MP1542 MPS, MP1542 Datasheet - Page 2

• Manufacturer Part Number: MP1542
• Description: Monolithic Power Systems
• Manufacturer: MPS

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
Note:
4) Guaranteed by design.
01/05, Rev. 1.0
*
Parameter
Operating Input Voltage
Undervoltage Lockout
Undervoltage Lockout
Hysteresis
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
FSEL High Threshold
FSEL Low Threshold
Maximum Duty Cycle
EN High Threshold
EN Low Threshold
EN Input Bias Current
Soft-Start Current
FB Voltage
FB Input Bias Current
Error Amp Voltage Gain
Error Amp
Transconductance
Error Amp Output Current
SW On-Resistance
SW Current Limit
SW Leakage
Thermal Shutdown
Part Number*
IN
For Tape & Reel, add suffix –Z (eg. MP1542DK–Z)
For Lead Free, add suffix –LF (eg. MP1542DK–LF–Z)
MP1542DK
= V
COMP
EN
GND
EN
FB
= 5V, T
1
2
3
4
(4)
A
TOP VIEW
(4)
= 25°C, unless otherwise noted.
(4)
Package
MSOP8
Symbol Condition
A
MP1542_PD01-MSOP8
G
R
MPS Proprietary Information. © 2005 All Rights Reserved.
MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH
V
f
SW
8
7
6
5
VEA
ON
IN
EA
–40°C to +85°C
Unauthorized Photocopy and Duplication Prohibited.
Temperature
SS
FSEL
IN
SW
V
V
V
V
V
V
V
V
V
V
Duty Cycle = 50%
V
IN
EN
FB
FSEL
FSEL
FSEL
FB
FB
EN
EN
SW
Rising
= 1.35V
= 0V, V
= 0V, V
= 0V
Rising
= 0V, 5V
= 20V
= V
= GND
Rising
IN
FSEL
FSEL
= V
= GND
IN
ABSOLUTE MAXIMUM RATINGS
SW ............................................... –0.5V to +25V
IN ............................................... –0.5V to +25V
All Other Pins.............................. –0.3V to +6.5V
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature ................–65°C to 150°C
Recommended Operating Conditions
Supply Voltage V
Output Voltage V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
MSOP8 .................................. 150 ..... 65... °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.
operating conditions.
1.225
–200
2.15
Min
560
2.5
1.1
0.5
0.5
85
92
OUT
IN
........................... 2.5V to 22V
........................... 3V to 22V
(3)
–100
1000
1.25
0.18
Typ
100
700
700
350
160
0.1
1.3
90
95
35
6
2
INITIAL RELEASE
θ
JA
1.275
Max
2.45
900
840
1.5
1.5
1.5
22
1
1
1
θ
JC
Units
µmho
MHz
KHz
V/V
mV
µA
µA
µA
µA
nA
µA
µA
°C
%
Ω
V
V
V
V
V
V
V
A
(2)
(1)
2