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MP2322GQH Datasheet Preview

MP2322GQH Datasheet

Step-Down Converter

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MP2322
1A, 3-22V, 5μA IQ, Synchronous,
Step-Down Converter in 1.5x2mm QFN
DESCRIPTION
The MP2322 is a synchronous, rectified, step-
down, switch-mode converter with built-in
internal power MOSFETs and high light-load
efficiency. The MP2322 offers a very compact
solution that achieves 1A of continuous output
current with excellent load and line regulation
over a wide input supply range.
The MP2322 switching edge is optimized for
EMI reduction. Constant-on-time (COT) control
provides seamless mode transition and a fast
load transient response.
Full protection features include over-current
protection (OCP), over-voltage protection
(OVP), and thermal shutdown.
The MP2322 requires a minimal number of
readily available, standard, external
components and is available in a space-saving
QFN-8 (1.5mmx2mm) package.
FEATURES
Wide 3V to 22V Operating Input Range
5µA Low IQ
1A Load Current
260mΩ/120mΩ RDS(ON) Internal Power
MOSFETs
High Efficiency from 100µA to 1A Load
during VIN from 4V to 22V
Power-Save Mode (PSM) in Light-Load
Condition
1.25MHz Fixed Switching Frequency during
CCM
TON Extension to Support Large Duty Cycles
Power Good (PG) Indication
EN Shutdown Output Discharge
OCP and OVP and Hiccup
Output Adjustable from 0.6V
Available in a QFN-8 (1.5mmx2mm)
Package
APPLICATIONS
IOT
Home Automation, Home Security
Single- or Multi-Cell Li-Ion Battery Systems
Multi-Cell Dry Battery Systems
12V Input Power Rails
White Goods
All MPS parts are lead-free, halogen-free, and adhere to the RoHS
directive. For MPS green status, please visit the MPS website under Quality
Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are
trademarks of Monolithic Power Systems, Inc. or its subsidiaries.
TYPICAL APPLICATION
3-22V
VIN
C1
22µF
3.3V
R3
100kΩ
C4
1µF
IN
BST
EN
SW
MP2322
PG
FB
VCC
GND
C3
0.1µF
L1
3.3µH
VOUT
3.3 V/1 A
R1
976kΩ
R2
220kΩ
C2
22µF
Efficiency vs. Output Current
VIN = 12V, VOUT = 3.3V, L = 3.3µH, DCR =
9m
100
90
80
70
60
50
40
30
20
10
0
0.0001 0.001
0.01
Vin=4.5V
Vin=12V
Vin=22V
0.1
1
Load current(A)
MP2322 Rev. 1.01
www.MonolithicPower.com
1
9/6/2019
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.




MPS

MP2322GQH Datasheet Preview

MP2322GQH Datasheet

Step-Down Converter

No Preview Available !

MP2322 22V, 1A, LOW IQ, STEP-DOWN CONVERTER
ORDERING INFORMATION
Part Number*
MP2322GQH
Package
QFN-8 (1.5mmx2mm)
Top Marking
See Below
* For Tape & Reel, add suffix Z (e.g.: MP2322GQHZ).
TOP MARKING
FN: Product code of MP2322GQH
LL: Lot number
PACKAGE REFERENCE
TOP VIEW
GND 1
IN 2
EN 3
VCC 4
8 SW
7 BST
6 PG
5 FB
QFN-8 (1.5mmx2mm)
MP2322 Rev. 1.01
www.MonolithicPower.com
2
9/6/2019
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.


Part Number MP2322GQH
Description Step-Down Converter
Maker MPS
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