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Step-down (buck) Regulators

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Parametric Search Selector

81 of 81 total products

Part Number
Images
DC/DC Topology
Up
Down
VIN Max (V)
Up
Down
VIN Min (V)
Up
Down
Output Current Max (mA)
Up
Down
Output Voltage (V)
Switching Frequency (MHz)
Up
Down
Quiescent Current (μA)
Up
Down
Shutdown Current (μA)
Enable Logic
Up
Down
Efficiency Max (%)
Up
Down
Package
Up
Down
Features
Status
Sync Buck
5.5
1.8
200
Adj
1.4
0.4
<1
Active High
90
UTDFN-1.5×2-6L
1.4MHz, 200mA Synchronous Buck
Not Recommended for New Designs
Sync Buck
5.5
2.5
600
Adj
6
22
<1
Active High
90
TDFN-2×2-6L
6MHz, 600mA Synchronous Buck
Not Recommended for New Designs
Sync Buck
5.5
2.5
600
Adj (0.7 ~ 3.3)
1.2
0.58
0.01
Active High
92
WLCSP-0.8×1.6-8B
Ultra-Low Quiescent Current, Synchronous Buck
Active
Sync Buck
5.5
2.5
600
Adj (0.7 ~ 3.1)
1.2
0.58
0.01
Active High
92
WLCSP-0.8×1.6-8B
Ultra-Low Quiescent Current, Synchronous Buck
Active
Sync Buck
5.5
2.5
600
Adj (1.3 ~ 3.1)
1.2
0.58
0.01
Active High
92
WLCSP-0.8×1.6-8B
Ultra-Low Quiescent Current, Synchronous Buck
Active
Sync Buck
5.5
1.95
1000
0.4 ~ 0.775/0.8 ~ 1.55/1.8 ~ 3.3
4.0/1.5
2.3
0.12
Active High
96
WLCSP-0.74×1.09-6B
Ultra-Low Quiescent Current, Synchronous Buck
Active
Sync Buck
5.5
1.8
200
1.0/1.2/1.5/1.8/2.5/2.8/3.0/3.3/Adj (1.0 ~ 3.3)
1.4
0.4
<1
Active High
90
UTDFN-1.5×2-6L,
WLCSP-0.90×0.88-5B
1.4MHz, 200mA Synchronous Buck
Not Recommended for New Designs
Sync Buck
5.5
2.5
600
0.6/0.8/1.0/1.1/1.15/1.2/1.5/1.6/1.8/2.5/2.8/3.0/3.3
6
22
<1
Active High
90
TDFN-2×2-6L,
WLCSP-1.21×0.81-6B
6MHz, 600mA Synchronous Buck
Not Recommended for New Designs
Sync Buck
5.5
2.5
1000
Adj
4.6
26
<1
Active High
90
TDFN-2×2-6L,
WLCSP-1.21×0.81-6B
4.6MHz, 1A, Synchronous Buck
Not Recommended for New Designs
Sync Buck
5.5
1.8
600
Adj (0.5 ~ VIN)
3.5
26
0.1
Active High
90
WLCSP-0.9×1.3-6B-A
600mA, 1.8V to 5.5V Synchronous Buck
Active
Sync Buck
5.5
2.3
1200
Adj (0.5 ~ 4)
2
25
0.01
Active High
95
TDFN-2×2-8AL
1.2A High-Efficiency Buck with AHP-COT Mode
Active
Sync Buck
5.5
2.3
1000
1.2/1.8/3.3
10,
6.5/8
20
0.1
Active High
95
WLCSP-0.9×1.2-6B
10MHz 1A Micro-Point-of-Load Buck
Active
Sync Buck
5.5
2.3
1000
1/1.1/1.15/1.2/1.23/1.35/1.82/2.05 fixed internally
5.8
22
0.01
-
92
WLCSP-0.86×1.16-6B
5.8MHz, 600mA Synchronous Buck
Active
Sync Buck
5.5
2.3
1000
1/1.1/1.15/1.2/1.23/1.35/1.82/2.05 fixed internally
5.8
22
0.01
-
92
WLCSP-0.86×1.16-6B
5.8MHz, 600mA SynchronousDischarge Buck
Active
Sync Buck
5.5
2.5
2000
Adj (0.6 ~ VIN)
1.5
42
0.03
Active High
95
SOT-23-5,
SOT-563-6
2A, High Efficiency, Synchronous Buck
Active
Sync Buck
5.5
2.3
2000
Adj (0.5 ~ 4)
2
25
0.01
Active High
95
TDFN-2×2-8AL
2A High-Efficiency Buck with AHP-COT Mode
Active
Sync Buck
5.5
2.5
3000
Adj (0.6 ~ VIN)
2.5/2
42/410
0.05
Active High
95
TDFN-2×2-7L
High Efficiency, 3A, Synchronous Buck
Active
Sync Buck
5.5
2.7
3000
Adj
2
24
0.01
Active High
95
TDFN-2×2-8AL
3A, High Efficiency, Synchronous Buck
Active
Sync Buck
5.5
2.5
4000
Adj (0.6 ~ VIN)
2.5/2
42/420
0.06
Active High
95
TDFN-2×2-7L
4A, High Efficiency, Synchronous Buck
Active
Sync Buck
5.5
2.8
6000
Adj (0.6 ~ VIN)
1.4
46
0.02
Active High
-
TQFN-2×3-12L
2.8V to 5.5V Input, 6A Output, Synchronous Buck
Active
Sync Buck
5.5
2.3
600
1/1.1/1.15/1.2/1.23/1.35/1.82/2.05 fixed internally
5.8
22
0.01
-
92
WLCSP-0.86×1.16-6B
5.8MHz, 600mA Synchronous Buck
Active
Sync Buck
5.5
2.3
600
1/1.1/1.15/1.2/1.23/1.35/1.82/2.05 fixed internally
5.8
22
0.01
-
92
WLCSP-0.86×1.16-6B
5.8MHz, 600mA Synchronous Discharge Buck
Active
Sync Buck
5.5
2.5
2000
Adj (0.6 ~ VIN)
1.5
44
0.035
Active High
95
SOT-23-5,
SOT-23-6
2A, High Efficiency, Synchronous Buck
Active
Sync Buck
5.5
2.5
3000
Adj (0.6 ~ VIN)
1.5
45
0.02
Active High
95
SOT-563-6
Low Voltage, 3A High Efficiency Synchronous Buck
Active
Sync Buck
5.5
2.3
1200
Adj (0.5 ~ 4)
2
25
0.01
Active High
95
TDFN-2×2-8AL
1.2A High-Efficiency Buck with AHP-COT Mode
Active
Sync Buck
5.5
2.3
2000
Adj (0.5 ~ 4)
2
25
0.01
Active High
95
TDFN-2×2-8AL
2A High-Efficiency Buck with AHP-COT Mode
Active
Sync Buck
5.5
2.4
2000
Adj (0.6 ~ 4)
2.2
5.7/400
0.05
Active High
97
UTDFN-1.5×1.5-6L
Power Save Mode Option, PG, Output Discharge,100% Duty
Active
Sync Buck
5.5
2.4
3000
Adj (0.6 ~ 4)
2.2
5.7/400
0.05
Active High
97
UTDFN-1.5×1.5-6L
Power Save Mode Option, PG, Output Discharge,100% Duty
Active
Sync Buck
5.5
2.4
4000
Adj (0.6 ~ 4)
2.2
5.7/400
0.05
Active High
97
UTDFN-1.5×1.5-6L
Power Save Mode Option, PG, Output Discharge,100% Duty
Active
Sync Buck
5.5
2.5
2000
Adj (0.6 ~ VIN)
1.5
44
0.035
Active High
95
SOT-23-5,
SOT-23-6
2A, High Efficiency, Synchronous Buck
Active
Sync Buck
5.5
2.5
2000
Adj (0.6 ~ VIN)
1.5
44
0.035
Active High
95
SOT-23-5,
SOT-23-6
2A, High Efficiency, Synchronous Buck
Active
Sync Buck
6
2.9
6000
Adj
2
2
2
-
96
TQFN-3×3-16CL
2.9V to 6V Input, 6A Output, Synchronous Buck
Active
Sync Buck
6
2.9
6000
Adj (0.6 ~ VIN)
0.2 to 2
930
2
Active High
97
TQFN-3×3-16EL
Automotive, 2.9V to 6V Input, 6A, Synchronous Buck Converter
Active
Non-Sync Buck
15
4.5
6000
Adj (0.9 ~ 6)
0.6 to 2.2
30
<5
Active High
96
WLCSP-3.1×2.1-24B
6A, 4.5V to 15V, Two-Phase Synchronous Buck
Active
Sync Buck
16
4.5
6000
Adj (0.9 ~ 6)
30
30
1.6
Active High
95
WLCSP-3.1×2.1-24B
Two-Phase with Phase Shift Operation, Voltage Tracking Capability, Power-Good Output, Adjustable Soft-Start
Active
Sync Buck
17
3
300
Adj (1.2 ~ 10)
1
28
0.45
Active High
94
TDFN-2×2-8AL
100% Duty Cycle Mode, Power Good Indicator, Output Discharge
Active
Sync Buck
17
4.5
3000
Adj (0.806~7)
0.5
340
1
Active High
96
SOT-563-6
High Efficiency, Fast Transient
Active
Sync Buck
17
3
1000
1.8/3.3/5/Adj (0.9 ~ 5.5)
2.1
22
1.2
Active High
94
TDFN-2×2-8AL,
MSOP-8
3V to 17V, 1A Synchronous Buck Converter with AHP-COT Control
Active
Sync Buck
17
3
1000
Adj (0.9 ~ 5.5)
1.2/2.1
32
3
Active High
96.57
TQFN-3×3-16L
3V to 17V Input, 1A Synchronous Buck Converter with AHP-COT Control
Active
Sync Buck
17
3
3000
Adj (0.9 ~ 5.5)
1.2/2.1
32
3
Active High
96.57
TQFN-3×3-16L
3V to 17V Input, 3A Synchronous Buck Converter with AHP-COT Control
Active
Sync Buck
17
4.5
3000
Adj (0.762 ~ 7)
0.55
340
1
Active High
93.64
TSOT-23-6
4.5V to 17V Input, 3A Output, Synchronous Buck Converter
Active
Sync Buck
18
4.5
4000
Adj (0.8 ~ 5)
0.2 to 2
1100
3.4
Active High
95
TQFN-3.5×3.5-14L
4.5V to 18V Input, 4A, Synchronous Buck
Active
Sync Buck
18
4.5
6000
Adj
0.2 to 2
1100
3.3
Active High
95
TQFN-3.5×3.5-14L
4.5V to 18V Input, 6A, Synchronous Buck
Active
Sync Buck
18
4.5
6000
Adj
0.2 to 2
1100
3.3
Active High
95
TQFN-3.5×3.5-14L
4.5V to 18V Input, 6A, Synchronous Buck
Active
Sync Buck
18
1.8
8000
Adj (0.6 ~ VIN)
0.2 to 2
1100
3.4
Active High
95
TQFN-3.5×3.5-14L
External Clock Synchronization, Voltage Tracking Capability, Adjustable Soft-Start Time, Power Good Indicator
Active
Sync Buck
18
1.8
8000
Adj (0.8 ~ VIN)
0.2 to 2
1100
3.4
Active High
95
TQFN-3.5×3.5-14L
External Clock Synchronization, Voltage Tracking Capability, Adjustable Soft-Start Time, Power Good Indicator
Active
Sync Buck
18
4.5
8000
Adj (0.6 ~ VIN)
0.2 to 1.6
950
3.5
Active High
95
TQFN-3.5×3.5-18AL
External Clock Synchronization, Voltage Tracking Capability, Adjustable Soft-Start Time, Power Good Indicator
Active
Non-Sync Buck
18
4.5
3000
Adj
0.385
800
10
Active High
93
SOIC-8 (Exposed Pad)
-
Not Recommended for New Designs
-
18
4.5
3000
Adj (0.8 ~ 14)
1.4
800
<18
Active High
91
SOIC-8 (Exposed Pad)
3A, 18V Input, Non-Synchronous Buck
Not Recommended for New Designs
Sync Buck
23
4.5
8000
3.3
0.47
140
68
Active High
95
UTQFN-3×3-12AL
LDO Output
Active
Sync Buck
28
4.5
2000
Adj
0.41
25
2
Active High
95
TSOT-23-6
4.5V to 28V Input, 2A Output, Synchronous Buck
Active
Sync Buck
28
4.5
3000
Adj
0.41
25
2
Active High
95
TSOT-23-6
4.5V to 28V Input, 3A Output, Synchronous Buck
Active
Non-Sync Buck
28
4
3000
Adj (0.8 ~ 25)
0.54
1.2
1.2
Active High
94
SOIC-8 (Exposed Pad)
28V, 3A, Buck DC/DC Converter
Active
Sync Buck
28
4.5
3000
Adj
0.34,
0.05 to 1.5
320
2
Active High
94
SOIC-8 (Exposed Pad),
TDFN-3×3-10L
High Light-Load Efficiency,Adjustable Soft-Start, Adjustable Frequency
Active
Non-Sync Buck
28
6.5
2000
5
0.05 to 1.1
105
-
-
95
SOIC-8 (Exposed Pad)
28V, 2A, 5V Fixed Output, Non-Synchronous Buck
Active
Sync Buck
28
4.5
3000
Adj (0.594 ~ 7)
0.7
45
3
Acive High
96
TSOT-23-6
4.5V to 28V Input, 3A Output, Synchronous Buck
Active
-
28.5
4.5
3000
Adj (0.8 ~ 25)
0.385
800
<18
Active High
94
SOIC-8 (Exposed Pad)
3A, 28.5V Input, Non-Synchronous Buck
Not Recommended for New Designs
-
28.5
4.5
3000
Adj (0.8 ~ 22)
1.4
800
<18
Active High
91
SOIC-8 (Exposed Pad)
3A, 28.5V Input, Non-Synchronous Buck
Not Recommended for New Designs
Sync Buck
36
4.5
3000
Adj (0.8 ~ 24)
0.2 to 2.2
64
<1.8
Active High
95
SOIC-8 (Exposed Pad)
36V, 3A, Synchronous Buck
Not Recommended for New Designs
Sync Buck
36
4.5
3000
Adj (0.8 ~ 24)
0.39
-
0.6
Active High
93
SOIC-8 (Exposed Pad)
Forced PWM Mode
Active
Sync Buck
36
4
1000
Adj (1 ~ 0.98*VIN)
0.7
75/1800
3
Active High
98
SOT-23-6
4V to 36V Input, 1A Synchronous Buck Converter in SOT Package
Active
Sync Buck
36
7.5
8000
Adj
0.1 to 0.8
1200
1200
Active High
97
TQFN-4×4-24BL
Dual Outputs with Independent Programmable Constant-Current Control
Active
Sync Buck
36
4.5
3000
Adj (0.8 ~ 24)
0.39
64
0.6
Active High
93
SOIC-8 (Exposed Pad)
High Light-Load Efficiency
Active
Sync Buck
36
3.8
3000
Adj (1 ~ 24)
0.4/2.1
28
2
Active High
95
SOIC-8 (Exposed Pad),
TQFN-2×3-12AL
3.8V to 36V Input, 3A, Synchronous Buck Converter
Active
-
38
4.5
2000
Adj (0.8 ~ 32)
0.385
800
<18
Active High
94
SOIC-8 (Exposed Pad)
2A, 38V Input, Non-Synchronous Buck
Not Recommended for New Designs
-
38
4.5
2000
Adj (0.8 ~ 28)
1.4
800
<18
Active High
91
SOIC-8 (Exposed Pad)
2A, 38V Input, Non-Synchronous Buck
Not Recommended for New Designs
Sync Buck
38
4
600
Adj (0.8 ~ 0.98*VIN)
2
77/1750
3
Active High
93
SOT-23-6
High Light Load Efficiency,99% Max Duty, Precision Enable
Active
Sync Buck
38
4
600
Adj (0.8 ~ 0.98*VIN)
1.1
77/1750
3
Active High
94
SOT-23-6
High Light Load Efficiency,98% Max Duty, Precision Enable
Active
Sync Buck
38
4
600
Adj (1 ~ 0.98*VIN)
2
77/1750
3
Active High
93
SOT-23-6
High Light Load Efficiency,99% Max Duty, Precision Enable
Active
Sync Buck
38
4
600
Adj (1 ~ 0.98*VIN)
1.1
77/1750
3
Active High
94
SOT-23-6
High Light Load Efficiency,100% Max Duty, Precision Enable
Active
Sync Buck
42
5
600
Adj (0.8 ~ 24)
1.2
14
<1.2
Active High
95
SOT-23-6
1.2MHz, 600mA, 42V, Synchronous Buck
Active
Sync Buck
42
5
600
Adj (0.8 ~ 20)
0.15
-
0.6
Active High
95
SOT-23-6
150kHz, 600mA, 42V, Synchronous Buck
Active
Sync Buck
42
4.5
1200
Adj (0.83 ~ 20)
1.2
55
1.2
Active High
96
TSOT-23-6
1.2MHz, 1.2A, 42V, Synchronous Buck
Active
Sync Buck
42
5
600
Adj (0.8 ~ 20)
0.56
14
0.6
Active High
95
SOT-23-6
570kHz, 600mA, 42V, Synchronous Buck
Active
Non-Sync Buck
42
4.5
3500
Adj (0.8 ~ 36)
0.1 to 2.5
148
2.6
Active High
-
SOIC-8 (Exposed Pad)
4.5V to 42V Input, 3.5A Non-Synchronous Buck
Active
Non-Sync Buck
42
4.5
5000
Adj (0.8 ~ 36)
0.1 to 2.5
148
2.75
Active High
-
SOIC-8 (Exposed Pad)
4.5V to 42V Input, 5A Non-Synchronous Buck
Active
Sync Buck
42
5
600
Adj
1.2
14
0.6
Active High
90
-
Automotive, 1.2MHz, 600mA, 42V Synchronous Buck
Active
Non-Sync Buck
55
3.8
2000
Adj
0.2 to 2
126
<18
Active High
95
TDFN-3×3-10L,
SOIC-8 (Exposed Pad)
55V Input, 2A Non-Synchronous Buck
Active
Non-Sync Buck
55
3.8
1500
Adj (0.8 ~ 24)
2
131
18
Active High
95
TDFN-3×3-10L
1.5A, 2MHz, 55V, Buck Converter
Active
Non-Sync Buck
60
4.3
3000
Adj
Adj (0.2 to 2.5)
50
2
Active High
-
SOIC-8 (Exposed Pad)
60V, 3A Buck with 50μA IQ
Active
Sync Buck
60
6
2500
Adj (up to 24)
0.3
90
3
Active High
-
SOIC-8 (Exposed Pad)
High Efficiency, 2.5A, 60V Input Synchronous Buck
Active
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