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MP8042 – HIGH CURRENT, DUAL CHANNEL POWER HALF-BRIDGE
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
MP8042 Rev. 0.9
5/23/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
NC
AGND1
PWM1
STBY
PWM2
FAULT
SHDN
AGND2
NC
VDR2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VDR1
BST1
PGND1
OUT1
VDD1
NC
VDD2
OUT2
PGND2
BST2
TOP VIEW
EXPOSED PAD
Part Number*
MP8042DF
Package
TSSOP20F
Temperature
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP8042DF–Z)
For RoHS Compliant Packaging, add suffix –LF (eg.
MP8042DF–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
VDD1/2 Supply Voltage............................... 26V
OUT1/2 Pin Voltage............ –0.3V to V
DD
+ 0.3V
OUT1/2 to BST1/2.........................–0.3V to +6V
Voltage at All Other Pins ...............–0.3V to +6V
Storage Temperature ..............–55
°
C to +150
°
C
Recommended Operating Conditions
(2)
VDD1/2 Supply Voltage...................7.5V to 24V
Peak Output Current......................6A Maximum
Operating Temperature .............–40
°
C to +85
°
C
Thermal Resistance
(3)
TSSOP20F .............................40....... 6....
°
C/W
θ
JA
θ
JC
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.
ELECTRICAL CHARACTERISTICS
V
DD1
= V
DD2
= 12V,
SHDN
V
= 5V, T
A
= +25
°
C, unless otherwise specified.
Parameters
VDD Operating Current
VDD Shutdown Current
VDD Operating Threshold, Low
Symbol Condition
I
LOAD
= 0A
V
SHDN
= 0V
Min
5.8
Typ
2.1
4.0
6.1
Max
2.5
10
Units
mA
μA
V
VDD Operating Threshold, High
6.63
7.2
V
STBY
Threshold, Low
1.0
1.2
V
STBY
Threshold, High
1.85
2.0
V
SHDN Threshold, Low
1.0
1.2
V
SHDN
Threshold, High
PWM
1,2
Threshold, Low
PWM
1,2
Threshold, High
PWM Input Bias Current
1.9
2.0
V
V
DD
= 7.5V, High-Side and Low-
Side
V
PWM
= 5, Sinking
V
PWM
= 0, Sourcing
1.5
1.69
1.83
1
V
V
μA
2.0
OUT On Resistance
(4)
0.15
5
5
A
A
OUT Current Limit
(4)