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参数资料
型号： LQN-0.8/50-D12B-C
厂商： MURATA POWER SOLUTIONS INC
元件分类： 电源模块
英文描述： DC-DC REG PWR SUPPLY MODULE
封装： ROHS COMPLIANT PACKAGE-10
文件页数： 8/14页
文件大小： 1755K
代理商： LQN-0.8/50-D12B-C
Input
Input Voltage Range
10.2-13.8 Volts (12V nominal) [13]
Start-Up Threshold
9.4-10.8 Volts
Overvoltage Shutdown
14.3 Volts typical
Undervoltage Shutdown
9.5 Volts typical
Input Current:
Normal Operating Conditions
See Ordering Guide
Standby Mode (Off, Under Voltage)
TBD mA
Inrush transient
TBD A2sec
Output Short-Circuit Condition
350mA
Low Line Voltage (VIN = VMIN):
LQN-0.8/50-D12
4.56 Amps
LQN-1/50-D12
5.63 Amps
LQN-1.2/50-D12
6.54 Amps
LQN-1.5/50-D12
8.04 Amps
LQN-1.8/50-D12
9.64 Amps
LQN-2/50-D12
10.71 Amps
LQN-2.5/45-D12
11.86 Amps
LQN-3.3/45-D12
15.57 Amps
LQN-5/45-D12
23.34 Amps
Input Reflected Ripple Current [2]
40mAp-p
Input Filter Type
Capacitive, 88F
Overvoltage Protection
None
Reverse-Polarity Protection
See external fuse information
No-load Input Current
240mA
Remote On/Off Control [5]
Off = +2.8V to +VIN max.
On = open pin to +2V max.
Remote Control On/Off Current
1mA pulldown
Remote Sense Input Range
+10% of VOUT nominal
Output
Total Output Power (VOUT x IOUT must not exceed maximum power) [3]
LQN-0.8/50-D12
40 Watts
LQN-1/50-D12
50 Watts
LQN-1.2/50-D12
60 Watts
LQN-1.5/50-D12
75 Watts
LQN-1.8/50-D12
90 Watts
LQN-2/50-D12
100 Watts
LQN-2.5/45-D12
112.5 Watts
LQN-3.3/45-D12
148.5 Watts
LQN-5/45-D12
225 Watts
Voltage Output Accuracy:
Initial
±1% of VNOMINAL
Temperature Coefficient
±0.02% of VOUT per °C
Extreme [12]
±3% of VNOMINAL
Minimum Loading [1]
No minimum load
Ripple/Noise (20 MHz bandwidth) [8]
See Ordering Guide
Performance/Functional Specifications
Typical at Ta = +25°C under nominal input line voltage, nominal output voltage,
natural convection, external caps and full-load conditions unless otherwise noted. [1]
Line/Load Regulation [10]
See Ordering Guide
Efficiency
See Ordering Guide
Maximum Capacitive Loading
10,000F (low ESR
≤0.004)
Vout Trim Range
±10% of VNOMINAL
Current Limit Inception (98% of VOUT):
1 & 1.8V models
82A (cold start), 60A (warmed up)
2.5 & 3.3V models
85A (cold start), 70A (warmed up)
Short Circuit Detection
See Note 6
Short Circuit Protection Method
Hiccup with autorecovery
See Technical Notes
Short Circuit Current
22 Amps typical, 25 Amps maximum
Short Circuit Duration
Continuous, output shorted to ground
Overvoltage Protection
120% of VOUT
Method: comparator feedback
Dynamic Characteristics
Dynamic Load Response (50% - 75% - 50% load step to ±2% of VOUT final value)
All models
70sec
Start-Up Time
(On/Off or VIN on to VOUT regulated)
10msec for VOUT = nominal
Switching Frequency
690kHz ±30kHz
Maximum Output Capacitive Load
10,000F, low ESR, 0.004
Environmental
Calculated MTBF [4]
TBC Hours
Operating Temperature Range: (Ambient) [9]
See Derating Curves
–40 to +85°C, with derating
Storage Temperature Range
–40 to +125°C
Thermal Protection/Shutdown
+115°C (PC board)
Relative Humidity
To +85%/+85°C, non-condensing
Physical
Outline Dimensions
See Mechanical Specifications
Pin Material [11]
Through-hole: Gold-plated copper alloy
Surface mount: Pure tin over nickel-plated
copper alloy
Weight (no heatsink)
1.1 ounces (31 grams)
Flammability Rating
UL94V-0
Electromagnetic Interference
(conducted or radiated)
FCC Part 15, EN55022, Class A
Safety
UL/cUL 60950-1, CSA-C22.2 No.234
IEC/EN 60950-1
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
www.murata-ps.com
MDC_LQN D12 Models.B03 Page 3 of 14
LQN D12 Models
Non-Isolated, Single Output, 12Vin, 0.8-5Vout
45-50 Amp, -Brick, DC/DC Converters
相关PDF资料
PDF描述
LQN-1.8/50-D12M-C DC-DC REG PWR SUPPLY MODULE
LQN-2/50-D12B-C DC-DC REG PWR SUPPLY MODULE
LQN-0.8/50-D12MH-C DC-DC REG PWR SUPPLY MODULE
LQN-2.5/45-D12H-C DC-DC REG PWR SUPPLY MODULE
LQN-1/50-D12M-C DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LQN-1.2/50-D12B-C 功能描述:DC/DC转换器 60W 12V to 1.2V 50A RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LQN-1.2/50-D12-C 功能描述:DC/DC转换器 60W 12V to 1.2V 50A RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LQN-1.2/50-D12H-C 功能描述:DC/DC转换器 60W 12V to 1.2V 50A HEAT SINK RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LQN-1.2/50-D12MB-C 功能描述:DC/DC转换器 60W 12V to 1.2V 50A SURFACE MOUNT RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
LQN-1.2/50-D12M-C 功能描述:DC/DC转换器 60W 12V to 1.2V 50A SURFACE MOUNT RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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