Datasheet > LMTOW78_12-0.5

LMTOW78_12-0.5

更新时间： 2024-11-25 02:48:11

品牌	Logo	应用领域
GAPTEC		/
页数	文件大小	规格书
4页	956K
描述
Wide input, non-isolated & regulated, single output, SMD package

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LMTOW78_12-0.5 数据手册

LMTOW78_0.5 series

Wide input, non-isolated & regulated, single output, SMD package

Switching Regulator

Short circuit protection (SCP)

SMD package, full SMD

technology

Eﬃciency up to 92%

High voltage input range, up

to 72V

Remote ON/OFF control

Operating ambient tempe-

rature range: -40°C ~ +105°C

Excellent line/load regulation

RoHS compliance

The LMTOW78_0.5 series are high eﬃciency switching regulators. The

converters feature high eﬃciency, low loss and short-circuit protection

in a compact SMD package. These products are widely used in applica-

tions such as industrial control, instrumentation and electric power.

Common speciﬁcations

Cooling:

Output speciﬁcations

Nature convection

Item

Test conditions

Min

Typ

Max

Units

Short circuit protection:

Operating temperature range:

Continuous, automatic recovery

Voltage accuracy

-40°C ~ +105°C

-40°C ~ +60°C (for 100% load)

Voltage

adjustability

input voltage range

Storage temperature range:

Reﬂow soldering temperature:

-55°C ~ +125°C

Line regulation

Load regulation

Ripple + Noise*

260°C, MAX

Peak temp. ≤245°C, maximum duration

time ≤10s. For actual application, please

refer to IPC/JEDEC J-STD-020D.1.

20MHz bandwidth

mVpk-pk

%/°C

Temperature

coeﬃcient

0.02

Storage humidity range:

Safety standard:

< 95%

Transient recovery Normal Vin, 25% load

time step change

250

µs

IEC/EN 60950-1, 62368-1

Plastic [UL94-V0]

> 4,800,000 hours

1.8g

Case material:

Transient response Normal Vin, 25% load

deviation

MTBF (MIL-HDBK-217F,+25°C):

Package weight:

step change

Switching

frequency

150~550

KHz

Dimensions:

1.96 x 1.19 x 0.50mm

Measured with a 0.1µF ceramic capacitor & 10µF electrolytic capacitor.

Input speciﬁcations

EMC speciﬁcations

Item

Test conditions

Min Typ

Max

Units

EMI

CE*

CISPR32/EN55032

IEC/EN61000-4-2

IEC/EN61000-4-3

IEC/EN61000-4-4

IEC/EN61000-4-5

IEC/EN61000-4-6

IEC/EN61000-4-8

CLASS B

Start up time

nominal Vin and con-

stant resistive load

EMI

RE*

CLASS B

EMS

ESD

perf. Criteria A

Input ﬁlter

Capacitors

Input reﬂected

ripple current*

mApk-pk

VDC

EFT**

Surge**

Surge voltage

100ms

Remote ON/OFF

CTRL*

• ON

• OFF

• OFF Idle current

open circuit

short circuit CTRL (pin 10) and

GND

PFMF

The series can meet EN55032 Class B with an external ﬁlter in parallel with

the input pins.

** An external ﬁlter is required if the module has to meet IEC61000-4-4 &

IEC61000-4-5.

Measured through a source indicator L1 (12µH) and a source capacitor C1=10µF

at nominal input and full load.

** The remote ON/OFF pin is referenced to GND.

Note:

Example:

1. All speciﬁcations measured at Ta = 25°C, humidity <75%, nominal input voltage

and rated output load unless otherwise speciﬁed.

LMTOW78_05-0.5

LM = Series; T = SMT case; O = Open frame; W = Wide input;

05 = 5Vout; 0.5 = 0.5A

2. In this datasheet, all the test methods of indications are based on corporate

standards.

Page 1 of 4

LMTOW78_0.5 – Rev. 2020-1.2

Speciﬁcations subject to change without notice.

GAPTEC-Electronic GmbH & Co. KG

sales@gaptec-electronic.com – www.gaptec-electronic.com

12 3 4

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