Datasheet > LDM24

LDM24

更新时间： 2022-02-26 09:39:25

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LDM24-xx-xxx

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LDM24 数据手册

LDM24-xx-xxx

Miniature, Wide Input

Constant Current

DC/DC LED Drivers

Electrical Speciﬁcations

Speciﬁcations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Speciﬁcations subject to change without notice.

Key Features:

Input

Parameter

Input Voltage Range

Maximum Input Voltage

Input Filter

Conditions

Min.

7.0

Typ.

Max.

30.0

40.0

Units

VDC

• Constant Current Output

• Wide 7V to 30V Input Range

• 95% Efﬁciency

0.5 Sec

Internal Capacitor

Output

• Miniature MiniDIP Case

• 500 mA to 700 mA Output

• Meets EN 60950

Parameter

Output Voltage Range

Output Current

Output Current Accuracy

Output Power

Efﬁciency

Capacitive Load

Operating Frequency

Ripple & Noise (20 MHz)

Temperature Coefﬁcient

Thermal Impedance

Output Short Circuit

Environmental

Conditions

Min.

Typ.

Max.

Units

VDC

VIN = 30V

See Model Selection Guide

• 1.6 MHrs MTBF

• Digital & Analog Dimming!

450

µF

kHz

See Model Selection Guide

0.05

%/ºC

ºC/W

Natural Convection

Regulated At Rated Output Current

+40

Parameter

Conditions

Min.

-40

Typ.

+25

Max.

+71

+105

+125

Units

ºC

Ambient

Case

Operating Temperature Range

Storage Temperature Range

Cooling

Humidity

Lead Temperature (Solder)

Physical

-40

ºC

Free Air Convection

RH, Non-condensing

1.5 mm From Case For 10 Sec

260

ºC

Case Size

Case Material

Weight

0.80 x 0.40 x 0.27 Inches (20.32 x 10.16 x 6.88 mm)

Non-Conductive Black Plastic (UL94-V0)

0.092 Oz (2.6g)

Remote On/Off Control

Parameter

Conditions

Min.

Typ.

Max.

Units

DC/DC On

DC/DC Off

Open or 0.3V < VADJ <1.25V

VADJ <0.15V

Remote Pin Drive Current

Quiescent Input Current (Shutdown Mode)

PWM Dimming

Parameter

Operation Frequency

Switch On Time

Switch Off Time

Output Current Adjust Range

Analog Dimming

Parameter

VADJ = 1.25V

VIN = 30V

µA

Conditions

Recommended Maximum

Min.

Typ.

Max.

1.0

Units

kHz

200

100

MicroPower Direct

292 Page Street

Suite D

Conditions

Min.

0.0

Max.

1.25

100

Units

VDC

Input Voltage Range

Output Current Adjustment

At VADJ Input (Pin 2)

Stoughton, MA 02072

USA

On 0.30

1.25

0.15

1.0

Control Voltage Range Limits

VDC

Off

0.0

Drive Current

EMC Compliance

EMI/RFI

Electrostatic Discharge (ESD)

RF Field Susceptibility

Electrical Fast Transients/Bursts On Mains

EMS Immunity

VADJ = 1.25V

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

W: www.micropowerdirect.com

Radiated/Conducted

Class A

EN 55015 (CISPR22)

IEC/EN 61000-4-2, -6, -8

IEC/EN 61000-4-3

IEC/EN 61000-4-4

EN61547

Class A

Reliability Speciﬁcations

Parameter

MTBF

Conditions

MIL HDBK 217F, 25ºC, Gnd Benign

Min.

1.6

Typ.

Max.

Units

MHours

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