Datasheet Linear Technology LTC3544B

Manufacturer	Linear Technology
Series	LTC3544B

Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA

Datasheets

PDF, 300 Kb, Language: en, File uploaded: Sep 21, 2017, Pages: 18
Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA

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	LTC3544BEUD#PBF	LTC3544BEUD#TRPBF
N	1	2
Package	3x3 QFN-16 Package Outline Drawing	3x3 QFN-16 Package Outline Drawing
Package Code	UD	UD
Package Index	05-08-1691	05-08-1691
Pin Count	16	16

Parameters / Models	LTC3544BEUD#PBF	LTC3544BEUD#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1040A-B	DC1040A-B
Design Tools	LTspice Model	LTspice Model
Export Control	no	no
Features	100% Duty Cycle	100% Duty Cycle
Frequency, kHz	2250	2250
Integrated Inductor	no	no
Ishutdown, µA	0.1	0.1
Isupply, mA	0.825	0.825
Max Phases	1	1
Monolithic	yes	yes
Number of Outputs	4	4
Operating Temperature Range, °C	0 to 85	0 to 85
Output Current, A	0.3	0.3
Output Current 2, A	0.2	0.2
Output Current 3, A	0.2	0.2
Polyphase	no	no
Switch Current, A	0.6	0.6
Switch Current 2, A	0.4	0.4
Switch Current 3, A	0.4	0.4
Synchronous	yes	yes
Topology	Buck	Buck
Topology 1	Buck	Buck
Topology 2	Buck	Buck
Topology 3	Buck	Buck
Vin Max, V	5.5	5.5
Vin Min, V	2.25	2.25
Vout Max, V	5.5	5.5
Vout Max 2, V	5.5	5.5
Vout Max 3, V	5.5	5.5
Vout Maximum	Vin	Vin
Vout Min, V	0.8	0.8
Vout Min 2, V	0.8	0.8
Vout Min 3, V	0.8	0.8
Vref Accuracy Over Temp, %	2	2

	LTC3544BEUD#PBF	LTC3544BEUD#TRPBF
RoHS	Compliant	Compliant

Series: LTC3544B (2)

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