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参数资料
| 型号： | MAX8792EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/28页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX8792 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.5V |
| 电流 - 输出： | 10A |
| 输入电压： | 7 ~ 20 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8792 |
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Single Quick-PWM Step-Down
Controller with Dynamic REFIN
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, V DD = V CC = V EN = 5V, REFIN = ILIM = REF, SKIP = GND. T A = 0°C to +85°C , unless otherwise spec-
ified. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FAULT DETECTION
With respect to the internal target voltage
(error comparator threshold); rising edge;
250
300
350
mV
Output Overvoltage-Protection
Trip Threshold
OVP
hysteresis = 50mV
Dynamic transition
V REF +
0.30
V
Minimum OVP threshold
0.7
Output Overvoltage
Fault-Propagation Delay
t OVP
FB forced 25mV above trip threshold
5
μs
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage
Fault-Propagation Delay
UVP
t UVP
With respect to the internal target voltage
(error comparator threshold); falling edge;
hysteresis = 50mV
FB forced 25mV below trip threshold
-240
100
-200
200
-160
350
mV
μs
UVP falling edge, 25mV overdrive
5
PGOOD Propagation Delay
PGOOD Output-Low Voltage
t PGOOD
OVP rising edge, 25mV overdrive
Startup delay
I SINK = 3mA
100
5
200
350
0.4
μs
V
PGOOD Leakage Current
Dynamic REFIN Transition Fault
Blanking Threshold
Thermal-Shutdown Threshold
I PGOOD
T SHDN
FB = REFIN (PGOOD high impedance),
PGOOD forced to 5V, T A = +25°C
Fault blanking initiated; REFIN deviation
from the internal target voltage (error
comparator threshold); hysteresis = 10mV
Hysteresis = 15°C
±50
160
1
μA
mV
°C
V CC Undervoltage Lockout
Threshold
V UVLO(VCC)
Rising edge, PWM disabled below this
level; hysteresis = 100mV
3.95
4.2
4.45
V
CURRENT LIMIT
ILIM Input Range
0.4
V REF
V
Current-Limit Threshold
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Ultrasonic Frequency
V ILIMIT
V INEG
V ZX
V ILIM = 0.4V
ILIM = REF (2.0V)
V ILIM = 0.4V
V ILIM = 0.4V,
V GND - V LX , SKIP = GND or open
SKIP = open (3.3V); V FB = V REFIN + 50mV
18
92
18
20
100
-24
1
30
22
108
mV
mV
mV
kHz
Ultrasonic Current-Limit Threshold
SKIP = open (3.3V); V FB = V REFIN + 50mV
35
mV
_______________________________________________________________________________________
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| MAX8794ETB+T | 功能描述:低压差稳压器 - LDO Low-Voltage DDR Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX8795AETJ+ | 功能描述:直流/直流开关转换器 TFT-LCD DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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