MP1583 – 3A, 23V, 385KHz STEP-DOWN CONVERTER
ORDERING INFORMATION
Part Number*
MP1583DN
MP1583DP
Package
SOIC8E
PDIP8
Top Marking
MP1583DN
MP1583DP
Free Air Temperature (T
A
)
–40°C to +85°C
–40°C to +85°C
*
For Tape & Reel, add suffix –Z (e.g. MP8736DL–Z)
For RoHS compliant packaging, add suffix –LF (e.g. MP8736DL–LF–Z)
PACKAGE REFERENCE
TOP VIEW
SOIC8N/PDIP8
BS
IN
SW
GND
1
2
3
4
8
7
6
5
SS
EN
COMP
FB
EXPOSED PAD
(SOIC8N ONLY)
CONNECT TO PIN 4
MP1583_PD01
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage V
IN
.......................–0.3V to +28V
Switch Voltage V
SW
................. –1V to V
IN
+ 0.3V
Bootstrap Voltage V
BS
....V
SW
– 0.3V to V
SW
+ 6V
FB, COMP and SS Pins.................–0.3V to +6V
(2)
Continuous Power Dissipation (T
A
= +25°C)
SOIC8E...................................................... 2.5W
PDIP8 ........................................................ 1.2W
Junction Temperature ...............................150°C
Lead Temperature ....................................260°C
Storage Temperature ............. –65°C to +150°C
Thermal Resistance
(4)
SOIC8E .................................. 50 ...... 10...
°C/W
PDIP8 .................................... 104 ..... 45...
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature T
J
(MAX), the junction-to-
ambient thermal resistance
θ
JA
, and the ambient temperature
T
A
. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by P
D
(MAX)=(T
J
(MAX)-
T
A
)/θ
JA
. Exceeding the maximum allowable power dissipation
will cause excessive die temperature, and the regulator will go
into thermal shutdown. Internal thermal shutdown circuitry
protects the device from permanent damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB
θ
JA
θ
JC
Recommended Operating Conditions
(3)
Input Voltage V
IN
............................4.75V to 23V
Operating Junct. Temp (T
J
)...... -40°C to +125°C
MP1583 Rev. 3.1
6/20/2011
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
2
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