AMC3842B/43B/44B/45B
RECOMMENDED OPERATING CONDITIONS
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
V
CC
/ V
C
30
V
I
,R
T
/C
T
V
I
,I
SENSE
/V
FB
V
O
, Output
I
CC
I
O
I
O(REF)
C
T
f
OSC
T
A
0
0
5.5
30
25
200
-20
100
0
500
70
Units
V
V
V
mA
mA
mA
nF
KHz
O
C
Supply Voltage
Input Voltage
Output Voltage
Supply Current
Average Output Current
Reference Output Current
Timing Capacitor
Oscillator Frequency
Operating Free-air Temperature
1
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperature for AMC384XB with
0
O
C
≤
T
A
≤70
O
C; V
CC
= 15V(note 7); R
T
= 10K;C
T
= 3.3nF. Low duty cycle pulse testing techniques are used which
maintains junction and case temperatures equal to the ambient temperature.
Parameter
Reference Section
Reference output Voltage
V
REF
T
J
= 25
O
C, I
REF
= 1mA
12V
≤
V
CC
≤
25V,T
J
= 25
O
C
1mA
≤
I
REF
≤
20mA
T
J
= 25
O
C
T
J
= 25
O
C
12V
≤
V
CC
≤
25V
T
MIN
≤
T
A
≤
T
MAX
4.9
5.0
6
6
-100
52
0.2
5
1.7
2.85
0.9
3.00
1.0
70
-3.0
3.15
1.1
-10
5.1
20
25
-180
57
1.0
V
mV
mV
mA
KHz
%
%
V
V/V
V
dB
µA
Line Regulation
Load Regulation
Short Ciruit Output Current
I
SC
Oscillator Section
Oscillation Frequency
f
Frequency Change with Voltage
Frequency Change with Temperature
(note 8)
Peak-to-peak Amplitude At R
T
/C
T
V
OSC
Current Sense Section
Gain (note 9 & 10)
A
VOL
Maximum Input Signal (note 9)
V
I(MAX)
Power Supply Rejection Ratio (note 9) PSRR
Input Bias Current
I
BIAS
Symbol
Test Conditions
AMC384XB
Min.
Typ.
Max.
Units
-30
47
COMP = 5V
12V
≤
V
CC
≤
25V (note 9)
Copyright
©
2006 ADDtek Corp.
4
DD019_F --
OCTOBER 2006
ADDTEK [ ADDTEK CORP ]
