Micropower Buck Regulators Try our new parametric tables

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	Number of Outputs	Vin Min	Vin Max	Output Current	Isupply	Monolithic	Synchronous	Packages
Units		V	V	A	µA	yes/no	yes/no
Selection (hold Ctrl key to select multiple, hold Shift key to select range)

LT8630	1	3	100	0.6	16	yes	yes	TSSOP-20
LT8606	1	3	42	0.35	1.7	yes	yes	MS-10, DFN-8
LT8607	1	3	42	0.75	1.7	yes	yes	MS-10, DFN-8
LTC3374A	8	2.25	5.5	1	45	yes	yes	5x7 QFN-38,TSSOP-38
LT8610AX	1	3.7	42	3.5	26	yes	yes	MS-16E
LT8608	1	3	42	1.5	1.7	yes	yes	MS-10E
LTC3895	1	4	140	10	40	no	yes	TSSOP-38
LTC7813	2	2.2	60	20	34	no	yes	5x5 QFN-32
LT8641	1	3	65	3.5	2.5	yes	yes	3x4 QFN-18
LT8601	3	3	42	2.5	30	yes	yes	6x6 QFN-40
LTC7812	2	2.5	38	20	33	no	yes	5x5 QFN-32
LT8602	4	3	42	2.5	30	yes	yes	6x6 QFN-40
LT8631	1	3	100	1	3.6	yes	yes	TSSOP-20
LT8616	2	3.4	42	2.5	3	yes	yes	3x6 QFN-28,TSSOP-28
LTC3892 (single output)	1	4.5	60	30	34	no	yes	5x5 QFN-32
LTC3892-2	2	4.5	60	25	34	no	yes	5x5 QFN-32
LTC3892 (dual output)	2	4.5	60	15	34	no	yes	5x5 QFN-32
LTC3892-1	2	4.5	60	25	34	no	yes	TSSOP-28
LTC3899	3	4.5	60	15	39	no	yes	5x7 QFN-38,TSSOP-38
LTC7138	1	4	140	0.4	12	yes	no	MS-16E
LT8640	1	3.4	42	5	1.7	yes	yes	3x4 QFN-18
LT8613	1	3.4	42	6	1.7	yes	yes	3x6 QFN-28
LT8609	1	3	42	2	2.5	yes	yes	MS-10E
LT8610AC	1	3	42	3.5	17	yes	yes	MS-16E
LTC3807	1	4	38	25	50	no	yes	3x4 QFN-20,TSSOP-20
LTC3622	2	2.7	17	1	5	yes	yes	4x3 DFN-14,MS-16
LT8620	1	3.4	65	2	2.5	yes	yes	3x5 QFN-24,MS-16E
LT3840	1	2.5	60	20	20	no	yes	4x6 QFN-38,TSSOP-28
LTC3624	1	2.7	17	2	3.5	yes	yes	3x3 DFN-8,MS-12E
LTC3638	1	4	140	0.25	12	yes	no	MS-16E
LTC3637	1	4	76	1	12	yes	no	5x3 DFN-16,MS-16E
LT8612	1	3.4	42	6	3	yes	yes	3x6 QFN-28
LT8610A	1	3.4	42	3.5	2.5	yes	yes	MS-16E
LT8610AB	1	3.4	42	3.5	2.5	yes	yes	MS-16E
LTC3607	2	4.5	15	0.6	35	yes	yes	3x3 QFN-16,MS-16E
LTM8050	1	3.6	58	2	35	yes	no	15mm x 9mm x 4.92mm BGA
LT8614	1	3.4	42	4	1.7	yes	yes	3x4 QFN-18
LTC3630A	1	4	76	0.5	12	yes	yes	5x3 DFN-16,MS-16E
LTC3374	8	2.25	5.5	1	200	yes	yes	5x7 QFN-38,TSSOP-38
LT3995	1	4.3	60	3	1.6	yes	no	MS-16E
LTC3639	1	4	150	0.1	12	yes	yes	MS-16E
LTC3621	1	2.7	17	1	3.5	yes	yes	2x3 DFN-6,MS-8
LTC3859AL	3	4.5	38	25	55	no	yes	5x7 QFN-38,TSSOP-38
LTC3890-3	2	4	60	15	50	no	yes	SSOP-28
LTC3375	8	2.25	5.5	1	18	yes	yes	7x7 QFN-48
LTC3890-2	2	4	60	15	50	no	yes	5x5 QFN-32
LTC3864	1	3.5	60	5	40	no	no	4x3 DFN-12,MS-12E
LT3976	1	4.3	40	5	1.6	yes	no	3x5 QFN-24,MS-16E
LT3975	1	4	42	2.5	1.6	yes	no	MS-16E
LT8610	1	3.4	42	2.5	2.4	yes	yes	MS-16E
LT8611	1	3.4	42	2.5	2.4	yes	yes	3x5 QFN-24
LTC3630	1	4	65	0.5	12	yes	yes	5x3 DFN-16,MS-16E
LTM8029	1	4.5	36	0.6	5	yes	no	11.25mm x 6.25mm 3.42mm BGA
LT3971A	1	4.3	38	1.3	1.7	yes	no	MS-10E
LT3971A-5	1	4.3	38	1.3	1.7	yes	no	MS-10E
LTC3104	2	2.5	15	0.3	2.6	yes	yes	4x3 DFN-14,MS-16E
LTC3103	1	2.5	15	0.3	1.8	yes	yes	3x3 DFN-10,MS-10E
LT3973	1	4.2	42	0.75	2.5	yes	no	3x3 DFN-10,MS-10E
LT3690	1	3.9	36	4	70	yes	yes	4x6 QFN-26
LT3688	2	3.8	36	0.8	65	yes	no	4x4 QFN-24,TSSOP-24
LTC3891	1	4	60	15	50	no	yes	3x4 QFN-20,TSSOP-20
LTC3388	1	2.7	20	0.05	0.72	yes	yes	3x3 DFN-10,MS-10E
LTM8033	1	3.6	36	3	75	yes	no	15mm × 11.25mm × 4.32mm LGA,15mm x 11.25mm x 4.92mm BGA
LTC3615	2	2.25	5.5	3	130	yes	yes	4x4 QFN-24,TSSOP-24
LTC3614	1	2.25	5.5	4	75	yes	yes	3x5 QFN-24
LTC3890-1	2	4	60	15	60	no	yes	SSOP-28
LTC3890	2	4	60	15	60	no	yes	5x5 QFN-32
LTC3616	1	2.25	5.5	6	75	yes	yes	3x5 QFN-24
LT3990	1	4	60	0.35	1.7	yes	no	3x3 DFN-10,MS-16E
LT3991	1	4.3	55	1.2	1.7	yes	no	3x3 DFN-10,MS-10E
LT3971-5	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E
LT3971-3.3	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E
LT3971	1	4.3	38	1.2	1.7	yes	no	3x3 DFN-10,MS-10E,MS-16E
LTM8031	1	3.6	36	1	60	yes	no	15mm × 9mm × 2.82mm LGA
LTC3619	2	2.5	5.5	0.8	50	yes	yes	3x3 DFN-10,MS-10E
LT3980	1	3.6	58	2	35	yes	no	4x3 DFN-14,MS-16E
LT3970	1	4.2	40	0.35	1.7	yes	no	3x2 DFN-10,MS-10
LTC3620	1	2.9	5.5	0.015	18	yes	yes	2x2 DFN-8
LT3695	1	3.6	36	1	75	yes	no	MS-16E
LTC3612	1	2.25	5.5	3	70	yes	yes	3x4 QFN-20,TSSOP-20
LTC3857-1	2	4	38	25	50	no	yes	SSOP-28
LT3689	1	3.4	38	0.7	50	yes	no	3x3 QFN-16,MS-16E
LTC3868	2	4	24	25	170	no	yes	5x5 QFN-32
LTC3868-1	2	4	24	25	170	no	yes	4x5 QFN-28,SSOP-28
LTC3857	2	4	38	25	50	no	yes	5x5 QFN-32
LT3689-5	1	3.4	38	0.7	50	yes	no	3x3 QFN-16,MS-16E
LTC3632	1	4.5	50	0.02	12	yes	yes	3x3 DFN-8,MS-8
LTC3631	1	4.5	45	0.1	12	yes	yes	3x3 DFN-8,MS-8
LTM8032	1	3.6	36	2	25	yes	no	15mm × 9mm × 2.82mm LGA,15mm x 9mm x 3.42mm BGA
LTC3603	1	4.5	15	2.5	75	yes	yes	4x4 QFN-20,MS-16E
LTC3565	1	2.5	5.5	1.25	40	yes	yes	3x3 DFN-10,MS-10E
LTC3569	3	2.5	5.5	1.2	22	yes	yes	3x3 QFN-20,3x4 QFN-20,TSSOP-16
LT3682	1	3.6	36	1	75	yes	no	3x3 DFN-12
LTC3642	1	4.5	45	0.05	12	yes	yes	3x3 DFN-8,MS-8
LT3972	1	3.6	33	3.5	30	yes	no	3x3 DFN-10,MS-10E
LTC3564	1	2.5	5.5	1.25	20	yes	yes	2x3 DFN-6,SOT-23
LTC3100	3	0.65	5	0.25	15	yes	yes	3x3 QFN-16
LTC3602	1	4.5	10	2.5	75	yes	yes	4x4 QFN-20,TSSOP-16
LTC3670	3	2.5	5.5	0.4	70	yes	yes	3x2 DFN-12
LTC3545	3	2.25	5.5	0.8	58	yes	yes	3x3 QFN-16
LTC3834-1	1	4	36	25	30	no	yes	5x3 DFN-16,SSOP-16
LTC3834	1	4	36	25	30	no	yes	4x5 QFN-20,TSSOP-20
LTM8020	1	4	36	0.2	10	yes	no	6.25mm x 6.25mm x 2.32mm LGA
LTC3520	2	2.2	5.5	1	55	yes	yes	4x4 QFN-24
LTC3562	4	2.85	5.5	0.6	24	yes	yes	3x3 QFN-20
LT3680	1	3.6	36	3.5	30	yes	no	3x3 DFN-10,MS-10E
LTC3826-1	2	4	36	25	30	no	yes	SSOP-28
LTC3826	2	4	36	25	30	no	yes	5x5 QFN-32
LT3681	1	3.6	36	2	50	yes	no	4x3 DFN-14
LTC3544	4	2.25	5.5	0.3	70	yes	yes	3x3 QFN-16
LTC3522	2	2.4	5.5	0.4	25	yes	yes	3x3 QFN-16
LTC3568	1	2.5	5.5	1.8	62	yes	yes	3x3 DFN-10
LTC3419	2	2.5	5.5	0.6	35	yes	yes	3x3 DFN-8,MS-10
LT3480	1	3.6	36	2	70	yes	no	3x3 DFN-10,MS-10E
LTC3563	1	2.5	5.5	0.5	26	yes	yes	2x2 DFN-6
LTC3543	1	2.5	5.5	0.6	45	yes	yes	2x3 DFN-6
LTC3560	1	2.5	5.5	0.8	16	yes	yes	SOT-23
LTC3542	1	2.5	5.5	0.5	26	yes	yes	2x2 DFN-6,SOT-23
LTC3549	1	1.6	5.5	0.25	50	yes	yes	2x3 DFN-6
LTC3547	2	2.5	5.5	0.3	40	yes	yes	3x2 DFN-8
LTC3446	3	2.7	5.5	1	50	yes	yes	4x3 DFN-14
LTC3835-1	1	4	36	20	80	no	yes	5x3 DFN-16,SSOP-16
LTC3835	1	4	36	20	80	no	yes	4x5 QFN-20,TSSOP-20
LT3481	1	3.6	36	2	50	yes	no	3x3 DFN-10,MS-10E
LTC3824	1	4	60	5	40	no	no	MS-10E
LTC3410-1.875	1	2.5	5.5	0.3	26	yes	yes	SC-70
LTC3410	1	2.5	5.5	0.3	26	yes	yes	SC-70
LTC3827	2	4	36	25	80	no	yes	5x5 QFN-32
LTC3827-1	2	4	36	25	80	no	yes	SSOP-28
LTC3417A	2	2.25	5.5	1.5	125	yes	yes	5x3 DFN-16,TSSOP-20
LTC3417A-2	2	2.25	5.5	1.5	125	yes	yes	5x3 DFN-16,TSSOP-20
LT3435	1	3.3	60	2.4	100	yes	no	TSSOP-16
LT3437	1	3.3	60	0.4	75	yes	no	3x3 DFN-10,TSSOP-16
LTC3447	1	2.5	5.5	0.6	33	yes	yes	3x3 DFN-10
LTC3448	1	2.5	5.5	0.6	32	yes	yes	3x3 DFN-8,MS-8
LTC3772	1	2.75	9.8	5	40	no	no	3x2 DFN-8,SOT-23
LTC3548-2	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10
LTC3548A	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E
LTC3548-1	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,3x3 UTDFN-10
LTC3409	1	1.6	5.5	0.6	65	yes	yes	3x3 DFN-8
LTC3409A	1	1.6	5.5	0.6	65	yes	yes	3x3 DFN-8
LT3470	1	4	40	0.2	25	yes	no	3x2 DFN-8,SOT-23
LT3470A	1	4	40	0.25	40	yes	no	3x2 DFN-8
LT3434	1	3.3	60	2.4	100	yes	no	TSSOP-16
LT1977	1	3.3	60	1.24	100	yes	no	TSSOP-16
LT1976	1	3.3	60	1.24	100	yes	no	TSSOP-16
LTC3801	1	2.5	9.8	5	16	no	no	SOT-23
LT3433	1	4	60	0.4	100	yes	no	TSSOP-16
LTC3407-4	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E
LTC3407A-2	2	2.5	5.5	0.8	40	yes	yes	3x3 DFN-10,MS-10E
LTC3407A	2	2.5	5.5	0.6	100	yes	yes	3x3 DFN-10,MS-10E
LTC3407-3	2	3.3	5.5	0.8	40	yes	yes	3x3 DFN-10
LTC3414	1	2.3	5.5	4	64	yes	yes	TSSOP-20
LTC3403	1	2.5	5	0.6	20	yes	yes	3x3 DFN-8
LT1934	1	3.2	34	0.3	12	yes	no	2x3 DFN-6,SOT-23
LT1934-1	1	3.2	34	0.3	12	yes	no	2x3 DFN-6,SOT-23
LTC3412A	1	2.25	5.5	3	64	yes	yes	4x4 QFN-16,TSSOP-16
LTC3406A	1	2.5	5.5	0.6	20	yes	yes	SOT-23
LTC3406-1.5	1	2.5	5.5	0.6	20	yes	yes	SOT-23
LTC3406-1.2	1	2.5	5.5	0.6	20	yes	yes	SOT-23
LTC3406-1.8	1	2.5	5.5	0.6	20	yes	yes	SOT-23
LTC3411A	1	2.5	5.5	1.25	40	yes	yes	3x3 DFN-10,MS-10
LTC1879	1	2.65	10	1.2	15	yes	yes	SSOP-16
LTC1875	1	2.65	6	1.5	15	yes	yes	SSOP-16
LTC3405A-1.8	1	2.65	5.5	0.3	20	yes	yes	SOT-23
LTC3405A-1.5	1	2.65	5.5	0.3	20	yes	yes	SOT-23
LTC3405A	1	2.65	5.5	0.3	20	yes	yes	SOT-23
LTC3405A-1.375	1	2.5	5.5	0.3	20	yes	yes	SOT-23
LTC3404	1	2.65	6	0.6	10	yes	yes	MS-8
LTC1878	1	2.65	6	0.6	10	yes	yes	MS-8
LTC1877	1	2.65	10	0.6	10	yes	yes	MS-8
LTC1771	1	2.8	20	5	10	no	no	MS-8,SO-8

Number of Outputs
Vin Min
Vin Max
Output Current
Isupply
Monolithic
Synchronous
Packages
Comments
Frequency
Vout Min
Vout Max
Features
Ishutdown
Switch Current
Vref Accuracy Over Temp
Frequency Adjust Range
Frequency Sync Range
Architecture
Integrated Inductor
Sense Resistor
Polyphase
Max Phases
Temp Range
Topology
Topology 1
Topology 2
Output Current 2
Vout Min 2
Vout Max 2
Topology 3
Output Current 3
Vout Min 3
Vout Max 3
Topology 4
Output Current 4
Design Tools
Demo Boards
Featured
New
Date Added
Price 1k*
Product Category
Package Area
Package Height
Export Control
Auto & Transport
Terminal Finish

0.65
1.6
2.2
2.25
2.3
2.4
2.5
2.65
2.7
2.75
2.8
2.85
2.9
3
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.2
4.3
4.5

5
5.5
6
9.8
10
15
17
20
24
33
34
36
38
40
42
45
50
55
58
60
65
76
100
140
150

0.015
0.02
0.05
0.1
0.2
0.25
0.3
0.35
0.4
0.5
0.6
0.7
0.75
0.8
1
1.2
1.24
1.25
1.3
1.5
1.8
2
2.4
2.5
3
3.5
4
5
6
10
15
20
25
30

0.72
1.6
1.7
1.8
2.4
2.5
2.6
3
3.5
3.6
5
10
12
15
16
17
18
20
22
24
25
26
30
32
33
34
35
39
40
45
50
55
58
60
62
64
65
70
75
80
100
125
130
170
200

11.25mm x 6.25mm 3.42mm BGA
15mm x 11.25mm x 4.92mm BGA
15mm x 9mm x 3.42mm BGA
15mm x 9mm x 4.92mm BGA
15mm × 11.25mm × 4.32mm LGA
15mm × 9mm × 2.82mm LGA
2x2 DFN-6
2x2 DFN-8
2x3 DFN-6
3x2 DFN-10
3x2 DFN-12
3x2 DFN-8
3x3 DFN-10
3x3 DFN-12
3x3 DFN-8
3x3 QFN-16
3x3 QFN-20
3x3 UTDFN-10
3x4 QFN-18
3x4 QFN-20
3x5 QFN-24
3x6 QFN-28
4x3 DFN-12
4x3 DFN-14
4x4 QFN-16
4x4 QFN-20
4x4 QFN-24
4x5 QFN-20
4x5 QFN-28
4x6 QFN-26
4x6 QFN-38
5x3 DFN-16
5x5 QFN-32
5x7 QFN-38
6.25mm x 6.25mm x 2.32mm LGA
6x6 QFN-40
7x7 QFN-48
DFN-8
MS-10
MS-10E
MS-12E
MS-16
MS-16E
MS-8
SC-70
SO-8
SOT-23
SSOP-16
SSOP-28
TSSOP-16
TSSOP-20
TSSOP-24
TSSOP-28
TSSOP-38