IMP803
Pin Configuration
SO/ MicroSO
V
DD
R
SW-OSC
C
S
L
X
1
2
3
4
IMP803
8
7
6
5
R
EL-OSC
V
A
V
B
GND
803_02.eps
Pin Compatible With HV803 and IMP560
Ordering Information
Part Number
IMP
803
LG
IMP
803
IMA
IMP
803
SX*
IMP
803/
D1**
Input Voltage
2.0V to 6.5V
2.0V to 6.5V
2.0V to 6.5V
2.0V to 6.5V
Regulated Output Voltage
Yes
Yes
Yes
Yes
Temperature Range
– 40°C to +85°C
– 40°C to +85°C
25°C
25°C
Pins-Package
8-SO
8-MicroSO
Dice
Dice
* Disable pad not active
** Disable pad active
Add /T to ordering part number for Tape and Reel.
Absolute Maximum Ratings
V
DD
, V
RSW-OSC
and V
REL-OSC
. . . . . . . . . . . . . . . –0.5V to +7.0V
V
CS
, L
X
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to +120V
Operating Temperature Range . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . –65°C to +150°C
Power Dissipation (SO) . . . . . . . . . . . . . . . . . . 400mW
Power Dissipation (MicroSO) . . . . . . . . . . . . . 300mW
V
A
, V
B
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to V
CS
(pin 3)
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.
Electrical Characteristics
Unless otherwise noted, V
DD
= 3.0V, R
SW
= 750kΩ, R
EL
= 2.0MΩ, and T
A
= 25°C.
Parameter
ON-resistance of MOS Switch
Output Voltage Regulation
Output Voltage Peak-to-peak (in regulation)
Quiescent V
DD
Supply Current, Disabled
Input Current at V
DD
Pin
Input Current at V
DD
Pin
Input Current: I
DD
Plus Inductor Current
Output Voltage at V
CS
V
A-B
Output Drive Frequency
Switching Frequency
Switching Duty Cycle
Symbol
R
DS(ON)
V
CS
V
A
-V
B
I
DDQ
I
DD
I
DD
I
IN
V
CS
f
EL
f
SW
D
SW
Conditions
I = 100mA
V
DD
= 2.0 to 6.5V
V
DD
= 2.0 to 6.5V
V
RSW-OSC
< 100mV
V
DD
= 3.0V, See Figure 1
V
DD
= 5.0V, See Figure 2
V
DD
= 3.0V, See Figure 1
V
DD
= 3.0V, See Figure 1
V
DD
= 3.0V, See Figure 1
V
DD
= 3.0V, See Figure 1
V
DD
= 3.0V, See Figure 1
Min
80
160
Typ
3.5
90
180
20
420
500
20
74
370
70
88
Max
8
100
200
200
700
750
31
100
430
90
Units
Ω
V
V
nA
µA
µA
mA
V
Hz
kHz
%
© 2000 IMP, Inc.
60
300
50
2
408-432-9100/www.impweb.com
IMP [ IMP, INC ]
