amc3842b ADDtek Corp, amc3842b Datasheet - Page 4

• Manufacturer Part Number: amc3842b
• Description: Current Mode Controller
• Manufacturer: ADDtek Corp

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