Datasheet Linear Technology LTC3834

Manufacturer	Linear Technology
Series	LTC3834

30µA I_Q Synchronous Step-Down Controller

Datasheets

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PDF, 793 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 30
30μA IQ Synchronous Step-Down Controller

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Prices

Packaging

	LTC3834EFE#PBF	LTC3834EFE#TRPBF	LTC3834EUFD#PBF	LTC3834EUFD#TRPBF	LTC3834IFE#PBF	LTC3834IFE#TRPBF	LTC3834IUFD#PBF	LTC3834IUFD#TRPBF
N	1	2	3	4	5	6	7	8
Package	TSSOP-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing	4x5 QFN-20 Package Outline Drawing	4x5 QFN-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing	4x5 QFN-20 Package Outline Drawing	4x5 QFN-20 Package Outline Drawing
Package Code	FE	FE	UFD	UFD	FE	FE	UFD	UFD
Package Index	05-08-1663 (CB)	05-08-1663 (CB)	05-08-1711	05-08-1711	05-08-1663 (CB)	05-08-1663 (CB)	05-08-1711	05-08-1711
Pin Count	20	20	20	20	20	20	20	20

Parametrics

Parameters / Models	LTC3834EFE#PBF	LTC3834EFE#TRPBF	LTC3834EUFD#PBF	LTC3834EUFD#TRPBF	LTC3834IFE#PBF	LTC3834IFE#TRPBF	LTC3834IUFD#PBF	LTC3834IUFD#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1344A	DC1344A	DC1344A	DC1344A	DC1344A	DC1344A	DC1344A	DC1344A
Design Tools	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
Features	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase	Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase
Frequency, kHz	650	650	650	650	650	650	650	650
Frequency Sync Range	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz	140kHz - 650kHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	4	4	4	4	4	4	4	4
Isupply, mA	.03	.03	.03	.03	.03	.03	.03	.03
Max Phases	1, 2	1, 2	1, 2	1, 2	1, 2	1, 2	1, 2	1, 2
Monolithic	no	no	no	no	no	no	no	no
Number of Outputs	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	25	25	25	25	25	25	25	25
Polyphase	yes	yes	yes	yes	yes	yes	yes	yes
Sense Resistor	Rsense	Rsense	Rsense	Rsense	Rsense	Rsense	Rsense	Rsense
Switch Current, A	25	25	25	25	25	25	25	25
Synchronous	yes	yes	yes	yes	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	36	36	36	36	36	36	36	36
Vin Min, V	4	4	4	4	4	4	4	4
Vout Max, V	5	5	5	5	5	5	5	5
Vout Maximum	5V	5V	5V	5V	5V	5V	5V	5V
Vout Min, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vref Accuracy Over Temp, %	1	1	1	1	1	1	1	1

Eco Plan

	LTC3834EFE#PBF	LTC3834EFE#TRPBF	LTC3834EUFD#PBF	LTC3834EUFD#TRPBF	LTC3834IFE#PBF	LTC3834IFE#TRPBF	LTC3834IUFD#PBF	LTC3834IUFD#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Model Line

Series: LTC3834 (8)

LTC3834EFE#PBF LTC3834EFE#TRPBF LTC3834EUFD#PBF LTC3834EUFD#TRPBF LTC3834IFE#PBF LTC3834IFE#TRPBF LTC3834IUFD#PBF LTC3834IUFD#TRPBF

Manufacturer's Classification

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | External Power Switch Buck Controllers