H34063AP Datasheet, PDF (2/6 Pages) Hi-Sincerity Mocroelectronics – DC-TO-DC Converter Integrate Circuit Devices

HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : Preliminary Data
Issued Date : 1998.08.01
Revised Date : 1999.06.01
Page No. : 2/6
Pin Connections
8 76
5
1
23
4
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 ............................................................................. -0.3V ~ 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 ..................................................................................................................... 1.6 A
Power Dissipation DIP Package Ta=25°C .......................................................................... 1.0 W
Thermal Resistance Junction To Air............................................................................ 125 °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
Test Condition
Oscillator
Charging Current
5.0V≤VCC≤40V
Discharge Current
5.0V≤VCC≤40V
Voltage Amplitude
Pin3
Discharge to Charge Current Ratio VIPK(Sense) =VCC
Current Limit Sense Voltage
IChg=Idischg
Output Switch
Saturation Voltage, Darlington
Connection
Saturation Voltage
DC Current Gain
Collector Off-State Current
ISW=1.0A,
VC(Driver)=VC(Switch)
ISW=1.0A,
IC(Driver)=50mA
(Forced β ≈ 20)
ISW=1.0A, VCE=5.0V
VCE=30V
Comparator
Threshold Voltage
Threshold Voltage
0°C≤Ta≤70°C
Threshold Voltage Line Regulation 3.0V≤VCC≤40V
Input Bias Current
VIN=0V
VIPK(Sence)=VCC
VPin5>VFB,
Supply Current
5.0V≤VCC≤40V
CT=0.0001uF,Pin2=Gnd
Remaining pins open
Symbol Min. Typ. Max. Unit
Ichg
24 35 42 uA
Idischg
140 220 260 uA
VOSC
- 0.6 - V
IDischg/Ichg 5.2 6.5 7.5
VIPK(Sence) 250 300 350 mV
VCE(Sat)
- 1.0 1.3 V
VCE(Sat)
hFE
ICC(Off)
- 0.4 0.7 V
50 75 - V
- 0.01 100 UA
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
HSMC Product Specification