MP1567 – 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
PACKAGE REFERENCE
TOP VIEW
TOP VIEW
BS
IN
1
2
3
4
5
10 EN
BS
IN
1
2
3
4
5
10
9
EN
9
8
7
6
BP
BP
SW
COMP
FB
SW
8
COMP
FB
PGND
SGND
PGND
SGND
7
SS
6
SS
EXPOSED PAD
ON BACKSIDE
MP1567_PD01_MSOP10
MP1567_PD02_QFN10
Part Number**
Package
Temperature
–40°C to +85°C
Part Number*
Package
Temperature
QFN10
(3mm x 3mm)
MP1567DQ
MP1567DK
MSOP10
–40°C to +85°C
** For Tape & Reel, add suffix –Z (eg. MP1567DQ–Z)
For Tape & Reel, add suffix –Z (eg. MP1567DK–Z)
For Lead Free, add suffix –LF (eg. MP1567DK–LF–Z)
*
For Lead Free, add suffix –LF (eg. MP1567DQ–LF–Z)
Thermal Resistance (3)
MSOP10................................150..... 65... °C/W
3x3 QFN10 .............................50...... 12... °C/W
θJA
θJC
ABSOLUTE MAXIMUM RATINGS (1)
Input Supply Voltage VIN ............................. 6.5V
SW Voltage VSW................... –0.3V to VIN + 0.3V
BS to SW Voltage .........................–0.3V to +6V
Voltage at All Other Pins ...............–0.3V to +6V
Storage Temperature.............. –55°C to +150°C
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
Recommended Operating Conditions (2)
Input Supply Voltage VIN ....................2.6V to 6V
Output Voltage VOUT........................0.9V to 4.5V
Operating Temperature............. –40°C to +85°C
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
V
V
mV
µA
mA
V
V
V
mV
µA
Input Voltage Range
Input Undervoltage Lockout
Input Undervoltage Lockout Hysteresis
Shutdown Supply Current
Operating Supply Current
BP Voltage
EN Input Low Voltage
EN Input High Voltage
EN Hysteresis
VIN
2.6
6
2.2
100
0.5
1.2
2.4
VEN ≤ 0.3V
VEN > 2V, VFB = 1.1V
VIN = 2.6 to 6V
1.0
1.8
VBP
VIL
VHL
0.4
1
1.5
85
100
EN Input Bias Current
Oscillator
Switching Frequency
Maximum Duty Cycle
Minimum On Time
fSW
DMAX
tON
800
200
KHz
%
ns
VFB = 0.7V
MP1567 Rev. 2.4
9/21/2007
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
2
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