PL34063AQ8 Datasheet, PDF (2/7 Pages) Cystech Electonics Corp. – DC-to-DC Converter Control Circuit

Pin Connections
8765
1 2 34
CYStech Electronics Corp.
Spec. No. : C501Q8
Issued Date : 2003.03.21
Revised Date :
Page No. : 2/7
Pin1:Switch Collector
Pin2:Switch Emitter
Pin3:Timing Capacitor
Pin4:Gnd
Pin5:Comparator Inverting Input
Pin6:Vcc
Pin7:Ipk Sense
Pin8:Driver Collector
Absolute Maxium Rating
Supply Voltage ....................................................................................................................................... 40 V
Comparator Input Voltage Range ........................................................................................... -0.3 V ~ 40 V
Switch Collector Voltage ....................................................................................................................... 40 V
Switch Emitter Voltage .......................................................................................................................... 40 V
Switch Collector to Emitter Voltage ...................................................................................................... 40 V
Driver Collector Voltage ........................................................................................................................ 40 V
Switch Current ....................................................................................................................................... 1.6A
Power Dissipation DIP Package Ta=25°C........................................................................................ 625 mW
Thermal Resistance Junction to Air............................................................................................. 160 °C / W
Operating Junction Temperature......................................................................................................... 125 °C
Operating Ambient Temperature Range......................................................................................... 0 ~ 70 °C
Storage Temperature Range.................................................................................................. -40 °C ~ 125 °C
Electrical Characteristics (Vcc=5V,Ta=25°C, unless otherwise specified)
Parameter
Oscillator
Charging Current
Discharge Current
Voltage Amplitude
Discharge to Charge Current Ratio
Current Limit Sense Voltage
Output Switch
Saturation Voltage, Darlington
Connection
Saturation Voltage
DC Current Gain
Collector Off-State Current
Comparator
Threshold Voltage
Threshold Voltage
Threshold Voltage Line Regulation
Input Bias Current
Supply Current
Test Condition
Symbol Min. Typ. Max. Unit
5.0V≤VCC≤40V
5.0V≤VCC≤40V
Pin3
VIPK(Sense) =VCC
IChg=Idischg
Ichg
Idischg
VOSC
IDischg/Ichg
VIPK(Sence)
24 35 42 uA
140 220 260 uA
- 0.6 - V
5.2 6.5 7.5
250 300 350 mV
ISW=1.0A,
VC(Driver)=VC(Switch)
ISW=1.0A, IC(Driver)=50mA
(Forced β ≈ 20)
ISW=1.0A, VCE=5.0V
VCE=40V
VCE(Sat)
VCE(Sat)
hFE
ICC(Off)
- 1.0 1.3 V
- 0.4 0.7 V
50 75 - V
- 0.01 100 uA
0°C≤Ta≤70°C
3.0V≤VCC≤40V
VIN=0V
VIPK(Sence)=VCC
VPin5>VFB,
5.0V≤VCC≤40V
CT=0.0001uF,Pin2=Gnd
Remaining pins open
VFB
Regline
IIB
1.227 1.250 1.273
1.210 - 1.29
V
- 1.5 6 mV
- -20 -400 nA
ICC
- 1.6 3 mA
PL34063AQ8
CYStek Product Specification