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MIC28512-2YFL-T5

Description
Switching Voltage Regulators
CategoryPower/power management    The power supply circuit   
File Size3MB,38 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC28512-2YFL-T5 Overview

Switching Voltage Regulators

MIC28512-2YFL-T5 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
MakerMicrochip
package instructionFQFN-24
Reach Compliance Codecompliant
Factory Lead Time16 weeks
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Maximum input voltage70 V
Minimum input voltage4.6 V
Nominal input voltage12 V
JESD-30 codeR-XQCC-N24
length4 mm
Number of functions1
Number of terminals24
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current2 A
Maximum output voltage24 V
Minimum output voltage0.8 V
Package body materialUNSPECIFIED
encapsulated codeVQCCN
Encapsulate equivalent codeLCC24,.12X.16,20
Package shapeRECTANGULAR
Package formCHIP CARRIER, VERY THIN PROFILE
Filter levelTS-16949
Maximum seat height0.9 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency800 kHz
Temperature levelAUTOMOTIVE
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
width3 mm
Base Number Matches1
MIC28512
70V
IN
, 2A Synchronous Buck Regulator
Features
• 4.6V to 70V Operating Input Voltage Supply
• Up to 2A Output Current
• Integrated High-Side and Low-Side N-Channel
MOSFETs
• HyperLight Load
®
(MIC28512-1) and Hyper
Speed Control
®
(MIC28512-2) Architecture
• Enable Input and Power Good (PGOOD) Output
• Programmable Current-Limit and Foldback
“Hiccup” Mode Short-Circuit Protection
• Built-In 5V Regulator for Single-Supply Operation
• Adjustable 200 kHz to 680 kHz Switching
Frequency
• Fixed 5 ms Soft-Start
• Internal Compensation and Thermal Shutdown
• Thermally-Enhanced 24-Pin 3 mm x 4 mm
FCQFN Package
• –40°C to +125°C Junction Temperature Range
General Description
The MIC28512 is a synchronous step-down switching
regulator with internal power switches capable of
providing up to 2A output current from a wide input
supply range from 4.6V to 70V. The output voltage is
adjustable down to 0.8V with a guaranteed accuracy of
±1%. A constant switching frequency can be
programmed from 200 kHz to 680 kHz. The Hyper
Speed Control
®
and HyperLight Load
®
architectures of
the MIC28512 allow for high V
IN
(low V
OUT
) operation
and ultra-fast transient response while reducing the
required output capacitance and providing very good
light-load efficiency.
The MIC28512 offers a full suite of features to ensure
protection under fault conditions. These include
undervoltage lockout to ensure proper operation under
power sag conditions, internal soft-start to reduce
inrush current, foldback current-limit, “hiccup” mode
short-circuit protection and thermal shutdown.
Applications
Industrial Power Supplies
Distributed Supply Regulation
Base Station Power Supplies
Wall Transformer Regulation
High-Voltage Single-Board Systems
Package Type
MIC28512
24-Pin 3 mm x 4 mm FCQFN (FL)
PGND
PGND
22
FREQ
24
23
SW
21
20
19
DL
PGND
DH
PVIN
LX
BST
PVIN
PVIN
1
2
PVDD
VDD
ILIM
VIN
EN
PGOOD
FB
AGND
26 (PGND)
3
18
5
6
7
8
25 (PVIN)
4
27 (SW)
11
12
17
16
15
14
13
9
10
PVIN
PGND
PGND
2016-2018 Microchip Technology Inc.
SW
DS20005524B-page 1

MIC28512-2YFL-T5 Related Products

MIC28512-2YFL-T5 MIC28512-1YFL-T5 MIC28512-1YFL-TR MIC28512-1YFL-EV MIC28512-2YFL-EV
Description Switching Voltage Regulators Conv DC-DC 4.6V to 70V Synchronous Step Down Single-Out 5.2V 2A Automotive 24-Pin FC-QFN EP T/R IC REG BUCK ADJ 2A SYNC EVAL BOARD FOR MIC28512-1 EVAL BOARD FOR MIC28512-2
Is it lead-free? Lead free Lead free Lead free - -
package instruction FQFN-24 FQFN-24 FQFN-24 - -
Reach Compliance Code compliant compliant compliant - -
Factory Lead Time 16 weeks 16 weeks 16 weeks - -
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR - -
Maximum input voltage 70 V 70 V 70 V - -
Minimum input voltage 4.6 V 4.6 V 4.6 V - -
Nominal input voltage 12 V 12 V 12 V - -
JESD-30 code R-XQCC-N24 R-XQCC-N24 R-XQCC-N24 - -
length 4 mm 4 mm 4 mm - -
Number of functions 1 1 1 - -
Number of terminals 24 24 24 - -
Maximum operating temperature 125 °C 125 °C 125 °C - -
Minimum operating temperature -40 °C -40 °C -40 °C - -
Maximum output current 2 A 2 A 2 A - -
Maximum output voltage 24 V 24 V 24 V - -
Minimum output voltage 0.8 V 0.8 V 0.8 V - -
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED - -
encapsulated code VQCCN VQCCN VQCCN - -
Encapsulate equivalent code LCC24,.12X.16,20 LCC24,.12X.16,20 LCC24,.12X.16,20 - -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR - -
Package form CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE - -
Filter level TS-16949 TS-16949 TS 16949 - -
Maximum seat height 0.9 mm 0.9 mm 0.9 mm - -
surface mount YES YES YES - -
Switch configuration BUCK BUCK BUCK - -
Maximum switching frequency 800 kHz 800 kHz 800 kHz - -
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE - -
Terminal form NO LEAD NO LEAD NO LEAD - -
Terminal pitch 0.5 mm 0.5 mm 0.5 mm - -
Terminal location QUAD QUAD QUAD - -
width 3 mm 3 mm 3 mm - -

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