MP1527
2A, 1.3MHz
Step-Up Converter
Monolithic Power Systems
Absolute Maximum Ratings
Input Supply Voltage
V
IN
SW Pin Voltage V
SW
Voltage at All Other Pins
Storage Temperature
(Note 1)
Recommended Operating Conditions
IN Input Supply Voltage V
IN
Step Up Output Voltage
Operating Temperature
2.6V to 25V
3.3V to 25V
-40°C to +85°C
90°C/W
46°C/W
-0.3V to 27V
-0.3V to 27V
-0.3V to 6V
-55°C to +150°C
Package Thermal Characteristics
Thermal Resistance
Θ
JA
(TSSOP14)
Thermal Resistance
Θ
JA
(QFN16) (Note 2)
Electrical Characteristics
(V
IN
= 5.0V, T
A
= 25°C unless specified otherwise)
Parameters
IN Shutdown Supply Current
IN Operating Supply Current
BP Output Voltage
IN Undervoltage Lockout Threshold
IN Undervoltage Lockout Hysteresis
EN Input Low Voltage
EN Input High Voltage
EN Input Hysteresis
EN Input Bias Current
SW Switching Frequency
SW Maximum Duty Cycle
Error Amplifier Voltage Gain
Error Amplifier Transconductance
COMP Maximum Output Current
FB Regulation Threshold
FB Input Bias Current
SS Charging Current
FAULT Input Threshold Voltage
FAULT Output Low Voltage
SW On Resistance
SW Current Limit
SW Leakage Current
Thermal Shutdown
V
FB
< 1.0V
V
IN
=5V
V
IN
=3V
(Note 3)
V
SW
= 25V
Conditions
V
EN
<0.3V
V
EN
>2V, V
FB
=1.1V
V
IN
= 2.6V to 25V
V
IN
Rising
Min
Typ
0.5
0.9
2.4
Max
1.0
1.2
2.4
Units
µA
mA
V
V
mV
V
V
mV
nA
MHz
%
V/V
µA/V
µA
V
nA
µA
V
V
mΩ
mΩ
A
µA
°C
2.1
100
1.5
1.0
85
100
100
1.3
90
400
300
30
1.22
-100
2
1.2
0.2
150
225
3.0
0.5
160
0.3
1.5
V
FB
= 1.1V
Sourcing and Sinking
1.196
V
FB
=1.22V
During Soft-Start
1.244
2.0
Note 1: Exceeding these ratings may damage the device.
Note 2: Measured on approximately 1” square of 1oz copper.
Note 3: Guaranteed by design. Not tested.
MP1527 Rev 1.8_8/31/05
Monolithic Power Systems, Inc.
2
MPS [ MONOLITHIC POWER SYSTEMS ]
