IMP38C/HC/42/3/4/5
Absolute Maximum Ratings
V
CC
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . 20V
V
CC
Supply Current . . . . . . . . . . . . . . . . . . . . . . 30mA
I
OUT
Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0A
Current-Sense and Feedback Inputs . . . . . . . . 0.3V to 5.5V
Operation Junction Temperature . . . . . . . . . . . +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . – 65°C to +150°C
Lead Soldering Temperature (10 seconds) . . . +300°C
Package Thermal Resistance
8-Pin Plastic DIP (θ
JA
) . . . . . . . . . . . . . . . . . 125°C/W
8-Pin MicroSO (θ
JA
) . . . . . . . . . . . . . . . . . . . 250°C/W
8-Pin SO (θ
JA
) . . . . . . . . . . . . . . . . . . . . . . . . 170°C/W
14-Pin Plastic DIP (θ
JA
) . . . . . . . . . . . . . . . . 90°C/W
14-Pin SO (θ
JA
) . . . . . . . . . . . . . . . . . . . . . . . 145°C/W
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
CC
= 15V, RT = 10kΩ and CT = 3.3nF. Specifications are over the – 40°C to +85°C ambient temperature range.
Bold/blue
specifications indicate enhanced performance features.
Parameter
Reference
Output voltage
Line Regulation
Load Regulation
Temperature Stability
Total Reference Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Oscillator Section
Initial Accuracy
Voltage Stability
Temperature Stability
Discharge Current
Amplitude peak-to-peak
Error Amplifier Section
Input Voltage
Input Bias Current
Open Loop Gain
Unity Gain Bandwidth
Power Supply Rejection Ratio
Output Sink Current
Output Source Current
V
OUT
High
V
OUT
Low
Symbol
V
REF
Conditions
T
A
= +25°C, I
O
= 1mA
12V
≤
V
CC
≤
18V, I
OUT
= 5µA
1mA
≤
I
O
≤
20mA
Min
4.90
Typ
5.00
2
1
0.2
Max
5.10
20
25
5.18
Units
V
mV
mV
mV/°C
V
µV
mV
mA
kHz
%
%/°C
mA
V
V
µA
dB
MHz
dB
mA
mA
TC
REF
V
N
I
SC
f
INIT
TC
OSC
V
OSC, P-P
V
IN
I
B
A
VOL
UGBW
PSRR
I
OL
I
OH
V
OH
V
OL
Note 1
Line, Load, Temperature, Note 1
10Hz
≤
f
≤
10kHz, T
A
= +25°C, Note 1
T
A
= 125°C, 1000 Hours, Note 1
– 30
T
A
= 25°C, Note 5
12V
≤
V
CC
≤
18V
Note 1
V
RT/CT
= 2V
V
RT/CT
peak-to-peak
V
COMP
= 2.5V
V
FB
= 4.5V
2V
≤
V
O
≤
4V, Note 1
Note1
V
START
≤
V
CC
≤
V
CCMAX
V
FB
= 2.7V, Vcomp = 1.1V
V
FB
= 2.3V, Vcomp = 5.0V
V
FB
= 2.3V, R
L
= 15kΩ to ground
V
FB
= 2.7V, R
L
= 15kΩ to V
REF
7.2
1.1
2.45
–1
65
0.7
60
2
– 0.5
4.5
49
4.82
50
TBD
– 40
52
0.2
0.04
8.4
1.7
2.50
90
1.0
6
– 1.0
4.6
0.30
5.0
0.50
12.0
2.3
2.55
1
– 180
55
1.0
V
V
4
408-432-9100/www.impweb.com
© 2000 IMP, Inc.
!S
IMP [ IMP, INC ]
