参数资料
型号: MAX5071CASA+
厂商: Maxim Integrated Products
文件页数: 4/22页
文件大小: 0K
描述: IC REG CTRLR FLYBK DIV ISO 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: 1MHz
占空比: 50%
电源电压: 10.8 V ~ 25 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: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
High-Performance, Single-Ended, Current-Mode
PWM Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +15V, R T = 10k ? , C T = 3.3nF, V VREF = OPEN, C VREF = 0.1μF, COMP = OPEN, V FB = 2V, CS = GND, T A = -40°C to +85°C ,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADV_CLK (MAX5071C only)
ADV_CLK High Voltage
ADV_CLK Low Voltage
V ADV_CLKH
V ADV_CLKL
I ADV_CLK = 10mA source
I ADV_CLK = 10mA sink
2.4
3
0.4
V
V
ADV_CLK Output Pulse Width
ADV_CLK Rising Edge to OUT
Rising Edge
ADV_CLK Source and Sink
Current
t PULSE
t ADV_CLK
I ADV_CLK
10
85
110
ns
ns
mA
ELECTRICAL CHARACTERISTICS
(V CC = +15V, R T = 10k ? , C T = 3.3nF, V VREF = OPEN, C VREF = 0.1μF, COMP = OPEN, V FB = 2V, CS = GND, T A = -40°C to +125°C ,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
V VREF
T A = +25°C, I VREF = 1mA
4.950
5.000
5.050
V
Line Regulation
Load Regulation
Total Output Variation
Reference Output Noise Voltage
? V LINE
? V LOAD
V REFT
V NOISE
12V < V CC < 25V, I VREF = 1mA
1mA < I VREF < 20mA
1mA < I VREF < 20mA, 12V < V CC < 25V
10Hz < f < 10kHz, T A = +25°C
4.9
0.4
6
50
4
25
5.1
mV
mV
V
μV
Reference Output Short Circuit
I S_SC
V VREF = 0V
-30
-100
-180
mA
OSCILLATOR
Initial Accuracy
Voltage Stability
Temp Stability
R T /C T Voltage Ramp ( P-P )
R T /C T Voltage Ramp Valley
V RAMP
V RAMP_VALLEY
T A = +25°C
12V < V CC < 25V
-40 ° C < T A < +125°C
51
54
0.2
1
1.7
1.1
57
0.5
kHz
%
%
V
V
Discharge Current
Frequency Range
I DIS
f OSC
V RT/CT = 2V, T A = +25°C
7.9
20
8.3
8.7
1000
mA
kHz
ERROR AMPLIFIER (MAX5070A/MAX5070B)
FB Input Voltage
FB Input Bias Current
Open-Loop Voltage Gain
V FB
I B(FB)
A VOL
FB shorted to COMP
2V ≤ V COMP ≤ 4V
2.465
2.5
-0.01
100
2.535
-0.1
V
μA
dB
Unity-Gain Bandwidth
f GBW
1
MHz
Power-Supply Rejection Ratio
COMP Sink Current
PSRR
I SINK
12V ≤ V CC ≤ 25V (Note 2)
V FB = 2.7V, V COMP = 1.1V
60
2
80
6
dB
mA
COMP Source Current
COMP Output High Voltage
COMP Output Low Voltage
I SOURCE
V COMPH
V COMPL
V FB = 2.3V, V COMP = 5V
V FB = 2.3V, R COMP =15k ? to GND
V FB = 2.7V, R COMP = 15k ? to VREF
-0.5
5
-1.2
5.8
0.1
-1.8
0.5
mA
V
V
4
_______________________________________________________________________________________
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MAX5071CASA+T 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5071CASA-T 功能描述:电流型 PWM 控制器 Single-Ended 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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