Linear Technology LTC3129 Скачать руководство пользователя страница 2

2

dc1922af

DEMO MANUAL DC1922A

Description

Figure 1. DC1922A Efficiency in AUTOBURST MODE

DC1922A Efficiency vs Load, V

OUT

 = 5V

Figure 2. DC1922A Step Response

V

IN

 = 15V

V

IN

 = 10V

V

IN

 = 5V

V

IN

 = 3V

V

IN

 = 10V

V

IN

 = 5V

V

IN

 = 15V

V

IN

 = 3V

 (PWM)

LOAD (mA)

0.01

0

EFFICIENCY (%)

80

20

60

40

100

10

100

1000

0.1

dc1922a F01

1

 (AUTOBURST)

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Arrow.com.

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Содержание LTC3129

Страница 1: ...s to back feed VCC D1 in order to increase efficiency in some 5V L LT LTC LTM Burst Mode Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation All other trad...

Страница 2: ...TOBURST MODE DC1922A Efficiency vs Load VOUT 5V Figure 2 DC1922A Step Response VIN 15V VIN 10V VIN 5V VIN 3V VIN 10V VIN 5V VIN 15V VIN 3V PWM LOAD mA 0 01 0 EFFICIENCY 80 20 60 40 100 10 100 1000 0 1...

Страница 3: ...varied Themaximum IOUT is a function of VIN and the current limit Consult the data sheet for more information on IOUT vs VIN In general for VIN VOUT IOUT can be increased to 200mA ForVIN VOUTIOUTcapab...

Страница 4: ...VOUT 3 3V by changing resistor R2 to 1 1M for R1 2M Quick Start Procedure 17 Once the output voltage has been set to the proper voltage and with the power supply OFF connect DC1922A to the Dust Netwo...

Страница 5: ...ure Figure 5 DC1922A Connected to DC9003 Dust Mote Top View Figure 6 DC1922A Connected to DC9003 Dust Mote Bottom View Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Страница 6: ...02 VISHAY CRCW0402619KFKED 12 1 R3 RES CHIP 2 21k 1 16W 1 0402 VISHAY CRCW04022K21FKED 13 1 U1 15V 200mA SYNCHRONOUS BUCK BOOST DC DC CONVERTER WITH 1 3 A QUIESCENT CURRENT LINEAR TECHNOLOGY LTC3129EU...

Страница 7: ...LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 2 DEMO CIRCUIT 1922A 1 1 CONVERTER WITH 1 3uA QUIESCENT CURRENT N A LTC3129EUD NC J NOON 01 02...

Страница 8: ...INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the...

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