LTC3833IUDC#TRPBF datasheet, PDF

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LTC3833IUDC#TRPBF: DescriptionIC REG CTRLR BUCK 20QFN; CategoryPower/power management The power supply circuit; File Size201KB，8 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC3833IUDC#TRPBF Overview

IC REG CTRLR BUCK 20QFN

LTC3833IUDC#TRPBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN, LCC20,.12X.16,20
Contacts	20
Manufacturer packaging code	UDC
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Maximum input voltage	38 V
Minimum input voltage	4.5 V
Nominal input voltage	15 V
JESD-30 code	R-PQCC-N20
JESD-609 code	e3
length	4 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	20
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Nominal output voltage	5.3 V
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC20,.12X.16,20
Package shape	RECTANGULAR
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	0.8 mm
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	2000 kHz
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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DEMO MANUAL DC1516A

LTC3833EFE

Wide Input Range,

High Efficiency Step-Down

DC/DC Converter

Other features of the board include a MODE jumper to

program either DCM or CCM with light or no load, a PLLIN

input for synchronizing the converter to an external clock,

a TRACK/SS pin, a PGOOD pin and an EXTV

pin.

The demo board uses a high density, two-sided drop-in

layout. The entire converter, excluding the bulk output and

input capacitors, fits within a compact 1.25"

0.5" area

on the board. The package style for the LTC3833EFE is a

20-lead TSSOP with an exposed ground pad.

Design files for this circuit board are available at

http://www.linear.com/demo

LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of

Linear Technology Corporation. All other trademarks are the property of their respective owners.

DESCRIPTION

Demonstration circuit 1516A is a 1.5V/15A synchronous

buck converter operating with a switching frequency of

300kHz over an input voltage range of 4.5V to 24V. The

demo board comes in two versions. The -A version uses

inductor DCR current sensing with an iron powder inductor

for highest efficiency. The -B version uses a 2.5mΩ/1%

sense resistor for accurate current sensing with a low

DCR ferrite inductor. The fixed on-time valley current

mode control of the LTC

3833 allows for a fast load step

response (see Figures 4 and 5). The load step response

can be tested with the on-board load step circuit and a

bench pulse generator.

PERFORMANCE SUMMARY

PARAMETER

Minimum Input Voltage

Maximum Input Voltage

Output Voltage

Switching Frequency

Efficiency

DCR SENSE Version (-A)

SENSE

Version (-B)

= 0°C to 85°C)

VALUE

4.5V

24V

CONDITIONS/NOTES

OUT

= 0A to 15A

= 12V, V

OUT

= 1.5V, I

OUT

= 15A

See Figures 2 and 3

1.5V ±2%

300kHz

89.4%

87.8%

dc1516af

LTC3833IUDC#TRPBF Related Products

	LTC3833IUDC#TRPBF	DC1516A-B	LTC3833IFE#PBF	LTC3833EFE#TRPBF	LTC3833IFE#TRPBF	LTC3833EUDC#TRPBF	LTC3833IUDC#PBF	DC1516A-A	LTC3833EFE#PBF	LTC3833EUDC#PBF
Description	IC REG CTRLR BUCK 20QFN	board eval for ltc3833efe	IC REG CTRLR BUCK 20TSSOP	IC REG CTRLR BUCK 20TSSOP	IC REG CTRLR BUCK 20TSSOP	IC REG CTRLR BUCK 20QFN	IC REG CTRLR BUCK 20QFN	BOARD DEMO FOR LTC3833EFE	IC REG CTRLR BUCK 20TSSOP	Output current: - Switching operating frequency: 200kHz ~ 2MHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Fast, accurate, step-down DC/DC with differential output detection function controller
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 )
Parts packaging code	QFN	-	TSSOP	TSSOP	TSSOP	QFN	QFN	-	TSSOP	QFN
package instruction	HVQCCN, LCC20,.12X.16,20	-	HTSSOP, TSSOP20,.25	HTSSOP, TSSOP20,.25	HTSSOP, TSSOP20,.25	HVQCCN, LCC20,.12X.16,20	HVQCCN, LCC20,.12X.16,20	-	HTSSOP, TSSOP20,.25	HVQCCN, LCC20,.12X.16,20
Contacts	20	-	20	20	20	20	20	-	20	20
Manufacturer packaging code	UDC	-	FE	FE	FE	UDC	UDC	-	FE	UDC
Reach Compliance Code	compliant	-	compliant	compliant	compliant	compliant	compliant	-	compliant	compliant
ECCN code	EAR99	-	EAR99	EAR99	EAR99	EAR99	EAR99	-	EAR99	EAR99
Other features	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	-	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	-	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	-	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	-	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	CURRENT-MODE	-	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	-	CURRENT-MODE	CURRENT-MODE
Maximum input voltage	38 V	-	38 V	38 V	38 V	38 V	38 V	-	38 V	38 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	15 V	-	15 V	15 V	15 V	15 V	15 V	-	15 V	15 V
JESD-30 code	R-PQCC-N20	-	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PQCC-N20	R-PQCC-N20	-	R-PDSO-G20	R-PQCC-N20
JESD-609 code	e3	-	e3	e3	e3	e3	e3	-	e3	e3
length	4 mm	-	6.5 mm	6.5 mm	6.5 mm	4 mm	4 mm	-	6.5 mm	4 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	20	-	20	20	20	20	20	-	20	20
Maximum operating temperature	125 °C	-	125 °C	125 °C	125 °C	125 °C	125 °C	-	125 °C	125 °C
Minimum operating temperature	-40 °C	-	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-	-40 °C	-40 °C
Nominal output voltage	5.3 V	-	5.3 V	5.3 V	5.3 V	5.3 V	5.3 V	-	5.3 V	5.3 V
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	-	HTSSOP	HTSSOP	HTSSOP	HVQCCN	HVQCCN	-	HTSSOP	HVQCCN
Encapsulate equivalent code	LCC20,.12X.16,20	-	TSSOP20,.25	TSSOP20,.25	TSSOP20,.25	LCC20,.12X.16,20	LCC20,.12X.16,20	-	TSSOP20,.25	LCC20,.12X.16,20
Package shape	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	RECTANGULAR
Package form	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	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	-	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	225	225	225	NOT SPECIFIED	225	-	225	225
Certification status	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	-	1.2 mm	1.2 mm	1.2 mm	0.8 mm	0.8 mm	-	1.2 mm	0.8 mm
surface mount	YES	-	YES	YES	YES	YES	YES	-	YES	YES
Switch configuration	PUSH-PULL	-	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL	-	PUSH-PULL	PUSH-PULL
Maximum switching frequency	2000 kHz	-	2000 kHz	2000 kHz	2000 kHz	2000 kHz	2000 kHz	-	2000 kHz	2000 kHz
technology	CMOS	-	CMOS	CMOS	CMOS	CMOS	CMOS	-	CMOS	CMOS
Temperature level	AUTOMOTIVE	-	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	-	AUTOMOTIVE	AUTOMOTIVE
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	NO LEAD	-	GULL WING	GULL WING	GULL WING	NO LEAD	NO LEAD	-	GULL WING	NO LEAD
Terminal pitch	0.5 mm	-	0.65 mm	0.65 mm	0.65 mm	0.5 mm	0.5 mm	-	0.65 mm	0.5 mm
Terminal location	QUAD	-	DUAL	DUAL	DUAL	QUAD	QUAD	-	DUAL	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED
width	3 mm	-	4.4 mm	4.4 mm	4.4 mm	3 mm	3 mm	-	4.4 mm	3 mm

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Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

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