AMC3202 Datasheet, PDF (4/11 Pages) ADDtek Corp – 1.5A 280kHz BOOST REGULATORS

AMC3202
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol Min
Typ
Supply Voltage
V_IN
2.7
Average Supply Current
I_IN
Output Voltage
V_OUT
Operating Free-air Temperature Range
T_A
Max Unit
30
V
1.3
A
42
V
85°C °C
DC ELECTRICAL CHARACTERISTICS
V_CC = 3.3V, T_A = 25°C, (Unless otherwise noted)
Parameter
Conditions
Min
FB Reference Voltage
FB Input Current
FB Reference Voltage Line
Regulation
COMP tied to FB; Measure at FB;
2.7V≦V_CC≦30V
FB=V_REF
COMP=FB, 2.7V≦V_CC≦30V
1.246
-1.0
-
Error Amp Transconductance I_COMP=±25uA ^(Note)
300
Error Amp Gain
(Note)
200
COMP Source Current
FB=1.0V, COMP=1.25V
25
COMP Sink Current
FB=1.5V, COMP=1.25V
200
COMP High Clamp Voltage FB=1.0V, COMP sources 25uA
1.5
COMP Low Clamp Voltage FB=1.5V, COMP sinks 25uA
0.25
COMP Threshold
Reduce COMP from 1.5V until switching
stops
0.75
Base Operating Frequency
FB=1V
230
Reduced Operating Frequency FB=0V
30
Maximum Duty Cycle
FB=1V
90
FB Frequency Shift Threshold
Frequency drops to reduced operating
frequency
0.36
Synchronization Range
320
Synchronization Pulse
Transition Threshold
Rise time=20ns
2.5
EN=0V
-15
EN Bias Current
EN=3.0V
-
Shutdown Threshold
0.50
2.7V≦V_CC≦12V
12
Shutdown Delay
12V≦V_CC≦30V
12
Typ
1.276
0.1
0.01
550
500
50
625
1.7
0.50
1.05
280
52
94
0.40
-
-
-3.0
3.0
0.85
80
36
Max Unit
1.300 V
1.0 uA
0.03 %/V
800
uMh
o
-
V/V
90 uA
1500 uA
1.9
V
0.65 V
1.30 V
310 kHz
120 kHz
-
%
0.44 V
500 kHz
-
V
-
uA
8.0
1.20 V
350
uS
200
Copyright © 2006 ADDtek Corp.
4
DD074_B -- AUGUST 2006