Datasheet Linear Technology LTC2921

Manufacturer	Linear Technology
Series	LTC2921

Power Supply Tracker with Input Monitors

Datasheets

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PDF, 324 Kb, Revision: A, File uploaded: Oct 25, 2017

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Prices

Packaging

	LTC2921CGN#PBF	LTC2921CGN#TRPBF	LTC2921CGN-2.5#PBF	LTC2921CGN-2.5#TRPBF	LTC2921CGN-3.3#PBF	LTC2921CGN-3.3#TRPBF	LTC2921IGN#PBF	LTC2921IGN#TRPBF	LTC2921IGN-2.5#PBF	LTC2921IGN-2.5#TRPBF	LTC2921IGN-3.3#PBF	LTC2921IGN-3.3#TRPBF
N	1	2	3	4	5	6	7	8	9	10	11	12
Package	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing
Package Code	GN	GN	GN	GN	GN	GN	GN	GN	GN	GN	GN	GN
Package Index	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1641 (GN16)
Pin Count	16	16	16	16	16	16	16	16	16	16	16	16

Parametrics

Parameters / Models	LTC2921CGN#PBF	LTC2921CGN#TRPBF	LTC2921CGN-2.5#PBF	LTC2921CGN-2.5#TRPBF	LTC2921CGN-3.3#PBF	LTC2921CGN-3.3#TRPBF	LTC2921IGN#PBF	LTC2921IGN#TRPBF	LTC2921IGN-2.5#PBF	LTC2921IGN-2.5#TRPBF	LTC2921IGN-3.3#PBF	LTC2921IGN-3.3#TRPBF
Circuit Breakers	1	1	1	1	1	1	1	1	1	1	1	1
DC/DC Feedback Node Tracking	no	no	no	no	no	no	no	no	no	no	no	no
Design Tools	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model
Export Control	no	no	no	no	no	no	no	no	no	no	no	no
Features	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking	Tracking
Input Monitors	5	5	5	5	5	5	5	5	5	5	5	5
Isupply, mA	2	2	2	2	2	2	2	2	2	2	2	2
Max Controlled Voltage	12V	12V	12V	12V	12V	12V	12V	12V	12V	12V	12V	12V
Number of Supplies	5	5	5	5	5	5	5	5	5	5	5	5
Operating Temperature Range, °C	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Power Good Output	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Sequencing	no	no	no	no	no	no	no	no	no	no	no	no
Series FETs Tracking	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Supply Voltage Range	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V	2.5V, 3.3V or 5V
Total Supplies	5	5	5	5	5	5	5	5	5	5	5	5
Tracking	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Up/Down	Up only	Up only	Up only	Up only	Up only	Up only	Up only	Up only	Up only	Up only	Up only	Up only

Eco Plan

	LTC2921CGN#PBF	LTC2921CGN#TRPBF	LTC2921CGN-2.5#PBF	LTC2921CGN-2.5#TRPBF	LTC2921CGN-3.3#PBF	LTC2921CGN-3.3#TRPBF	LTC2921IGN#PBF	LTC2921IGN#TRPBF	LTC2921IGN-2.5#PBF	LTC2921IGN-2.5#TRPBF	LTC2921IGN-3.3#PBF	LTC2921IGN-3.3#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Other Options

LTC2922

Articles

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Dual 500mA µPower LDO Features Independent 1.8V-20V Inputs and Easy Sequencing in a 4mm × 3mm DFN &mdash LT Journal
PDF, 312 Kb, File published: Apr 1, 2010
Extract from the document
design ideas Dual 500mA ВµPower LDO Features Independent 1.8VвЂ“20V
Inputs and Easy Sequencing in a 4mm Г— 3mm DFN
Molly Zhu The LT3029 integrates
two independent 500mA
monolithic LDOs in a
tiny 16-lead MSOP or
4mm Г— 3mm Г— 0.75mm DFN
package. Both regulators
have a wide 1.8V to 20V
input voltage range with
a 300mV dropout voltage
at full load. The output
voltage is adjustable down
to the 1.215V reference
voltage. With an external
bypass capacitor, the
output voltage noise is less
than 20ВµVRMS. A complete
power supply requires only
a minimum 3.3ВµF ceramic
output capacitor for each
channel to be stable.
Quiescent current is 55ВµA per channel, dropping below 1ВµA in shutdown. …
Download
Single Device Tracks and Monitors Five Supplies &mdash LT Journal
PDF, 254 Kb, File published: May 1, 2004
Extract from the document
LINEAR TECHNOLOGY MAY 2004 IN THIS ISSUEвЂ¦
COVER ARTICLE
Single Device Tracks
and Monitors Five Supplies . 1 VOLUME XIV NUMBER 2 Single Device Tracks and
Monitors Five Supplies
by Thomas DiGiacomo Thomas DiGiacomo Issue Highlights . 2
LTC in the NewsвЂ¦. 2
DESIGN FEATURES
Zero-Drift Operational Amplifiers
Improve Performance
and Save Power . 6
Brendan Whelan USB Power Controller/Charger
Reduces Both Design Time
and Battery Charge Time . 8
Roger Zemke An Accurate Battery Gas Gauge. 11
James Herr Tiny Device Drives 20 White LEDs
from a Single Cell Li-Ion Battery
. 13
Gurjit Thandi Fully Differential
Gain-Block Family
Simplifies Interface Designs. 16
Jon Munson Triple Output LCD Power Supply
Delivers 95% Efficiency from a …

Model Line

Series: LTC2921 (12)

LTC2921CGN#PBF LTC2921CGN#TRPBF LTC2921CGN-2.5#PBF LTC2921CGN-2.5#TRPBF LTC2921CGN-3.3#PBF LTC2921CGN-3.3#TRPBF LTC2921IGN#PBF LTC2921IGN#TRPBF LTC2921IGN-2.5#PBF LTC2921IGN-2.5#TRPBF LTC2921IGN-3.3#PBF LTC2921IGN-3.3#TRPBF

Manufacturer's Classification

Monitor, Control and Protection > Sequencers, Trackers, and Margining Controllers
Monitor, Control and Protection > Sequencers, Trackers, and Margining Controllers > Tracking Controllers