LM3691-2.5 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LM3691-2.5 is a 5.50 V sync Buck Converter from with 1.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.50 V to 2.50 V output voltage.

It requires are a typical inductor size of 1.00 µH, a typical external component count of 3 and achieves a peak efficiency of 93 %. Further LM3691-2.5 characteristics are a fixed 4000 kHz switching frequency and 1 available package option(s): DSBGA-6 .

For the LM3691-2.5 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 2.30 V
V-IN max. 5.50 V
I-OUT? 1.00 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 2.500 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 4000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 600 µA
Operating min. -30 °C
Operating max. 85 °C
Junction min. -30 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 1.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 93 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP DSBGA-6
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LM3691-2.5 Datasheet

Link to the most up-to-date LM3691-2.5 datasheet and the product page for EVM, tools and support information.

LM3691-2.5

LM3691-2.5 Sample stock and distributor price breaks

LM3691-2.5 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 8

ARROW-NAC (4)

ProductStockPriceBuy
LM3691TL-3.3/NOPB125
11.24 USD
101.13 USD
251.04 USD
1000.89 USD
Buy Now
LM3691TL-1.8/NOPB650
11.26 USD
101.12 USD
251.07 USD
1000.89 USD
Buy Now
LM3691TL-1.2/NOPB52
11.24 USD
101.13 USD
251.04 USD
1000.89 USD
Buy Now
LM3691TL-1.5/NOPB496
11.29 USD
101.15 USD
251.07 USD
1000.89 USD
Buy Now

AVNET-EUROPE (2)

ProductStockPriceBuy
LM3691TL-0.75/NOPB500Buy Now
LM3691TL-1.0/NOPB0Buy Now
LM3691TL-1.2/NOPB250Buy Now
LM3691TL-1.5/NOPB0Buy Now
LM3691TL-1.8/NOPB0Buy Now
LM3691TL-2.5/NOPB0Buy Now
LM3691TL-3.3/NOPB0Buy Now
LM3691TLX-0.75/NOPB0Buy Now
LM3691TLX-1.0/NOPB0Buy Now
LM3691TLX-1.2/NOPB0Buy Now
LM3691TLX-1.5/NOPB0Buy Now
LM3691TLX-1.8/NOPB0Buy Now
LM3691TLX-1.8/NOPB0Buy Now
LM3691TLX-2.5/NOPB0Buy Now
LM3691TLX-3.3/NOPB0Buy Now

Chip-One-Stop (9)

ProductStockPriceBuy
LM3691TL-1.0/NOPB10001
50.93 USD
250.89 USD
500.88 USD
1000.72 USD
5000.63 USD
10000.58 USD
Buy Now
LM3691TL-1.2/NOPB10001
2500.67 USD
5000.65 USD
10000.59 USD
20000.53 USD
Buy Now
LM3691TL-1.2/NOPB205
51.11 USD
250.72 USD
1000.64 USD
Buy Now
LM3691TL-1.5/NOPB600
51.34 USD
251.00 USD
1000.78 USD
5000.58 USD
Buy Now
LM3691TL-1.5/NOPB10001
2500.58 USD
5000.58 USD
10000.54 USD
20000.53 USD
Buy Now
LM3691TL-1.8/NOPB10001
2500.66 USD
10000.59 USD
20000.55 USD
Buy Now
LM3691TL-3.3/NOPB250
2500.68 USD
Buy Now
LM3691TL-3.3/NOPB10001
2500.69 USD
20000.56 USD
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LM3691TLX-1.5/NOPB10001
30000.48 USD
Buy Now

DIGI-KEY (17)

ProductStockPriceBuy
LM3691TL-1.8/NOPB10750
2500.89 USD
5000.79 USD
12500.62 USD
Buy Now
LM3691TL-1.8/NOPB11026
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.8/NOPB11026
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.0/NOPB0
2500.89 USD
5000.79 USD
12500.52 USD
Buy Now
LM3691TL-1.0/NOPB1127
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.0/NOPB1127
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-0.75/NOPB0
2500.89 USD
5000.79 USD
12500.62 USD
Buy Now
LM3691TL-0.75/NOPB1087
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-0.75/NOPB1087
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.2/NOPB250
2500.89 USD
5000.79 USD
12500.62 USD
Buy Now
LM3691TL-1.2/NOPB780
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.2/NOPB780
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-3.3/NOPB500
2500.89 USD
5000.79 USD
12500.52 USD
Buy Now
LM3691TL-3.3/NOPB711
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-3.3/NOPB711
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-2.5/NOPB0
2500.89 USD
5000.79 USD
12500.52 USD
Buy Now
LM3691TL-2.5/NOPB699
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-2.5/NOPB699
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.5/NOPB0
2500.89 USD
5000.79 USD
12500.62 USD
Buy Now
LM3691TL-1.5/NOPB625
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TL-1.5/NOPB625
11.41 USD
101.26 USD
1000.98 USD
Buy Now
LM3691TLX-1.2/NOPB0
30000.45 USD
Buy Now
LM3691TLX-1.5/NOPB0
30000.45 USD
Buy Now
LM3691TLX-1.8/NOPB0
30000.45 USD
Buy Now
LM3691TLX-2.5/NOPB0
30000.45 USD
Buy Now

Mouser-Electronics (8)

ProductStockPriceBuy
LM3691TL-1.2EV/NOPB26
1104.60 USD
Buy Now
LM3691TL-1.5/NOPB411
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-1.8/NOPB625
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-1.0/NOPB436
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-1.2/NOPB376
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-3.3/NOPB331
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-0.75/NOPB250
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TL-2.5/NOPB445
11.36 USD
101.22 USD
251.18 USD
1000.95 USD
2500.89 USD
5000.79 USD
10000.54 USD
Buy Now
LM3691TLX-1.8/NOPBNone
30000.47 USD
Buy Now
LM3691TLX-1.0/NOPBNone
30000.47 USD
Buy Now
LM3691TLX-1.5/NOPBNone
30000.47 USD
Buy Now
LM3691TLX-3.3/NOPBNone
30000.47 USD
Buy Now
LM3691TLX-1.2/NOPBNone
30000.47 USD
Buy Now
LM3691TL-1.8EV/NOPBNone
1104.60 USD
Buy Now
LM3691TLX-2.5/NOPBNone
30000.47 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LM3691TL-3.3/NOPB235Buy Now

Texas Instruments (9)

ProductStockPriceBuy
LM3691TL-0.75/NOPB1487
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-1.0/NOPB1527
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-1.2EV/NOPB26
199.00 USD
Buy Now
LM3691TL-1.2/NOPB1153
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-1.5/NOPB1025
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-1.8EV/NOPB12
199.00 USD
Buy Now
LM3691TL-1.8/NOPB757
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-2.5/NOPB1099
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now
LM3691TL-3.3/NOPB1293
11.45 USD
101.29 USD
251.15 USD
1001.04 USD
2500.93 USD
5000.74 USD
7500.58 USD
10000.46 USD
Buy Now

VERICAL (13)

ProductStockPriceBuy
LM3691TL-3.3/NOPB125
521.04 USD
1000.89 USD
Buy Now
LM3691TL-3.3/NOPB10000
7500.72 USD
12500.62 USD
Buy Now
LM3691TLX-1.5/NOPB9000
10.57 USD
Buy Now
LM3691TLX-1.5/NOPB9000
10.59 USD
Buy Now
LM3691TL-1.8/NOPB650
521.07 USD
1000.89 USD
Buy Now
LM3691TL-1.8/NOPB10000
7500.71 USD
12500.61 USD
Buy Now
LM3691TL-1.0/NOPB10000
7500.69 USD
10000.61 USD
Buy Now
LM3691TL-1.2/NOPB10000
7500.71 USD
12500.61 USD
Buy Now
LM3691TL-1.2/NOPB52
521.04 USD
1000.89 USD
Buy Now
LM3691TLX-3.3/NOPB9000
30000.54 USD
Buy Now
LM3691TL-1.5/NOPB10000
7500.72 USD
10000.62 USD
Buy Now
LM3691TL-1.5/NOPB29750
10.68 USD
Buy Now
LM3691TL-1.5/NOPB496
521.07 USD
1000.89 USD
Buy Now

Available Distributors without stock: 3

AVNET-AMERICAS (0)

ProductStockPriceBuy
LM3691TL-0.75/NOPB0
2500.74 USD
12500.69 USD
20000.65 USD
37500.61 USD
75000.59 USD
Buy Now
LM3691TL-1.0/NOPB0
2500.86 USD
5000.76 USD
10000.63 USD
15000.60 USD
25000.60 USD
Buy Now
LM3691TL-1.2EV/NOPB0
199.48 USD
Buy Now
LM3691TL-1.2/NOPB0
2500.74 USD
5000.69 USD
10000.65 USD
15000.61 USD
25000.59 USD
Buy Now
LM3691TL-1.5/NOPB0
2500.74 USD
5000.69 USD
10000.65 USD
15000.61 USD
25000.59 USD
Buy Now
LM3691TL-1.8EV/NOPB0
199.48 USD
Buy Now
LM3691TL-1.8/NOPB0
2500.74 USD
5000.69 USD
10000.65 USD
15000.61 USD
25000.59 USD
Buy Now
LM3691TL-2.5/NOPB0
2500.74 USD
5000.69 USD
10000.65 USD
15000.61 USD
25000.59 USD
Buy Now
LM3691TL-3.3/NOPB0
2500.74 USD
5000.69 USD
10000.65 USD
15000.61 USD
25000.59 USD
Buy Now
LM3691TLX-1.0/NOPB0
30000.65 USD
60000.60 USD
120000.56 USD
180000.53 USD
300000.51 USD
Buy Now
LM3691TLX-1.2/NOPB0
30000.65 USD
60000.60 USD
120000.56 USD
180000.53 USD
300000.51 USD
Buy Now
LM3691TLX-1.5/NOPB0
30000.65 USD
60000.60 USD
120000.56 USD
180000.53 USD
300000.51 USD
Buy Now
LM3691TLX-1.8/NOPB0
30000.53 USD
60000.52 USD
120000.52 USD
180000.52 USD
300000.52 USD
Buy Now
LM3691TLX-2.5/NOPB0
30000.65 USD
60000.60 USD
120000.56 USD
180000.53 USD
300000.51 USD
Buy Now
LM3691TLX-3.3/NOPB0
30000.65 USD
60000.60 USD
120000.56 USD
180000.53 USD
300000.51 USD
Buy Now

AVNET-ASIA (0)

ProductStockPriceBuy
LM3691TLX-1.2/NOPB0
30000.57 USD
60000.55 USD
120000.53 USD
180000.51 USD
300000.50 USD
Buy Now

NEWARK (0)

ProductStockPriceBuy
LM3691TL-1.2/NOPB0
11.37 USD
101.22 USD
251.13 USD
501.01 USD
1000.95 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LM3691 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM3691-2.5. Optional, compare LM3691-2.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2119-2,5 ADP2119-2,5 product overviewADP2119-2,5 product overview Analog Devices QFN-10
0% ADP2120-2,5 ADP2120-2,5 product overviewADP2120-2,5 product overview Analog Devices QFN-10
0% MAX1556-2.5 MAX1556-2.5 product overviewMAX1556-2.5 product overview Maxim TDFN-EP-10
0% MAX1644-2.5 MAX1644-2.5 product overviewMAX1644-2.5 product overview Maxim SSOP-16
0% MAX1742-2.5 MAX1742-2.5 product overviewMAX1742-2.5 product overview Maxim QSOP-16
0% MAX1842-2.5 MAX1842-2.5 product overviewMAX1842-2.5 product overview Maxim QSOP-16
0% BU90005 BU90005 product overviewBU90005 product overview Rohm CSP-6
0% LM2651-2.5 LM2651-2.5 product overviewLM2651-2.5 product overview Texas Instruments TSSOP-16
0% RP505K-2.5 RP505K-2.5 product overviewRP505K-2.5 product overview Ricoh DFN-8
0% RP506x-D-E-2.5 RP506x-D-E-2.5 product overviewRP506x-D-E-2.5 product overview Ricoh DFN-10
0% RP506x-A-B-2.5 RP506x-A-B-2.5 product overviewRP506x-A-B-2.5 product overview Ricoh DFN-10
0% XC9261-C-2.5 XC9261-C-2.5 product overviewXC9261-C-2.5 product overview Torex USP-6, SOT89-5
0% XC9261-D-2.5 XC9261-D-2.5 product overviewXC9261-D-2.5 product overview Torex USP-6, SOT89-5
0% TS30011-2.5 TS30011-2.5 product overviewTS30011-2.5 product overview Triune Systems QFN-16
0% TS30012-2.5 TS30012-2.5 product overviewTS30012-2.5 product overview Triune Systems QFN-16
0% TS33001-2.5 TS33001-2.5 product overviewTS33001-2.5 product overview Triune Systems QFN-16
0% TS33002-2.5 TS33002-2.5 product overviewTS33002-2.5 product overview Triune Systems QFN-16
0% TS30021-2.5 TS30021-2.5 product overviewTS30021-2.5 product overview Triune Systems QFN-16
0% TS30022-2.5 TS30022-2.5 product overviewTS30022-2.5 product overview Triune Systems QFN-16
0% MP2148-2.5 MP2148-2.5 product overviewMP2148-2.5 product overview MPS QFN-6
0% RP509Z-1-2.5 RP509Z-1-2.5 product overviewRP509Z-1-2.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM3691-2.5.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 2.5 V, Frequency typ. 4000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402800082 0.8 2.0 1.6 53.00 2.8 x 2.8 x 1.2
744028001 1.0 1.8 1.5 65.00 2.8 x 2.8 x 1.2
74402900082 0.8 2.4 1.8 36.00 2.8 x 2.8 x 1.5
744029001 1.0 2.2 1.6 45.00 2.8 x 2.8 x 1.5
7440300068 0.7 1.3 1.5 0.06 3.3 x 3.5 x 1.05
744031010 1.0 2.0 1.6 26.00 3.8 x 3.8 x 1.8
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
74438321010 1.0 1.3 2.5 163.00 2.5 x 2 x 0.6
74479262210 1.0 1.2 1.7 170.00 1.6 x 0.8 x 0.8
74479275210 1.0 1.8 2.1 69.00 2 x 1.25 x 1
74479276210 1.0 2.0 2.5 65.00 2 x 1.6 x 1
74479876168 0.7 1.8 1.7 60.00 2 x 1.6 x 1
74479876210 1.0 1.5 1.5 70.00 2 x 1.6 x 1
74479889210 1.0 2.0 2.0 85.00 2.5 x 2 x 1.2
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
74479976210 1.0 1.8 2.4 75.00 2 x 1.6 x 0.5
74479977182 0.8 2.0 2.0 90.00 2 x 1.6 x 0.9
78438321010 1.0 1.3 2.5 163.00 2.5 x 2 x 0.6
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