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AMC34063ADM Datasheet(PDF) 3 Page - ADDtek Corp

No. de pieza AMC34063ADM
Descripción Electrónicos  DC-DC CONVERTER CONTROL CIRCUITS
PDF  9 Pages
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Fabricante Electrónico  ADDTEK [ADDtek Corp]
Página de inicio  https://www.addmtek.com
Logo ADDTEK - ADDtek Corp

AMC34063ADM Datasheet(HTML) 3 Page - ADDtek Corp

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AMC34063A
Copyright
© 2006 ADDtek Corp.
3
DD014_E -- JUNE 2006
RECOMMENDED OPERATING CONDITIONS
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Units
Comparator Input Voltage
VFB
-0.3 to + 40
V
Switch Collector Voltage
VC(switch)
40
V
Switch Emitter Voltage (VPin1=40V)
VE(switch)
40
V
Switch Collector to Emitter Voltage
VCE(switch)
40
V
Driver Collector Voltage
VC(driver)
40
V
Driver Collector Current (Note 1)
IC(driver)
100
mA
Switch Current
ISW
1.5
A
Timing Capacitor (connected to Cap pin)
CT
1
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°C to 70°C, unless otherwise specified.
AMC34063A
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Units
OSCILLATOR
Frequency
fosc
VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C
24
33
42
KHz
Charge Current
Ichg
VCC = 5.0 V to 40 V, TA = 25°C
24
35
42
µA
Discharge Current
Idischg
VCC = 5.0 V to 40 V, TA = 25°C
140
220
260
µA
Discharge to Charge Current Ratio Idischg/Ichg Pin 7 to VCC, TA = 25°C
5.2
6.5
7.5
-
Current Limit Sense Voltage
Vsense
Ichg = Idischg, TA = 25°C
250
300
350
mV
OUTPUT SWITCH
Saturation Voltage, Darlington
Connection
VCE(sat) ISW = 1.0 A, Pins 1, 8 connected
-
1.0
1.3
V
Saturation Voltage
VCE(sat)
ISW = 1.0 A, Rpin 8 =82 Ω to VCC,
Forced
β = 20
-
0.45
0.7
V
DC Current Gain
hFE
ISW = 1.0 A, VCE = 5.0 V, TA = 25°C
50
75
-
-
Collector Off─State Current
IC(off)
VCE = 40 V
-
0.01
100
µA
COMPARATOR
TA = 25°C
1.225
1.25
1.275
Threshold Voltage
Vth
TA =0°C to 70°C
1.21
-
1.29
V
Threshold Voltage Line Regulation
Regline VCC = 3.0 V to 40 V
-
1.4
5.0
mV
Input Bias Current
IIB
VFB = 0 V
-
-20
-400
nA
TOTAL DEVICE
Supply current
ICC
VCC = 5.0 V to 40 V,
CT = 1.0nF, Pin 7 = VCC,
VFB > Vth, Pin 2= GND, remaining
pins open
-
-
4.0
mA



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