LT3582EDD-12#PBF datasheet, PDF

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LT3582EDD-12#PBF: DescriptionOutput current: - Switching operating frequency: - Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up Output configuration: Positive and Negative (Dual Rail) Boost and Negative (Dual Rail) with optional I2C programming and OTP functions Single Inductor Negative Output DC/DC Converter; CategoryPower/power management DC - DC chip; File Size312KB，28 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT3582EDD-12#PBF Overview

Output current: - Switching operating frequency: - Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up Output configuration: Positive and Negative (Dual Rail) Boost and Negative (Dual Rail) with optional I2C programming and OTP functions Single Inductor Negative Output DC/DC Converter

LT3582EDD-12#PBF Parametric

Parameter Name	Attribute value
Output voltage (minimum/fixed)	-12V
Output voltage (maximum)	12V
Can output current	-
Switching operating frequency	-
Output type	Adjustable
Number of output voltage channels	1
Minimum input voltage	2.55V
Maximum input voltage	5.5V
Power topology	Boost
Synchronous rectification or not	-
Function type	Step-Up
Output configuration	Positive and Negative (Dual Rail)

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FEATURES

LT3582/LT3582-5/LT3582-12

Boost and Single Inductor

Inverting DC/DC Converters with

Optional I

C Programing and OTP

DESCRIPTION

The LT

3582/LT3582-5/LT3582-12 are dual DC/DC converters

featuring positive and negative outputs and integrated feedback

resistors. The LT3582, with its built-in One Time Programming

(OTP), has conﬁgurable output settings via the I

C interface,

including output voltage settings, power-up sequencing,

power-down discharge, and output voltage ramp rates. LT3582

settings can be changed adaptively in the ﬁnal product, or set

during manufacturing and made permanent using the built in

non-volatile OTP memory. The positive output voltage can be

set between 3.2V and 12.775V in 25mV steps. The negative

output voltage can be set between –1.2V and –13.95V in

–50mV steps. The LT3582-5 and LT3582-12 are pre-conﬁgured

at the factory for ±5V and ±12V outputs respectively, and as

such, don’t require the use of the I

C interface.

The LT3582 series includes two monolithic converters,

one Boost and one Inverting. The Boost converter has an

integrated power switch and output disconnect switch.

The Inverting converter uses a single inductor topology

and includes an integrated power switch. Both Boost

and Inverting converters use a novel** control scheme

resulting in low output voltage ripple while allowing for high

conversion efﬁciency over a wide load current range. The

LT3582 series is available in a 16-pin 3mm

3mm QFN.

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

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

* Input thresholds are reduced to allow communication with low voltage digital ICs.

(See Electrical Characteristics).

** Patent Pending

Output Voltages:

3.2V to 12.775V and –1.2V to –13.95V (LT3582)

5V and –5V (LT3582-5)

12V and –12V (LT3582-12)

Digitally Re-Programmable (LT3582) via I

C for:

Output Voltages

Power Sequencing

Output Voltage Ramp Rates

Power-Up Defaults Settable with Non-Volatile OTP

(LT3582)

C Compatible Interface (Standard Mode*)

All Power Switches Integrated

350mA Current Limit (Boost)

600mA Current Limit (Inverting)

All Feedback Resistors Integrated

Input Voltage Range: 2.55V to 5.5V

Low Quiescent Current

325μA in Active Mode

0.01μA in Shutdown Mode

Integrated Output Disconnect

Tiny 16-Pin 3mm

3mm QFN Package

AMOLED Power

CCD Power

General Purpose DC/DC Conversion

APPLICATIONS

TYPICAL APPLICATION

±12V Supplies from a Single 5V Input

SWN

6.8μH

SWN

SHDN

SWP

GND

LT3582

1μF

4.7μF

EFFICIENCY (%)

150

0.1

LOAD CURRENT (mA)

100

3582512 TA01b

Efﬁciency and Power Loss

6.8μH

INPUT

4.5V TO 5.5V

OUTP

OUTN

350

300

250

200

POWER LOSS (mW)

NEG

–12V

85mA

10μF

OUTN

SDA

SCL

10nF

CAPP

OUTP

RAMPP RAMPN

10nF

3582512 TA01a

INTERFACE

OPTIONAL ON

LT3582-5/LT3582-12

POS

12V

80mA

4.7μF

3582512fb

LT3582EDD-12#PBF Related Products

	LT3582EDD-12#PBF	LT3582EUD#PBF	LT3582EUD-12#PBF	LT3582EUD#TRPBF	LT3582EUD-12#TRPBF	LT3582EUD-5#TRPBF	LT3582EUD-5#PBF
Description	Output current: - Switching operating frequency: - Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Up Output configuration: Positive and Negative (Dual Rail) Boost and Negative (Dual Rail) with optional I2C programming and OTP functions Single Inductor Negative Output DC/DC Converter	IC REG BUCK BST INV ADJ DL 16QFN	IC REG BUCK BST INV +/-12V 16QFN	IC REG BUCK BST INV ADJ DL 16QFN	IC REG BUCK BST INV +/-12V 16QFN	IC REG BUCK BST INV +/-5V 16QFN	IC REG BUCK BST INV +/-5V 16QFN
Minimum input voltage	2.55V	2.55 V	2.55 V	2.55 V	2.55 V	2.55 V	2.55 V
Maximum input voltage	5.5V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Brand Name	-	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
Maker	-	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	-	QFN	QFN	QFN	QFN	QFN	QFN
package instruction	-	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20	HVQCCN, LCC16,.12SQ,20
Contacts	-	16	16	16	16	16	16
Manufacturer packaging code	-	UD	UD	UD	UD	UD	UD
Reach Compliance Code	-	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	-	ALSO OPERATES IN ADJUSTABLE MODE FROM 3.2V TO 12.775V; -1.2V TO -13.95V	ALSO OPERATES IN ADJUSTABLE MODE FROM 4.95V TO 5.05V; -5.075V TO -4.925V; ALSO OPERATES AT -12V	ALSO OPERATES IN ADJUSTABLE MODE FROM 3.2V TO 12.775V; -1.2V TO -13.95V	ALSO OPERATES IN ADJUSTABLE MODE FROM 4.95V TO 5.05V; -5.075V TO -4.925V; ALSO OPERATES AT -12V	ALSO OPERATES IN ADJUSTABLE MODE FROM 4.95V TO 5.05V; -5.075V TO -4.925V; ALSO OPERATES AT -5V	ALSO OPERATES IN ADJUSTABLE MODE FROM 4.95V TO 5.05V; -5.075V TO -4.925V; ALSO OPERATES AT -5V
Analog Integrated Circuits - Other Types	-	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR
control mode	-	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE
Nominal input voltage	-	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
JESD-30 code	-	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16	S-PQCC-N16
JESD-609 code	-	e3	e3	e3	e3	e3	e3
length	-	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Humidity sensitivity level	-	1	1	1	1	1	1
Number of functions	-	2	2	2	2	2	2
Number of terminals	-	16	16	16	16	16	16
Maximum operating temperature	-	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Maximum output current	-	0.72 A	0.72 A	0.72 A	0.72 A	0.72 A	0.72 A
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN
Encapsulate equivalent code	-	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20	LCC16,.12SQ,20
Package shape	-	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	-	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	-	260	260	260	260	260	260
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm
surface mount	-	YES	YES	YES	YES	YES	YES
Switch configuration	-	BOOST	BOOST	BOOST	BOOST	BOOST	BOOST
technology	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Temperature level	-	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER
Terminal surface	-	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	-	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	-	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	-	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	-	30	30	30	30	30	30
width	-	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Nominal output voltage	-	-	12 V	-	12 V	5 V	5 V

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