MP1517 – 3A, 25V, 1.1MHz STEP-UP CONVERTER
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
Input Supply Voltage VIN..............–0.3V to +27V
SW Pin Voltage VSW ....................–0.3V to +27V
Voltage at All Other
TOP VIEW
PIN 1
IDENTIFICATION
EXPOSED PAD
CONNECT TO PIN 13
FB
16
SS
NC SGND
15
14
13
Pins except OLS.................................–0.3V to +6V
Storage Temperature ..............–65°C to +150°C
Junction Temperature.............................+150°C
Recommended Operating Conditions (2)
IN Input Supply Voltage VIN ............. 2.6V to 25V
Output Voltage................................. 3.3V to 25V
Operating Temperature .............–40°C to +85°C
COMP
1
2
3
4
12 PGND
NC
BP
EN
11
PGND
10 SW
9
SW
5
6
7
8
SGND NC
OLS
IN
MP1517_PD01-QFN16
Thermal Resistance (3)
θJA
θJC
QFN16 (4mm x 4mm).............46...... 10... °C/W
Part Number*
Package
Temperature
Notes:
QFN16
(4mm x 4mm)
MP1517DR
–40°C to +85°C
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
For Tape & Reel, add suffix –Z (eg. MP1517DR–Z)
For Lead Free, add suffix –LF (eg. MP1517DR–LF–Z)
*
3) Measured on approximately 1” square of 1 oz. Copper.
ELECTRICAL CHARACTERISTICS
VIN = 5.0V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
0.5
0.9
2.4
Max
1.0
Units
µA
IN Shutdown Supply Current
IN Operating Supply Current
BP Voltage
VEN ≤ 0.3V
VEN > 2V, VFB = 0.8V
1.2
mA
V
VIN = 2.6V to 25V
IN Undervoltage Lockout
Threshold
VIN Rising
2.10
1.5
2.40
0.4
V
IN Undervoltage Lockout
Hysteresis
100
mV
EN Input Low Voltage
V
V
EN Input High Voltage
EN Input Hysteresis
100
mV
µA
EN Input Bias Current
1
SW Switching Frequency
SW Maximum Duty Cycle
Error Amplifier Voltage Gain (4)
Error Amplifier Transconductance
COMP Maximum Output Current
FB Regulation Threshold
FB Input Bias Current
fSW
0.9
85
1.1
93
1.3
MHz
%
VFB = 0.6V
AVEA
GEA
400
350
30
V/V
µA/V
µA
Sourcing and Sinking
679
700
721
1
mV
µA
VFB = 0.7V
SS Charging Current
During Soft-Start
2
µA
MP1517 Rev. 1.4
9/21/2007
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