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LSN2-T30-D12 Datasheet, PDF (3/17 Pages) Murata Manufacturing Co., Ltd. – DOSA-SIP, 30A POL DC/DC Converters
Performance/Functional Specifications (1)
Input Voltage Range
Isolation
Start-Up Voltage
Undervoltage Shutdown
Overvoltage Shutdown
Reflected (Back) Ripple Current (2)
Internal Input Filter Type
Reverse Polarity Protection
Input Current:
Full Load Conditions
Inrush Transient
Shutdown Mode (Off, UV, OT)
Output Short Circuit
No Load, 5VOUT
Low Line (VIN = VMIN, 5VOUT)
Remote On/Off Control: (5)
Negative Logic (No suffix)
Current
Input
See Ordering Guide
Not isolated. Input and output
Commons are internally connected.
5.5 Volts
5.2 Volts
None
20mAp-p
Capacitive
See fuse information
See Ordering Guide
0.4A2sec
5mA
60mA
200mA
18.8 Amps
ON = 0 to +0.5V max.
OFF = +2V min. to +14V max.
1 mA max.
Output
Voltage Output Range
See Ordering Guide
Minimum Loading
No minimum load
Accuracy (50% load)
±1.5% of Vnominal
Voltage Adjustment Range (13)
See Ordering Guide
Overvoltage Protection
None
Temperature Coefficient
Ripple/Noise (20 MHz bandwidth)
±0.02% per °C of VOUT range
See Ordering Guide (8)
Line/Load Regulation (See Tech. Notes) See Ordering Guide (10)
Efficiency
See Ordering Guide
Maximum Capacitive Loading (15)
Cap-ESR = 0.001 to 0.01Ω
Cap-ESR > 0.01Ω
Current Limit Inception
(98% of VOUT setting)
Short Circuit Mode (6)
Short Circuit Current Output
Protection Method (14)
Short Circuit Duration
Pre-bias Startup (16)
Sequencing
Slew Rate
Startup delay until sequence start
Tracking accuracy, rising input
Tracking accuracy, falling input
Remote Sense to VOUT
5,000μF
10,000μF
48 Amps (cold startup)
42 Amps (after warm up)
600mA
Hiccup autorecovery on overload removal
Continuous, no damage
(output shorted to ground)
Converter will start up if the external
output voltage is less than VNOMINAL
2V max. per millisecond
10 milliseconds
Vout= ±200mV of Sequence In
VOUT = ±400mV of Sequence In
0.5V max. (7)
LSN2-T/30-D12 Series
DOSA-SIP, 30A POL DC/DC Converters
Power Good Output (15)
Configuration
Operation
External sink current
FALSE conditions (OR’d)
Positive-true open drain FET with internal
10 Kilohm pullup to +5 Vdc
TRUE (power is okay) = High, approx. 5Vdc
FALSE (power is not ready) = Low, < 1V typ.,
while DC/DC is powered
4.5 mA max. (< 1mA is recommended
to retain Vpg < 1V)
Soft start is active, Tracking is active, output
is greater than ±10% out of regulation,
overcurrent, or overtemperature
Dynamic Characteristics
Dynamic Load Response
60μsec to within ±2% of final value
(50-100-50% step, di/dt = 20A/msec)
Start-Up Time
7mS for VOUT = nominal
(VIN on to VOUT regulated or On/Off to VOUT)
Switching Frequency
520 ±50kHz
Environmental
Calculated MTBF (4)
4, 018, 248 Hours
Operating Temperature Range
–40 to +85°C with derating
See Derating Curves
Operating PC Board Temperature
–40 to +100°C max. (12)
Storage Temperature Range
–55 to +125°C
Thermal Protection/Shutdown
+115°C
Relative Humidity
To 85°C/85% RH, non-condensing
Outline Dimensions
Weight
Electromagnetic Interference
Safety
Physical
See Mechanical Specifications
0.28 ounces (7.8 grams)
Designed to meet FCC part 15, class B,
EN55022 (conducted and radiated)
(may need external filter)
Designed to meet UL/cUL 60950-1,
CSA-C22.2 No.60950-1, IEC/EN 60950-1
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous or transient) +15 Volts
On/Off Control
0V min. to + VIN max.
Input Reverse Polarity Protection
See Fuse section
Output Current (7)
Current-limited. Devices can withstand
sustained short circuit without damage.
Storage Temperature
–55 to +125°C
Lead Temperature
See soldering guidelines
These are stress ratings. Exposure of devices to greater than any of these conditions may
adversely affect long-term reliability. Proper operation under conditions other than those listed in
the Performance/Functional Specifications Table is not implied.
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_LSN2-T/30-D12 Series.B17 Page 3 of 17