MP2108DQ MPS [Monolithic Power Systems], MP2108DQ Datasheet - Page 2

• Manufacturer Part Number: MP2108DQ
• Description: 2A, 6V, 740KHz Synchronous Buck Converter
• Manufacturer: MPS [Monolithic Power Systems]

PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage V
LX Voltage V
BST to LX Voltage .........................
Voltage on All Other Pins...............
Storage Temperature...............
Recommended Operating Conditions
Input Supply Voltage V
Output Voltage V
Operating Temperature..............
ELECTRICAL CHARACTERISTICS
V
MP2108 Rev 1.1
10/2/2006
*
Parameter
Input Voltage Range
Input Undervoltage Lockout
Input Undervoltage Lockout
Hysteresis
Shutdown Supply Current
Operating Supply Current
VREF Voltage
RUN Input Low Voltage
RUN Input High Voltage
RUN Hysteresis
RUN Input Bias Current
Part Number*
IN
For Tape & Reel, add suffix –Z (eg. MP2108DK–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2108DK–LF–Z)
MP2108DK
= 5.0V, T
PGND
SGND
BST
VIN
LX
A
1
2
3
4
5
LX
= +25°C, unless otherwise noted.
.....................
OUT
Package
MSOP10
TOP VIEW
...........................0.9V to 5V
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
IN
IN
............................. 6.5V
...................... 2.6V to 6
–
0.3V to V
–
55°C to +150°C
–
–40°C to +85°C
40°C to +85°C
10
Temperature
9
8
7
6
–
–
MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER
0.3V to +6V
0.3V to +6V
Symbol Condition
RUN
VREF
COMP
FB
SS
V
V
V
V
© 2006 MPS. All Rights Reserved.
IN
REF
HL
IN
IL
+ 0.3V
www.MonolithicPower.com
(2)
(1)
V
V
V
RUN
RUN
IN
= 2.6V to 6V
≤ 0.3V
> 2V, V
Thermal Resistance
MSOP10 ................................ 150 ..... 65... °C/W
QFN10 (3mm x 3mm) ............. 50 ...... 12... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
3) Measured on approximately 1” square of 1 oz copper.
***
**
Part Number**
FB
MP2108DQ
operating conditions.
For Tape & Reel, add suffix –Z (eg. MP2108DQ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2108DQ–LF–Z)
Recommended for output currents higher than 1.5A
= 1.1V
PGND
SGND
EXPOSED PAD
BST
ON BACKSIDE
VIN
LX
1
2
3
4
5
Min
2.6
1.5
(3mm x 3mm)
Package***
TOP VIEW
QFN10
(3)
Typ
100
100
2.2
0.5
1.2
2.4
θ
10
JA
9
8
7
6
–40°C to +85°C
Max
Temperature
1.0
1.8
0.4
RUN
VREF
COMP
FB
SS
1
6
θ
JC
Units
mV
mA
mV
µA
µA
V
V
V
V
V
2