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MP2307DN-LF-Z

P1-P3P4-P6P7-P9P10-P12
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP2307 Rev. 1.9 www.MonolithicPower.com 10
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
5) Connect IN, SW, and especially GND
respectively to a large copper area to cool
the chip to improve thermal performance
and long-term reliability.
TOP Layer
Bottom Layer
Figure 2―PCB Layout (Double Layer)
External Bootstrap Diode
An external bootstrap diode may enhance the
efficiency of the regulator, the applicable
conditions of external BS diode are:
z V
OUT
is 5V or 3.3V; and
z Duty cycle is high: D=
IN
OUT
V
V
>65%
In these cases, an external BS diode is
recommended from the output of the voltage
regulator to BS pin, as shown in Figure3
MP2307
SW
BS
C
L
BST
C
5V or 3.3V
OUT
External BST Diode
IN4148
Figure 3—Add Optional External Bootstrap
Diode to Enhance Efficiency
The recommended external BS diode is IN4148,
and the BS cap is 0.1~1µF.
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP2307 Rev. 1.9 www.MonolithicPower.com 11
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUIT
INPUT
4.75V to 23V
OUTPUT
3.3V
3A
C3
3.9nF
D1
B130
(optional)
C5
10nF
MP2307
BSIN
FB
SW
SS
GND COMP
EN
12
3
5
64
8
7
C6
(optional)
MP2307_F03
Figure 4—MP2307 with 3.3V Output, 22uF/6.3V Ceramic Output Capacitor
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third
party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not
assume any legal responsibility for any said applications.
MP2307 Rev. 1.9 www.MonolithicPower.com 12
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
PACKAGE INFORMATION
SOIC8N (EXPOSED PAD)
SEE DETAIL "A"
0.0075(0.19)
0.0098(0.25)
0.050(1.27)
BSC
0.013(0.33)
0.020(0.51)
SEATING PLANE
0.000(0.00)
0.006(0.15)
0.051(1.30)
0.067(1.70)
TOP VIEW
FRONT VIEW
SIDE VIEW
BOTTOM VIEW
NOTE:
1) CONTROL DIMENSION IS IN INCHES. DIMENSION IN
BRACKET IS IN MILLIMETERS.
2) PACKAGE LENGTH DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS.
3) PACKAGE WIDTH DOES NOT INCLUDE INTERLEAD FLASH
OR PROTRUSIONS.
4) LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING)
SHALL BE 0.004" INCHES MAX.
5) DRAWING CONFORMS TO JEDEC MS-012, VARIATION BA.
6) DRAWING IS NOT TO SCALE.
0.089(2.26)
0.101(2.56)
0.124(3.15)
0.136(3.45)
RECOMMENDED LAND PATTERN
0.213(5.40)
0.063(1.60)
0.050(1.27)
0.024(0.61)
0.103(2.62)
0.138(3.51)
0.150(3.80)
0.157(4.00)
PIN 1 ID
0.189(4.80)
0.197(5.00)
0.228(5.80)
0.244(6.20)
14
85
0.016(0.41)
0.050(1.27)
0
o
-8
o
DETAIL "A"
0.010(0.25)
0.020(0.50)
x 45
o
0.010(0.25) BSC
GAUGE PLANE
P1-P3P4-P6P7-P9P10-P12

MP2307DN-LF-Z

Mfr. #:
Buy MP2307DN-LF-Z
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Switching Voltage Regulators 3A/23VSynchRectified Step-down Converter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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