AMS494
Electrical Characteristics
(V = 20V, f = 10KHz, T = 0°C to + 70°C, unless otherwise specified)
CC
A
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
REFERENCE SECTION
Reference Output Voltage
Line Regulation
V
I
= 1mA
REF
4.75
5.0
2.0
5.25
25
V
REF
∆V
V
= 7V to 40V
-
-
mV
REF
CC
Temperature Coefficient of V
Load Regulation
∆V
/∆T T = 0°C to 70°C
0.01 0.03 %/°C
REF
REF
A
∆V
I
= 1mA to 10mA
REF
-
1.0
35
15
50
mV
mA
REF
SC
Short-Circuit Output Currnet
OSCILLATOR SECTION
Oscillation Frequency
I
V
= 0V
10
REF
f
C = 0.01µF, R = 12KΩ
-
-
10
-
-
KHz
%
T
T
Frequency Change with Temperature
DEAD TIME CONTROL SECTION
Input Bias Current
∆f/∆T
C = 0.01µF, R = 12KΩ
2
T
T
I
V
V
= 15V, 0V≤V ≤5.25V
-
-2.0
-
-10
-
µA
BIAS
CC
4
= 15V, V = 0V
CC
4
Maximum Duty Cycle
D
(MAX)
45
%
O.C Pin = V
REF
Input Threshold Voltage
V
Zero Duty Cycle
Max. Duty Cycle
-
3.0
-
3.3
-
ITH
V
0
ERROR AMP SECTION
Input Offset Voltage
V
V = 2.5V
-
-
2.0
25
0.2
-
10
250
1.0
mV
mA
µA
V
IO
3
Input Offset Current
I
V = 2.5V
3
IO
Input Bias Current
I
V = 2.5V
3
-
BIAS
Common Mode Input Voltage
Open-Loop Voltage Gain
Unit-Gain Bandwidth
V
7V ≤ V
≤ 40V
-0.3
70
-
V
CC
CM
CC
G
0.5V ≤ V ≤3 .5V
95
650
-
-
dB
VO
3
BW
-
KHz
PWM COMPARATOR SECTION
Input Threshold Voltage
Input Sink Currnet
V
Zero Duty Cycle
-
4
4.5
-
V
ITH
I
V =0.7V
3
-0.3
-0.7
mV
SINK
OUTPUT SECTION
Output Saturation Voltage
Common Emitter
V
V
V = 0, I = 200mA
-
1.1
1.3
CE(SAT)
E
C
V
Common Collector
Collector Off-State Currnet
Emitter Off-State Current
TOTAL DEVICE
V
V
V
= 15V, I = -200mA
-
-
-
1.5
2
2.5
100
-100
CC(SAT)
C
E
I
= 40V, V
= 40V
CE
C(OFF)
CC
CC
µA
I
= V = 40V, V = 0
-
E(OFF)
C
E
Supply Current
I
Pin 6 = V , V
REF CC
= 15V
-
6
10
mA
CC
OUTPUT SWITCHING CHARACTERISTIC
Rise Time
t
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
R
Common Emitter
Common Collector
Fall Time
-
100
100
-
200
200
-
ns
-
-
t
F
Common Emitter
Common Collector
-
25
40
100
100
ns
-
3
Advanced Monolithic Systems http://www.ams-semitech.com
AMS [ Advanced Monolithic Systems Ltd ]
