TM
MP28372 — DUAL 1.5A, 23V, 1.4MHz STEP-DOWN CONVERTER
PACKAGE REFERENCE
TOP VIEW
TOP VIEW
SSA
NC1
1
2
3
4
5
6
7
8
9
20 ENA
SSA
BSA
1
2
3
4
5
6
7
8
16 ENA
15 COMPA
14 FBA
13 GNDB
12 SWB
11 INB
19 COMPA
18 FBA
17 SGB
16 PGB
15 SWB
14 INB
BSA
INA
INA
SWA
SWA
PGA
GNDA
FBB
SGA
COMPB
ENB
10 BSB
FBB
13 NC2
12 BSB
11 SSB
9
SSB
COMPB
ENB 10
EXPOSED PAD
FOR TSSOP20F ONLY
Part Number*
Package
Temperature
Part Number*
Package
TSSOP20F
Temperature
MP28372DS
SOIC16
MP28372DF
–40°C to +85°C
–40°C to +85°C
For Tape & Reel, add suffix –Z (eg. MP28372DS–Z)
For Lead Free, add suffix –LF (eg. MP28372DS–LF–Z)
For Tape & Reel, add suffix –Z (eg. MP28372DF–Z)
For Lead Free, add suffix –LF (eg. MP28372DF–LF–Z)
*
*
Recommended Operating Conditions (2)
Supply Voltage (VIN) ...................... 4.75V to 23V
Operating Temperature.................–40°C to +85°C
ABSOLUTE MAXIMUM RATINGS (1)
Supply Voltage (INA, INB )................................ 25V
Switch Voltage (SWA, SWB).............................. 26V
Bootstrap Voltage (BSA, BSB) ..................VSW + 6V
Feedback Voltage (FBA, FBB) ............–0.3V to +6V
Enable/UVLO Voltage (ENA, ENB)......–0.3V to +6V
Comp Voltage (COMPA, COMPB)...........–0.3V to +6V
Soft Start Voltage (SSA, SSB).............–0.3V to +6V
Junction Temperature.............................+150°C
Lead Temperature ..................................+260°C
Storage Temperature.............. –65°C to +150°C
Thermal Resistance (3)
θJA
θJC
TSSOP20F .............................40....... 6.... °C/W
SOIC16..................................105..... 40... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
MP28372 Rev. 1.4
12/10/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
2
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