LM5121-Q1 Boost Controller overview

Description

Manufacturer
 
Category
Sub-Category

A 3.00 V - 65.00 Vin, sync Boost Controller which can boost up to 100.00 V. LM5121-Q1 features 1 channel , drives 1 phase(s) and has adjustable 1000 kHz switching frequency.

Additional characteristics are a typical inductor size of 10.0 uH, a peak efficiency of % and 1 package option(s): HTSSOP-20 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 3.00 V
V-IN max. 65.00 V
V-OUT min. 3.00 V
V-OUT max. 100.00 V
V-OUT adj./fixed adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adj. adjustable
Frequency min. 100 kHz
Frequency max. 1000 kHz
ext.clock sync. yes
ext.clock sync min. 100 kHz
ext.clock sync max. 1000 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Sense Resistor no
Enable yes
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 10.0 uH
Military no
Automotive AEC-Q100 yes
Light-Load-Mode yes
Peak Efficiency
component count min. 18
Single/ Multiphase single
Nr. of Phases 1
Inductor suggested by Würth Elektronik
Nr.of packages options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP HTSSOP-20
DIP

LM5121-Q1 Datasheet

Link to the most up-to-date LM5121-Q1 datasheet and the product page for EVM, tools and support information.

LM5121-Q1

LM5121-Q1 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

Chip One Stop (3)

ProductStockPriceBuy
LM5121MH/NOPB292
14.92 USD
104.38 USD
1003.73 USD
Buy Now
LM5121MHX/NOPB2365
13.90 USD
103.52 USD
253.17 USD
1002.96 USD
2502.93 USD
Buy Now
LM5121QMH/NOPB13
15.63 USD
105.03 USD
Buy Now

Digi-Key (5)

ProductStockPriceBuy
LM5121MH/NOPB2236
15.04 USD
104.52 USD
1003.71 USD
5003.16 USD
10002.66 USD
Buy Now
LM5121QMH/NOPB934
15.79 USD
105.20 USD
1004.26 USD
5003.63 USD
10003.06 USD
Buy Now
LM5121EVM1
1102.80 USD
Buy Now
LM5121MHX/NOPB0
25001.98 USD
Buy Now
LM5121MHX/NOPB16
14.32 USD
103.88 USD
1003.18 USD
5002.71 USD
10002.28 USD
Buy Now
LM5121MHX/NOPB16
14.32 USD
103.88 USD
1003.18 USD
5002.71 USD
10002.28 USD
Buy Now
LM5121QMHX/NOPB0
25002.34 USD
Buy Now
LM5121MHE/NOPB0
2503.37 USD
Buy Now
LM5121QMHE/NOPB0
2503.90 USD
Buy Now

Texas Instruments (3)

ProductStockPriceBuy
LM5121EVM20
199.00 USD
Buy Now
LM5121MH/NOPB2290
14.66 USD
104.20 USD
253.86 USD
1003.46 USD
2503.19 USD
5002.81 USD
7502.49 USD
10002.16 USD
Buy Now
LM5121QMH/NOPB1134
15.36 USD
104.83 USD
254.44 USD
1003.98 USD
2503.67 USD
5003.24 USD
7502.86 USD
10002.48 USD
Buy Now

Available Distributors without stock: 4

Avnet America (0)

ProductStockPriceBuy
LM5121EVM0
1102.39 USD
Buy Now
LM5121MHE/NOPB0
2502.59 USD
5002.49 USD
10002.39 USD
15002.29 USD
25002.19 USD
Buy Now
LM5121MH/NOPB0
1463.49 USD
2923.29 USD
4383.09 USD
7302.69 USD
14602.49 USD
Buy Now
LM5121MHX/NOPB0
25002.19 USD
50002.09 USD
100002.09 USD
150001.99 USD
250001.89 USD
Buy Now
LM5121QMHE/NOPB0
2502.99 USD
5002.89 USD
10002.79 USD
15002.69 USD
25002.59 USD
Buy Now
LM5121QMH/NOPB0
1463.09 USD
2922.99 USD
4382.89 USD
7302.79 USD
14602.69 USD
Buy Now
LM5121QMHX/NOPB0
25002.69 USD
50002.49 USD
100002.39 USD
150002.39 USD
250002.29 USD
Buy Now

Avnet Asia (0)

ProductStockPriceBuy
LM5121QMHE/NOPB0
2503.01 USD
5002.89 USD
7502.77 USD
12502.70 USD
25002.63 USD
Buy Now
LM5121QMH/NOPB0
73003.12 USD
146003.00 USD
219002.88 USD
365002.80 USD
730002.73 USD
Buy Now

Avnet Europe (0)

ProductStockPriceBuy
LM5121MHE/NOPB0Buy Now
LM5121MH/NOPB0Buy Now
LM5121MHX/NOPB0Buy Now
LM5121QMHE/NOPB0Buy Now
LM5121QMHX/NOPB0Buy Now

Newark Electronics (0)

ProductStockPriceBuy
LM5121MH/NOPB0
15.23 USD
104.63 USD
254.32 USD
504.09 USD
1003.79 USD
2503.60 USD
5003.23 USD
10002.43 USD
Buy Now

Available Distributors with stock: 7

Arrow Electronics

ProductStockPriceBuy
LM5121MHX/NOPB 2365
13.90 $
103.52 $
253.17 $
1002.96 $
2502.93 $
5002.50 $
10002.11 $
Buy Now
LM5121MH/NOPB 292
15.00 $
104.43 $
1003.77 $
5003.04 $
10002.55 $
Buy Now
LM5121QMH/NOPB 13
15.71 $
105.09 $
1004.20 $
5003.55 $
10002.85 $
Buy Now
LM5121MHX/NOPB 0
12.03 $
25011.95 $
Buy Now
LM5121MHX/NOPB 0
25001.98 $
250001.97 $
1250001.93 $
2500001.89 $
Buy Now
LM5121MHX/NOPB 0
25001.98 $
250001.97 $
1250001.93 $
2500001.90 $
Buy Now
LM5121MH/NOPB 0
1462.43 $
14602.43 $
146002.40 $
730002.38 $
Buy Now
LM5121MH/NOPB 0
1462.56 $
Buy Now
LM5121QMH/NOPB 0
1462.80 $
14602.79 $
146002.74 $
730002.71 $
1460002.71 $
Buy Now
LM5121MHE/NOPB 0
2503.37 $
25003.26 $
250002.61 $
1250002.27 $
2500002.26 $
Buy Now
LM5121MHE/NOPB 0
2503.37 $
25003.26 $
250002.60 $
1250002.25 $
2500002.25 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LM5121MH/NOPB 2236
10002.14 €
5002.54 €
1002.98 €
103.64 €
14.05 €
Buy Now
LM5121QMH/NOPB 934
10002.46 €
5002.92 €
1003.43 €
104.19 €
14.66 €
Buy Now
LM5121MHX/NOPB 16
10001.84 €
5002.18 €
1002.56 €
103.12 €
13.48 €
Buy Now
LM5121MHX/NOPB 16
10001.84 €
5002.18 €
1002.56 €
103.12 €
13.48 €
Buy Now
LM5121EVM 1
182.69 €
Buy Now
LM5121MHX/NOPB 0
25001.59 €
Buy Now
LM5121QMHX/NOPB 0
25001.88 €
Buy Now
LM5121MHE/NOPB 0
2502.71 €
Buy Now
LM5121QMHE/NOPB 0
2503.14 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LM5121MHX/NOPB 2365
163.52 $
253.17 $
1002.96 $
2502.93 $
5002.50 $
10002.11 $
Buy Now
LM5121MH/NOPB 292
134.38 $
1003.73 $
Buy Now
LM5121QMH/NOPB 13
115.03 $
Buy Now
LM5121EVM 12
1108.90 $
Buy Now

Texas Instruments

ProductStockPriceBuy
LM5121EVM 20
199.00 $
Buy Now
LM5121MH/NOPB 2290
10002.16 $
7502.49 $
5002.81 $
2503.19 $
1003.46 $
253.86 $
104.20 $
14.66 $
Buy Now
LM5121QMH/NOPB 1134
10002.48 $
7502.86 $
5003.24 $
2503.67 $
1003.98 $
254.44 $
104.83 $
15.36 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LM5121QMHX/NOPB 2272
13.77 $
253.50 $
1003.35 $
5003.22 $
10003.06 $
Buy Now
LM5121QMHE/NOPB 6500
14.24 $
253.93 $
1003.77 $
5003.62 $
10003.44 $
Buy Now
LM5121MHX/NOPB 1210
13.19 $
252.96 $
1002.84 $
5002.72 $
10002.59 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LM5121MH/NOPB 310
15.04 $
104.53 $
1003.71 $
2503.48 $
5003.16 $
10002.67 $
25002.53 $
Buy Now
LM5121EVM 3
1102.50 $
Buy Now
LM5121QMH/NOPB 94
15.79 $
105.21 $
1004.27 $
2504.01 $
5003.63 $
10003.07 $
25002.91 $
Buy Now
LM5121MHE/NOPB 0
14.83 $
104.34 $
1003.56 $
2503.34 $
5003.03 $
10002.56 $
25002.43 $
Buy Now
LM5121MHX/NOPB 0
25002.11 $
Buy Now
LM5121QMHX/NOPB 0
25002.49 $
Buy Now
LM5121QMHE/NOPB 0
2503.86 $
5003.50 $
10002.95 $
20002.81 $
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LM5121MH/NOPB 292
1003.73 $
104.38 $
14.92 $
Buy Now
LM5121QMH/NOPB 13
105.03 $
15.63 $
Buy Now
LM5121MHX/NOPB 2365
2502.93 $
253.17 $
13.90 $
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
LM5121EVM 0
1102.39 $
Buy Now
LM5121MH/NOPB 0
1463.49 $
2923.29 $
4383.09 $
7302.69 $
14602.49 $
Buy Now
LM5121MH/NOPB 0
12.93 €
102.75 €
252.59 €
502.45 €
1002.32 €
5002.21 €
10002.11 €
Buy Now
LM5121MHE/NOPB 0
2502.59 $
5002.49 $
10002.39 $
15002.29 $
25002.19 $
Buy Now
LM5121MHE/NOPB 0
14.03 €
103.63 €
253.63 €
503.62 €
1002.98 €
5002.98 €
10002.97 €
Buy Now
LM5121QMH/NOPB 0
1463.09 $
2922.99 $
4382.89 $
7302.79 $
14602.69 $
Buy Now
LM5121MHX/NOPB 0
25002.19 $
50002.09 $
100002.09 $
150001.99 $
250001.89 $
Buy Now
LM5121MHX/NOPB 0
25002.44 €
50002.16 €
100001.94 €
150001.84 €
250001.75 €
Buy Now
LM5121QMH/NOPB 0
73003.12 $
146002.99 $
219002.88 $
365002.80 $
730002.73 $
1825002.67 $
3650002.60 $
Buy Now
LM5121QMHX/NOPB 0
25002.69 $
50002.49 $
100002.39 $
150002.39 $
250002.29 $
Buy Now
LM5121QMHE/NOPB 0
2502.99 $
5002.89 $
10002.79 $
15002.69 $
25002.59 $
Buy Now
LM5121QMHE/NOPB 0
13.19 €
102.99 €
252.79 €
502.69 €
1002.49 €
5002.39 €
10002.29 €
Buy Now
LM5121QMHX/NOPB 0
12.79 €
102.69 €
252.49 €
502.39 €
1002.19 €
5002.09 €
10001.99 €
Buy Now
LM5121QMHE/NOPB 0
2503.01 $
5002.89 $
7502.77 $
12502.70 $
25002.63 $
62502.57 $
125002.51 $
Buy Now

Newark element14

ProductStockPriceBuy
LM5121MH/NOPB 0
15.23 $
104.63 $
254.32 $
504.09 $
1003.79 $
2503.60 $
5003.23 $
10002.43 $
Buy Now

Alternatives and equivalents IC

The following DC/DC Boost Controller are similar to LM5121-Q1. Compare LM5121-Q1 side-by-side with other Boost Controller via the comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM5121-Q1.

V-IN min. 3 V, V-OUT max. 100 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
Meet us at this weeks PCIM tradeshow in Nuremberg, Tue+Wed, Details under info@dcdcselector.com
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Feedback
ajax-loader.gif
Loading. Please wait.