Datasheet Linear Technology LTC3545 — Datenblatt

Hersteller	Linear Technology
Serie	LTC3545

Dreifacher synchroner 800-mA-Abwärtsregler - 2,25 MHz

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PDF, 305 Kb, Sprache: en, Datei hochgeladen: Sep 21, 2017, Seiten: 20
Triple 800mA Synchronous Step-Down Regulator - 2.25MHz

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Verpackung

	LTC3545EUD#PBF	LTC3545EUD#TRPBF	LTC3545IUD#PBF	LTC3545IUD#TRPBF
N	1	2	3	4
Package	3x3 QFN-16 Paketumrisszeichnung	3x3 QFN-16 Paketumrisszeichnung	3x3 QFN-16 Paketumrisszeichnung	3x3 QFN-16 Paketumrisszeichnung
Package Code	UD	UD	UD	UD
Package Index	05-08-1700	05-08-1700	05-08-1700	05-08-1700
Pin Count	16	16	16	16

Parameter

Parameters / Models	LTC3545EUD#PBF	LTC3545EUD#TRPBF	LTC3545IUD#PBF	LTC3545IUD#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1193A-A,DC1193A-B	DC1193A-A,DC1193A-B	DC1193A-A,DC1193A-B	DC1193A-A,DC1193A-B
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File
Export Control	no	no	no	no
Features	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle	Burst Mode, External Synchronization, Power Good, 100% Duty Cycle
Frequency, kHz	2250	2250	2250	2250
Frequency Sync Range	1MHz - 3MHz	1MHz - 3MHz	1MHz - 3MHz	1MHz - 3MHz
Integrated Inductor	no	no	no	no
Ishutdown, µA	0.1	0.1	0.1	0.1
Isupply, mA	0.058	0.058	0.058	0.058
Max Phases	1	1	1	1
Monolithic	yes	yes	yes	yes
Number of Outputs	3	3	3	3
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 85	-40 to 85
Output Current, A	0.8	0.8	0.8	0.8
Output Current 2, A	0.8	0.8	0.8	0.8
Output Current 3, A	.8	.8	.8	.8
Polyphase	no	no	no	no
Switch Current, A	1.3	1.3	1.3	1.3
Switch Current 2, A	1.3	1.3	1.3	1.3
Switch Current 3, A	1.3	1.3	1.3	1.3
Synchronous	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck
Topology 1	Buck	Buck	Buck	Buck
Topology 2	Buck	Buck	Buck	Buck
Topology 3	Buck	Buck	Buck	Buck
Vin Max, V	5.5	5.5	5.5	5.5
Vin Min, V	2.25	2.25	2.25	2.25
Vout Max, V	5.5	5.5	5.5	5.5
Vout Max 2, V	5.5	5.5	5.5	5.5
Vout Max 3, V	5.5	5.5	5.5	5.5
Vout Maximum	Vin	Vin	Vin	Vin
Vout Min, V	0.6	0.6	0.6	0.6
Vout Min 2, V	0.6	0.6	0.6	0.6
Vout Min 3, V	0.6	0.6	0.6	0.6
Vref Accuracy Over Temp, %	2	2	2	2

Öko-Plan

	LTC3545EUD#PBF	LTC3545EUD#TRPBF	LTC3545IUD#PBF	LTC3545IUD#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

Andere Optionen

LTC3545-1 LTC3545-1

Modellreihe

Serie: LTC3545 (4)

LTC3545EUD#PBF LTC3545EUD#TRPBF LTC3545IUD#PBF LTC3545IUD#TRPBF

Herstellerklassifikation

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | Multiple Output Buck | Micropower Buck Regulators