DC1015A datasheet, PDF - EEWORLD Datasheet

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DC1015A: Descriptionboard eval for ltc3602euf; CategoryDevelopment board/suite/development tools; File Size593KB，6 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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board eval for ltc3602euf

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QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1015

2.5A, 10V, MONOLITHIC SYNCHRONOUS STEP-DOWN REGULATOR

LTC3602

DESCRIPTION

Demonstration circuit 1015 is a step-down con-

verter, using the LTC3602 monolithic synchronous

buck regulator. The DC1015 has an input voltage

range of 4.5V to 10V, and is capable of delivering up

to 2.5A of output current. The output voltage of the

DC1015 can be set as low as 0.6V, the reference

voltage of the LTC3602. At low load currents, the

DC1015 can operate in either noise sensitive appli-

cations, due to the capability of the LTC3602 to op-

erate in pulse-skipping mode, or in high efficiency

applications, because the LTC3602 can also operate

in Burst-Mode®. Of course, in continuous mode,

or large load current applications, the DC1015 is a

high efficiency circuit - over 90%. The DC1015

consumes less than 75 uA of quiescent current

during sleep operation typically, and during shut-

down, it consumes less than 1 uA. Because of the

high switching frequency of the LTC3602, which is

programmable up to 3 MHz, the DC1015 uses low

profile surface mount components. These fea-

tures, plus the LTC3602 coming in a 20-Lead QFN

package, make the DC1015 an ideal circuit for use

in high voltage portable, battery-powered applica-

tions.

Design files for this circuit are available. Call

the LTC Factory.

LTC is a trademark of Linear Technology Corporation

Table 1. Performance Summary (TA = 25°C)

PARAMETER

Minimum Input Voltage

Maximum Input Voltage

Run/Shutdown

CONDITIONS

VALUE

4.5V

10V

GND = Shutdown

VIN = Run

2.5V ±4% (2.4V – 2.6V)

Output Voltage VOUT Regulation

VIN = 4.5V to 10V, IOUT = 0A to 2.5A

3.3V ±4% (3.168V – 3.432V)

5V ±4% (4.8V – 5.2V)

Typical Output Ripple VOUT

Operation Modes

Nominal Switching Frequency

VIN = 10V, VOUT = 5V, IOUT = 2.5A (20 MHz BW)

Burst Mode - VIN = 8.4V, VOUT = 3.3V

Pulse-Skip - VIN = 8.4V, VOUT = 3.3V

RT = 105k

< 20mVP–P

< 1.25 A

< 650 mA

1 MHz

DC1015A Related Products

	DC1015A	LTC3602EFE#TRPBF	LTC3602EUF#PBF	LTC3602EFE#PBF	LTC3602IFE#PBF	LTC3602IUF#TRPBF	LTC3602EUF#TRPBF	LTC3602IUF#PBF	LTC3602IFE#TRPBF
Description	board eval for ltc3602euf	IC REG BCK ADJ 2.5A SYNC 16TSSOP	IC REG BUCK ADJ 2.5A SYNC 20QFN	IC REG BCK ADJ 2.5A SYNC 16TSSOP	IC REG BCK ADJ 2.5A SYNC 16TSSOP	IC REG BUCK ADJ 2.5A SYNC 20QFN	IC REG BUCK ADJ 2.5A SYNC 20QFN	IC REG BUCK ADJ 2.5A SYNC 20QFN	IC REG BCK ADJ 2.5A SYNC 16TSSOP
Brand Name	-	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	-	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
Maker	-	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	-	TSSOP	QFN	TSSOP	TSSOP	QFN	QFN	QFN	TSSOP
package instruction	-	HTSSOP, TSSOP16,.25	HVQCCN, LCC20,.16SQ,20	HTSSOP, TSSOP16,.25	HTSSOP, TSSOP16,.25	HVQCCN, LCC20,.16SQ,20	HVQCCN, LCC20,.16SQ,20	HVQCCN, LCC20,.16SQ,20	HTSSOP, TSSOP16,.25
Contacts	-	16	20	16	16	20	20	20	16
Manufacturer packaging code	-	FE	UF	FE	FE	UF	UF	UF	FE
Reach Compliance Code	-	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	-	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR
control mode	-	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Maximum input voltage	-	10 V	10 V	10 V	10 V	10 V	10 V	10 V	10 V
Minimum input voltage	-	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V
Nominal input voltage	-	8.4 V	8.4 V	8.4 V	8.4 V	8.4 V	8.4 V	8.4 V	8.4 V
JESD-30 code	-	R-PDSO-G16	S-PQCC-N20	R-PDSO-G16	R-PDSO-G16	S-PQCC-N20	S-PQCC-N20	S-PQCC-N20	R-PDSO-G16
JESD-609 code	-	e3	e3	e3	e3	e3	e3	e3	e3
length	-	5 mm	4 mm	5 mm	5 mm	4 mm	4 mm	4 mm	5 mm
Humidity sensitivity level	-	1	1	1	1	1	1	1	1
Number of functions	-	1	1	1	1	1	1	1	1
Number of terminals	-	16	20	16	16	20	20	20	16
Maximum operating temperature	-	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Maximum output current	-	5.2 A	5.2 A	5.2 A	5.2 A	5.2 A	5.2 A	5.2 A	5.2 A
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	HTSSOP	HVQCCN	HTSSOP	HTSSOP	HVQCCN	HVQCCN	HVQCCN	HTSSOP
Encapsulate equivalent code	-	TSSOP16,.25	LCC20,.16SQ,20	TSSOP16,.25	TSSOP16,.25	LCC20,.16SQ,20	LCC20,.16SQ,20	LCC20,.16SQ,20	TSSOP16,.25
Package shape	-	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR	SQUARE	SQUARE	SQUARE	RECTANGULAR
Package form	-	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	-	250	260	260	250	260	260	250	250
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	1.1 mm	0.8 mm	1.1 mm	1.1 mm	0.8 mm	0.8 mm	0.8 mm	1.1 mm
surface mount	-	YES	YES	YES	YES	YES	YES	YES	YES
Switch configuration	-	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK
Maximum switching frequency	-	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz	1200 kHz
technology	-	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	-	OTHER	OTHER	OTHER	INDUSTRIAL	INDUSTRIAL	OTHER	INDUSTRIAL	INDUSTRIAL
Terminal surface	-	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	-	GULL WING	NO LEAD	GULL WING	GULL WING	NO LEAD	NO LEAD	NO LEAD	GULL WING
Terminal pitch	-	0.65 mm	0.5 mm	0.65 mm	0.65 mm	0.5 mm	0.5 mm	0.5 mm	0.65 mm
Terminal location	-	DUAL	QUAD	DUAL	DUAL	QUAD	QUAD	QUAD	DUAL
Maximum time at peak reflow temperature	-	NOT SPECIFIED	30	30	NOT SPECIFIED	30	30	NOT SPECIFIED	NOT SPECIFIED
width	-	4.4 mm	4 mm	4.4 mm	4.4 mm	4 mm	4 mm	4 mm	4.4 mm

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