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| 型号： | MAX5070AASA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/22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： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 97.5% |
| 电源电压： | 10.8 V ~ 25 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 是 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
High-Performance, Single-Ended, Current-Mode
PWM Controllers
ABSOLUTE MAXIMUM RATINGS
V CC (Low-Impedance Source) to GND ..................-0.3V to +30V
V CC (I CC < 30mA).....................................................Self Limiting
OUT to GND ...............................................-0.3V to (V CC + 0.3V)
OUT Current............................................................. ± 1A for 10μs
FB, SYNC, COMP, CS, R T /C T , VREF to GND ...........-0.3V to +6V
COMP Sink Current (MAX5070)..........................................10mA
Continuous Power Dissipation (T A = +70°C)
8-Pin μMAX (derate 4.5mW/°C above +70°C) .............362mW
8-Pin SO (derate 5.9mW/°C above +70°C)...............470.6mW
Operating Temperature Range (Automotive) ....-40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
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 +85°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 < +85°C
51
54
0.2
0.5
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
CURRENT-SENSE AMPLIFIER
Gain
Maximum Current-Sense Signal
A CS
V CS_MAX
(Notes 3, 4)
MAX5070A/B (Note 3)
V COMP = 5V, MAX5071_
2.85
0.95
0.95
3
1
1
3.26
1.05
1.05
V/V
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX5070AAUA | 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 |
| MAX5070AAUA+ | 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 |
| MAX5070AAUA+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 |
| MAX5070AAUA-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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