参数资料
型号: MAX5019ESA+
厂商: Maxim Integrated Products
文件页数: 3/14页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO PWM 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
PWM 型: 电流模式
输出数: 1
频率 - 最大: 302kHz
占空比: 85%
电源电压: 13 V ~ 110 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
Current-Mode PWM Controllers with Integrated
Startup Circuit
ELECTRICAL CHARACTERISTICS (continued)
(V DD = 13V, a 10μF capacitor connects V CC to GND, V CS = 0, V+ = 48V, 0.1μF capacitor connected from SS_ SHDN to GND, NDRV
= open circuit, V FB = 3V, T A = -40 ° C to +85 ° C, unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SLOPE COMPENSATION
Slope Compensation
(MAX5019 only)
V SCOMP
26
mV/ μ s
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Hysteresis
CURRENT LIMIT
150
25
° C
° C
CS Threshold Voltage
CS Input Bias Current
V ILIM
FB = GND
0 ≤ V CS ≤ 2V, FB = GND
419
-1
465
510
1
mV
μ A
Current Limit Comparator
Propagation Delay
CS Blanking Time
50mV overdrive on CS, FB = GND
FB = GND, only PWM comparator is blanked
180
70
ns
ns
OSCILLATOR
Clock Frequency Range
Max Duty Cycle
FB = GND
MAX5019, FB = GND
MAX5020, FB = GND
247
75
44
275
302
85
50
kHz
%
SOFT-START
SS Source Current
I SSO
V SS_ SHDN = 0
2.0
4.5
6.5
μ A
SS Sink Current
1.0
mA
Steady State Reference Voltage
at SS_ SHDN
Shutdown Threshold
V SS _ SHDN
No external load
V SS_ SHDN falling
V SS_ SHDN rising
2.331
0.25
0.53
2.420
0.37
0.59
2.500
0.41
0.65
V
V
Typical Operating Characteristics
(V+ = 48V, V DD = 13V, CS = GND, NRDV is open circuit, T A = +25 ° C, unless otherwise noted.)
MAX5019
1.003
V SS_SHDN vs. TEMPERATURE
(AT THE END OF SOFT-START)
278
NDRV FREQUENCY
vs. TEMPERATURE
81.0
MAXIMUM DUTY CYCLE
vs. TEMPERATURE
1.002
V FB = 4V
277
FB = GND
80.9
80.8
FB = GND
276
1.001
80.7
275
80.6
1.000
274
80.5
0.999
-40
-20
0
20
40
60
80
273
-40
-20
0
20
40
60
80
80.4
-40
-20
0
20
40
60
80
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
3
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MAX5019ESA+ 功能描述:电流型 PWM 控制器 w/Integrated Startup 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
MAX5019ESA+T 功能描述:电流型 PWM 控制器 w/Integrated Startup 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
MAX5019ESA-T 功能描述:电流型 PWM 控制器 w/Integrated Startup 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
MAX5019-MAX5020 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Current-Mode PWM Controllers with Integrated Startup Circuit
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