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AMC7660DMF Datasheet(PDF) 3 Page - ADDtek Corp

No. de pieza AMC7660DMF
Descripción Electrónicos  DC - DC CONVERTER CONTROL CIRCUIT
PDF  11 Pages
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Fabricante Electrónico  ADDTEK [ADDtek Corp]
Página de inicio  https://www.addmtek.com
Logo ADDTEK - ADDtek Corp

AMC7660DMF Datasheet(HTML) 3 Page - ADDtek Corp

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AMC7660
Copyright
© 2006 ADDtek Corp.
3
DD057_C
--
JUNE 2006
RECOMMENDED OPERATING CONDITIONS
Recommended Operating
Parameter
Symbol
Min.
Typ.
Max.
Units
Comparator Input Voltage
VIR
-0.3 to + 40
V
Switch Collector Voltage
VOC1
40
V
Switch Emitter Voltage (VPin1=40V)
VE1
40
V
Switch Collector to Emitter Voltage
VCE1
40
V
Driver Collector Voltage
VC2
40
V
Driver Collector Current (Note 1)
IC2
100
mA
Switch Current
ISWITCH
1.5
A
Oscillator Timing Capacitor (connected to CT pin)
CT
1.0
nF
Operating Ambient Temperature Range
TA
0 to +70
°C
Note 1: Maximum package power dissipation limits must be observed.
ELECTRICAL CHARACTERISTICS
VCC=5.0 V, TA=0
OC to 70 OC, unless otherwise specified.
AMC7660
Parameter
Symbol
Test Conditions
Min. Typ. Max.
Units
OSCILLATOR
Frequency
Fosc
VIN- = 0 V, CT = 1.0 nF, TA = 25
OC
24
33
42
KHz
Charge Current
Ichg
VCC = 5.0 V to 40 V, TA = 25
OC
24
35
42
µA
Discharge Current
Idischg
VCC = 5.0 V to 40 V, TA = 25
OC
140
220
260
µA
Discharge to Charge Current Ratio
Idischg/Ichg IS to VCC, TA = 25
OC
5.2
6.5
7.5
-
Current Limit Sense Voltage
VIS
Ichg = Idischg, TA = 25
OC
250
300
350
mV
OUTPUT SWITCH
Saturation Voltage, Darlington Connection
VCE1(sat)
ISW = 1.0 A, OC1, OC2 connected
-
0.9
1.3
V
Saturation Voltage
VCE1(sat)
ISW = 1.0 A, 82 Ω connected from
OC2 to VCC, Forced β = 20
-
0.4
0.7
V
DC Current Gain
hFE
ISW = 1.0 A, VCE = 5.0 V, TA = 25
OC
50
75
-
-
Collector Off－State Current
IC(off)
VCE = 40 V
-
0.01
100
µA
COMPARATOR
TA = 25
OC
1.23
1.25
1.27
Threshold Voltage
Vth
TA =0
OC to 70 OC
1.22
-
1.28
V
Threshold Voltage Line Regulation
Vth(line)
VCC = 3.0 V to 40 V
-
1.4
5.6
mV
Input Bias Current
IIB
VIN- = 0 V
-
-20
-400
nA
TOTAL DEVICE
Supply current
ICC
VCC = 5.0 V to 40 V,
CT = 1.0nF, Pin 7 = VCC,
VIN- > Vth, Pin 2= Gnd, remaining
pins open
-
3.0
3.9
mA



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