Datasheet > LMT78_1.8-0.5R

LMT78_1.8-0.5R

更新时间： 2024-11-08 02:48:47

品牌	Logo	应用领域
GAPTEC		/
页数	文件大小	规格书
5页	1938K
描述
Wide input, non-isolated & regulated, single output, SMD package

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LMT78_1.8-0.5R 数据手册

LMT78_0.5R series

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

Switching Regulator

Eﬃciency up to 95%

No-load input current

as low as 0.2mA

Remote ON/OFF control

Output short-circuit

protection (SCP)

Operating ambient temp.

range -40°C to +85°C

IEC62368, UL62368, EN62368

approved

The LMT78_0.5R 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 appli-

cations such as industrial control, instrumentation and electric power.

0.5AMP SMD package

Wide input voltage range

(4,75V - 36V)

Adjustable output voltage

UL-62368-1 (E347551)

Common speciﬁcations

Cooling:

Output speciﬁcations

Free air convection

Item

Test conditions

Min

Typ

Max

Units

Short circuit protection mode:

Short circuit protection:

Operating temperature range:

Storage temperature range:

Lead temperature:

Hiccup mode

Output voltage

accuracy

Input voltage range at

full load

Continuous, automatic recovery

-40°C ~ +85°C

• 1.5/1.8/2.5/3.3VDC

• Others

Line regulation

Load regulation

Input voltage range at

full load

0.2

0.4

-55°C ~ +125°C

300°C MAX, 1.5mm from case for 10 sec

100°C MAX

Nominal input, 10% to

100% load

• 1.5/1.8/2.5VDC

• Others

Operating case temperature:

Reﬂow Soldering Temperature:

0.6

0.3

Peak temp. ≤ 245°C,maximum duration

time ≤ 60s at 217°C. For actual

application, please refer to

Ripple + Noise*

20MHz bandwidth

1.5/1.8/2.5/3.3VDC

• 20% - 100% load

IPC/JEDEC J-STD-020D.1

mVp-p

Storage humidity range:

Case material:

< 95%

Plastic [UL94-V0]

> 2,000,000 hours

1.5g

Others

• 10% - 100% load

mVp-p

%/°C

MTBF (MIL-HDBK-217F,+25°C):

Package weight:

Temperature

coeﬃcient

- 40°C to + 85°C

ambient

0.03

Dimensions:

15.24 * 11.40 * 8.25mm

J-STD-020D standard - Level 1

Transient response Nominal input voltage,

deviation 25% load step change

200

MSL (Moisture sensitivity level):

Transient recovery Nominal input voltage,

0.2

time

25% load step change

Input speciﬁcations

Vadj

input voltage range

%Vo

Item

Test conditions

Min Typ

0.2

Max

1.5

Units

Switching

frequency

Full load, nominal

input voltage

• LMT78_1.5-0.5R

• Others

No load input

current

370

700

KHz

Reverse polarity

input

Forbidden

* Ripple and noise tested with “parallel cable” method, please refer to DC-DC

converter Application Notes for speciﬁc operation methods.

Input ﬁlter

Capacitor

Remote ON/OFF*

• Module switch on

suspended or connected to TTL

high level (3.2-8VDC)

Example:

LMT78_05-0.5R

LM = Series; T = SMT case; 05 = 5Vout; 0.5 = 0.5A; R = Revised

• Module switch oﬀ

pin connected to GND or low

level (0-0.8VDC)

• Input current when

switched oﬀ

100

µA

* The voltage of Remote ON/OFF pin is relative to pin GND.

Note:

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

and rated output load unless otherwise speciﬁed.

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

standards.

Page 1 of 5

LMT78_0.5R – Rev. 2021-1.6

Speciﬁcations subject to change without notice.

GAPTEC-Electronic GmbH & Co. KG

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

12 3 4 5

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