MP1522 – 25V STEP-UP CONVERTER IN A SOT23-5 PACKAGE
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
BIAS .............................................. –0.3V to 28V
SW................................................. –0.5V to 28V
All Other Pins................................... –0.3V to 6V
Junction Temperature...............................150°C
TOP VIEW
SW
GND
FB
1
2
3
5
BIAS
Solder Temperature..................................260°C
Storage Temperature ................–65°C to 150°C
Recommended Operating Conditions (2)
BIAS Supply Voltage ....................... 2.7V to 25V
Output Voltage....................................VIN to 25V
Operating Temperature .............–20°C to +85°C
4
EN
MP1522_PD01-TSOT23-5
Thermal Resistance (3)
θJA
θJC
SOT23-5................................220.... 110.. °C/W
3x3 QFN6 ...............................50...... 14... °C/W
Part Number*
Package
Temperature
–20°C to +85°C
–20°C to +85°C
MP1522ET
MP1522EQ
SOT23-5
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3x3 QFN6
For Tape & Reel, add suffix –Z (eg. MP1522ET–Z)
For Lead Free, add suffix –LF (eg. MP1522ET–LF–Z)
*
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
VBIAS = VEN = 5.0V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
IBIAS (OFF) VEN = 0V
IBIAS(ON) VFB = 1.3V
Min
Typ
1
650
550
Max
3
750
700
Units
µA
µA
Supply Current (Shutdown)
Supply Current (Quiescent)
Min Off Time, Normal
Operation
TOFF
VFB = 1.23V
300
ns
Min Off Time, Start-Up (4)
TOFF
VFB = 0V
1.6
2.3
µs
V
Undervoltage Lockout
BIAS Under Voltage Lockout UVLO VBIAS Rising,
100mV Hysteresis (Typical)
Enable
EN Threshold
2.1
0.8
2.65
VEN Rising
VEN = 0V, 5V
VFB Falling
VFB = 1.23V
VBIAS = 5.0V
VSW=25V
1.1
60
2.0
1
V
mV
µA
EN Hysteresis
EN Input Bias Current
Feedback Comparator
FB Regulation Threshold
FB Hysteresis (5)
FB Input Bias Current
Output Switch
1.19
1.23
10
–80
1.27
V
mV
nA
–150
SW On-Resistance (5)
SW Current Limit
SW Leakage Current
Thermal Shutdown (5)
RON
0.5
450
0.6
10
Ω
300
mA
µA
°C
160
Notes:
4) First 64 pulses after EN switches High
5) Guaranteed by design.
MP1522 Rev. 1.9
12/9/2005
www.MonolithicPower.com
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2
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