5
8.2
4.965
4.96
4.95
4.94
1mA LOAD
7.9
7.6
7.3
7.0
V IN = 10.8V, I IN = 10mA
V IN = 10.8V, I IN = 25m     A
4.960
4.955
4.950
4.93
4.92
4.91
4.90
-40
-15
10
35
60
85
110
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
-40
-15
10
35
60
85
110
TEMPERATURE ( ° C)
OUTPUT CURRENT (mA)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
5
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MAX5068FAUE+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
MAX5068FAUE-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
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