LSN2-T/30-D12-C【PDF 4/16 页】CONV DC/DC 150W 30A 0.8-5V SIP

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LSN2-T/30-D12 Series

DOSA-SIP, 30A POL DC/DC Converters

Performance/Functional Speci?cations (1)

Input

Power Good Output (15)

Input Voltage Range

Isolation

Start-Up Voltage

Undervoltage Shutdown

Overvoltage Shutdown

See Ordering Guide

Not isolated. Input and output

Commons are internally connected.

5.5 Volts

5.2 Volts

None

Con?guration

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

Re?ected (Back) Ripple Current (2)

Internal Input Filter Type

Reverse Polarity Protection

Input Current:

20mAp-p

Capacitive

None. Install external fuse.

Dynamic Load Response

is greater than ±10% out of regulation,

overcurrent, or overtemperature

Dynamic Characteristics

60μsec to within ±2% of ?nal value

Full Load Conditions

See Ordering Guide

(50-100-50% step, di/dt = 20A/msec)

Inrush Transient

Shutdown Mode (Off, UV, OT)

Output Short Circuit

No Load, 5V OUT

0.4A 2 sec

5mA

60mA

200mA

Start-Up Time

(V IN on to V OUT regulated or On/Off to V OUT )

Switching Frequency

7mS for V OUT = nominal

520 ±50kHz

Low Line (V IN = V MIN , 5V OUT )

Remote On/Off Control: (5)

18.8 Amps

Calculated MTBF (4)

Environmental

4, 018, 248 Hours

Negative Logic (No suf?x)

Current

Voltage Output Range

Minimum Loading

Accuracy (50% load)

Voltage Adjustment Range (13)

Overvoltage Protection

Temperature Coef?cient

Ripple/Noise (20 MHz bandwidth)

ON = 0 to +0.3V max.

OFF = +2.5V min. to +Vin max.

1 mA max.

Output

See Ordering Guide

No minimum load

±1.5% of Vnominal

See Ordering Guide

None

±0.02% per °C of V OUT range

See Ordering Guide (8)

Operating Temperature Range

Operating PC Board Temperature

Storage Temperature Range

Thermal Protection/Shutdown

Relative Humidity

Outline Dimensions

Weight

Electromagnetic Interference

–40 to +85°C with derating

See Derating Curves

–40 to +100°C max. (12)

–55 to +125°C

+115°C

To 85°C/85% RH, non-condensing

Physical

See Mechanical Speci?cations

0.28 ounces (7.8 grams)

Meets class B, EN55022/CISPR22 (conducted

and radiated) (may need external ?lter)

Line/Load Regulation (See Tech. Notes) See Ordering Guide (10)

Safety

Meets UL/cUL 60950-1, CSA-C22.2

Ef?ciency

Maximum Capacitive Loading (15)

Cap-ESR = 0.001 to 0.01 Ω

Cap-ESR > 0.01 Ω

Current Limit Inception

(98% of V OUT setting)

Short Circuit Mode (6)

Short Circuit Current Output

Protection Method (14)

Short Circuit Duration

See Ordering Guide

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)

No. 60950-1, IEC/EN 60950-1, 2nd edition

ABSOLUTE MAXIMUM RATINGS

Pre-bias Startup (16)

Sequencing

Slew Rate

Startup delay until sequence start

Tracking accuracy, rising input

Tracking accuracy, falling input

Converter will start up if the external

output voltage is less than V NOMINAL

2V max. per millisecond

10 milliseconds

Vout= ±200mV of Sequence In

V OUT = ±400mV of Sequence In

Input Voltage (Continuous or transient)

On/Off Control

Input Reverse Polarity Protection

Output Current (7)

Storage Temperature

+15 Volts

0V min. to + V IN max.

None. Install external fuse.

Current-limited. Devices can withstand

sustained short circuit without damage.

–55 to +125°C

Remote Sense to V OUT

0.5V max.

(7)

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 Speci?cations Table is not implied.

www.murata-ps.com/support

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