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IMP522 Datasheet(PDF) 2 Page - IMP, Inc

Part # IMP522
Description  Dual EL Lamp Driver
PDF  6 Pages
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Manufacturer  IMP [IMP, Inc]
Direct Link  http://www.ds-imp.com.cn/index.asp
Logo IMP - IMP, Inc

IMP522 Datasheet(HTML) 2 Page - IMP, Inc

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IMP522
IMP522
2
408-432-9100/www.impweb.com
© 2001 IMP, Inc.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
ON-resistance of MOS Switch
RDS(ON)
I = 100mA
4.0
8.0
Ω
Output Voltage Regulation
VCS
VDD = 2.0 to 6.5V,
110
120
V
T = –40°C to 85°C
Output Voltage Peak-to-Peak (in regulation)
VA-VAB, VB-VAB
In Regulation
220
V
Input Current at VDD Pin
IDD
LMPSEL = GND
650
µA
Powerdown Input Current
IDDQ
VRSW–OSC < 100mA
2
µA
VDD = 2.0 to 6.5
T = –40°C to 85°C
Input Crrent Plus Inductor Current
IIN
See Figure 1
30
mA
LMPSEL = GND or VDD
LMPSEL = floating
43
mA
Output Drive Frequency
fEL
See Figure 1
250
Hz
Switching Frequency
fSW
See Figure 1
61
kHz
Switching Duty Cycle
DSW
See Figure 1
88
%
LMPSEL Low-Level Threshold
VIL
0.3 VDD
V
LMPSEL High-Level Threshold
VIH
0.7 VDD
V
LMPSEL Input Resistance
RLMPSEL
50
k
Ω
LMPSEL Sink/Source Resistance
ILMPSEL
Floating/Hign Impedance State
± 5µA
LMPSEL Hysteresis
Vhys
50
mV
4
LX
3
CS
2
RSW-OSC
1
VDD
7
LMPSEL
5
VB
6
GND
8
VAB
9
VA
10 REL-OSC
522_02.eps
IMP522
MicroSO
Part Number
Input Voltage
Temperature Range
Pins-Package
IMP522EMB
2.0V to 6.5V
– 40°C to +85°C
10-MicroSO
VDD, RSW-OSC and REL-OSC . . . . . . . . . . . . . . . . . –0.5V to +7.0V
CS, LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to +120V
Operating Temperature Range . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . –65°C to +150°C
Power Dissipation (MicroSO) . . . . . . . . . . . . . 500mW
VA, VB, VAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to VCS (pin 3)
Unless otherwise noted, VDD = 3.0V, RSW = 910k
Ω, REL = 2.7MΩ, L = 220µH and TA = 25°C.
Note: All voltages are referenced to GND.
These are stress ratings only and functional operation is not
implied. Exposure to absolute maximum ratings for prolonged
time periods may affect device reliability.
Add /T to ordering part number for Tape and Reel.
Ordering Information
Pin Configuration
Absolute Maximum Ratings
Electrical Characteristics



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