34063AN データシートの表示（PDF） - IK Semicon Co., Ltd
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34063AN Datasheet PDF : 10 Pages
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ORDERING INFORMATION
Device Temperature Range
34063AD
34063AN
0° to +70°C
Package
SO-8
Plastic DIP
I L 34063A
Pin connection
ELECTRICAL CHARACTERICISTICS
(VCC = 5.0 V, TA= 0 to +70oC unless otherwise specified.)
Characteristics
Symbol
Min
Typ
OSCILLATOR
Frequency (VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C)
fosc
24
33
Charge Current (VCC = 5.0 V to 40 V, TA = 25°C)
Ichg
24
33
Discharge Current (VCC = 5.0 V to 40 V, TA = 25°C)
Idischg
140
200
Discharge to Charge Current Ratio (Pin7 to Vcc, TA=25°C)
Idischg/Ichg 5.2
6.2
Current Limit Sense Voltage (Ichg = Idischg, TA = 25°C)
Vipk(sense) 250
300
OUTPUT SWITCH (Note 3)
Saturation Voltage, Darlington Connection (ISW = 1.0 A, Pins 1, 8 VCE(sat)
—
1.0
connected)
Saturation Voltage (ISW = 1.0 A, RPin 8 = 82 Ω to VCC.
VCE(sat)
—
0.45
Forced β = 20)
DC Current Gain (ISW = 1.0 A, VCE = 5.0 V, TA = 25°C)
hFE
50
120
Collector Off-State Current (VCE = 40V)
IC(off)
—
0.01
COMPARATOR
Threshold Voltage (TA = 25°C)
(TA = TLOW to THIGH)
Vth
1.225 1.25
1.21
—
Threshold Voltage (TA = 25°C) **
Vth
1.2375 1.25
Threshold Voltage Line Regulation (VCC = 3 0 V to 40 V)
Regline
1.4
Input Bias Current (Vin=0V)
IIB
—
-40
TOTAL DEVICE
Supply Current (VCC = 5 0 V to 40 V, CT = 1 0 nF, Vpin7 = VCC. ICC
2.5
VPin5 > Vth, Pin 2 = Gnd, Remaining pins open)
Max Unit
42
kHz
42
µA
260 µA
7.5
—
350 mV
1.3
V
0.7
V
—
—
100 µA
1.275 V
1.29
1.2625 V
5.0
mV
-400 nA
4.0
mA
NOTES:
1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain Junction temperature as close to ambient temperature as possible
3. If the output switch is driven into hard saturation (non Darlington configuration) at low switch currents (< 300 mA) and high
driver currents (>30 mA), it may take up to 2.0 µs to come out of saturation This condition will shorten the off' time at frequencies >
30 kHz, and is magnified at high temperatures This condition does not occur with a Darlington configuration, since the output switch
cannot saturate If a non Darlington configuration is used, the following output drive condition is recommended
Forced β of output switch = IC, output/(Ic, driver -7.0 mA*) > 10
*The 100 Ω. resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts
**Possible version for shipment
2011, February, Rev. 02
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