MP1011A 查看數據表（PDF） - Monolithic Power Systems
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MP1011A Datasheet PDF : 6 Pages
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MP1011A
Cold Cathode Fluorescent Lamp Driver
Absolute Maximum Ratings:
Vcc
25 V
Power Dissipation
1.0 W
Logic Inputs
Thermal resistance
-0.7 V to 6.8V
140° C/W
Junction Temperature
150° C
Lead Temperature (Solder)
260° C
Operating Frequency
150KHz
Storage Temperature
–55° C to 150° C
Recommended Operating Conditions:
Input Voltage Vcc
6.0V to 22V
Brightness Voltage
0 to 2.0V
Enable
0 to 5.0 V
Operating Frequency
20KHz to 90KHz
Operating Temperature -20° C to + 85° C
Electrical Characteristics (Unless otherwise specified Vcc=12v, Ta=25° C)
Parameters
Symbol
Condition
Min Typ Max Units
Reference Voltage
Output Voltage
Reference Current
Line Regulation
Load Regulation
Vref
Iref=3mA
4.85 5.1 5.35 V
Iref
3.0 mA
6.5V < VCC < 22 V
30 mV
0 < Ire < 3.0 mA
30 mV
Voltage Supply
Supply Current (quiescent)
Supply Current (operating)
Operating Range
Icc (off)
Icc (on)
Vcc
6.0V < Vcc < 22V
(Note 2)
10 µA
1.8 2.5 mA
6.0
22 V
Shutdown Logic
Thermal Shutdown
Open Lamp Detect
Vol
Enable Voltage Low
Vil
Enable Voltage High
Vih
Burst Voltage Low
Vil
Burst Voltage High
Vih
145
°C
1.0 1.2 1.4 V
0.6 V
2.0
V
0.8 V
2.4
V
Output Drivers
On Resistance
Short Circuit Current
Operating Frequency
Zero-Crossing Voltage
Ton(min)
Ton(min)
Ron
(Note 1)
0.10 0.12 0.15 Ω
Isc
4
A
20 60 90 KHz
Vzc
0
6
10 mV
Vcomp=0V, Vcc = 22V 500 625 750 nS
Vcomp=0V, Vcc = 6V 900 1200 1500 nS
Brightness Control
Sense Full Brightness
Vsense Vbright= 2.0V
357 375 393 mV
Sense Full Dim
Vsense Vbright= 0V
83 92 101 mV
Lamp Current Regulation
6.0v < Vcc < 22v
2
5%
Note 1: This parameter is guaranteed by design.
Note 2: See Leakage Inductance Guide lines for Minimum Operating Voltage (Table 2).
MPS, Inc 3777 Stevens Creek Blvd.
Suite 400 Santa Clara, 95051-7364 USA
Tel (408) 243-0088, Fax (408) 243-0099
www.monolithicpower.com
Revision 1.7
2
April, 2001
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