EV0035 Просмотр технического описания (PDF) - Monolithic Power Systems
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EV0035 Datasheet PDF : 7 Pages
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MP1523 – PRECISION 6-LAMP WHITE LED DRIVER
INITIAL RELEASE
PACKAGE REFERENCE
TOP VIEW
SW 1
5 BIAS
GND 2
FB 3
4 EN
MP1523_PD01-SOT23-5
Part Number*
MP1523DT
EV0035
Package
Temperature
SOT23-5
-40°C to +85°C
Evaluation Board
* For Tape & Reel, add suffix –Z (eg. MP1523DT–Z)
For Lead Free, add suffix –LF (eg. MP1523DT–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
BIAS ............................................... -0.3V to 28V
SW.................................................. -0.5V to 28V
All Other Pins.................................... -0.3V to 6V
Storage Temperature ...............-55°C to +150°C
Recommended Operating Conditions (2)
BIAS Supply Voltage ....................... 2.7V to 25V
Output Voltage....................................VIN to 25V
Operating Temperature ..............-40°C to +85°C
Thermal Resistance (3)
ΘJA (SOT23-5) ..................................... 220°C/W
ΘJC (SOT23-5) ..................................... 110°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS (4)
VBIAS = VEN = 5.0V, TA = 25°C, unless otherwise noted.
Parameter
Symbol Condition
Supply Current (shutdown)
Supply Current (quiescent)
Minimum Off Time, Normal
Operation
Minimum Off Time, Start-Up
Undervoltage Lockout
BIAS Under Voltage Lockout
Open Lamp Shutdown Threshold
Enable
EN Threshold
EN Hysteresis
EN Input Bias Current
Feedback Comparator
FB Regulation Threshold
FB Hysteresis (5)
FB Input Bias Current
Output Switch
SW On-Resistance (5)
SW Current Limit
SW Voltage
Thermal Shutdown (5)
Thermal Shutdown Hysterisis (5)
IBIAS (OFF)
IBIAS (ON)
TOFF
TOFF
UVLO
RON
BV
VEN = 0V
VFB = 0.45V
VFB = 0V
VFB = 0V (4)
VBIAS Rising, 100mV Hysteresis
VBIAS Rising
VEN Rising
VEN = 0V, 5V
VFB Falling
VFB = 0.2V
ISW = 10µA
Notes:
4) First 64 pulses after EN switches high.
5) Guaranteed by design.
Min Typ Max Units
1
3 µA
650 750 µA
300 550 700 ns
1.25 1.6
µs
2.1 2.3 2.65 V
28
V
0.8 1.1 1.5 V
60
mV
1 µA
380 400 420 mV
10
mV
-150 -80
nA
0.5 0.6 Ω
300 450 650 mA
25
V
160
°C
15
°C
07/04, Rev. 1.6
www.MonolithicPower.com
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