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Primary Regulators
PQ1PD1
PQ1PD1
s Features
(Under Development) Primary Regulator for Switching Power Supply (100W Class)
s Outline Dimensions
(Unit : mm)
5 - terminal lead forming package (equivalent to TO-3P) Built-in oscillation circuit (oscillation frequency : 100kHz) Output for power supply : 100W class Built-in overheat protection, overcurrent protection function
MAX 17 3.2
4.50.2
2.00.2
PQ1PD1
(33.0)
4-(2.54) 12345 qqqqq
(0.5)
3.20.5
8.20.7 ( ) : Typical dimensions
1 Drain (VDS) 2 GND 3 Control (CA) 4 Feed back (FB) 5 Supply voltage (VCC)
s Absolute Maximum Ratings
*1
(Ta=25C) Symbol VDS ID VCC VFB ICA PD Tj Topr Tstg Tsol Rating 500 8 35 4 2 45 150 -20 to +80 -40 to +150 260 (For 10s) Unit V A V V mA W C C C C
*2
*3 *4
Parameter Drain-GND(source)voltage Drain current Power supply voltage FB terminal input voltage CA terminal input current Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature
Voltage between VCC terminal and GND terminal. Voltage between FB-terminal and GND terminal. With infinite heat sink, Refer to Fig. 2 Overheat protection may operate at 125=*1 *2 *3 *4
* Please refer to the chapter " Handling Precautions ".
" In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. "
MIN 5
(0.6)
5.0
Switching power supplies for word processors Switching power supplies for personal computers Switching power supplies for TVs
8.00.2 23.50.7
s Applications
Primary Regulators
PQ1PD1
s Electrical Characteristics
(Unless otherwise specified, conditions shall be VDS=10V,VCC=18V,VCA=OPEN,VFB=2.2V,RL=56, Ta=25C) Symbol RDS (ON) IDSS fo fo foL DMAX VFBL VFB FC VFBH VFB OCP IFB VCAL VCAH VCA(ON/OFF) VCA FC VCA(OVP) ICAIN ID(OVP) VCC(ON) VCC(OFF) ICC(ST) ICC(OFF) ICC(OP) ICA(CHG) Conditions ID=2A VDS=500V,VCC=7V Tj=0 to 125C VCA=5V Duty=0% Duty=DMAX VCA=6V VFB=GND Duty=0% Duty=DMAX MIN. 90 23 42 2.6 -800 0.49 7.2 20 15.5 8.5 -15 TYP. 0.75 100 5 33 45 0.9 1.1 1.8 2.8 -620 0.9 1.8 0.6 4.3 7.7 36 4.8 17.0 9.3 100 0.6 12 -10 MAX. 1.0 250 110 43 50 3.1 -440 0.74 8.2 52 18.5 10.1 150 1.8 24 -5 Unit A kHz % kHz % V V V V A V V V V V A A V V A mA mA A
Parameter Drain-source onstate resistance Drain-source leakage current Oscillation frequency Temperature change in oscillation frequency Declining oscillation frequency Maximum duty FB threshold voltage FB current
CA threshold voltage
CA sink current Overcurrent detecting level Operation starting voltage Operation stopping voltage Stand-by current Output OFF-mode consumption current Output-operating mode consumption current Charging current
VFB=1V,VCA=6V VDS=OPEN,VFB=OPEN VDS=OPEN,VFB=OPEN VDS=OPEN,VCC=14V, VDS=OPEN,VCA=GND VCA=GND,VFB=OPEN
Fig. 1 Test Circuit
CIN 100F 0.01F
Fig. 2 Power Dissipation vs. Ambient Temperature
50
+
A
VCC VFB
A
VCA
A
VDS
Power dissipation PD (W)
A
5 q 1 q PQ1PD1 4 q 3 q 2 q
RL
40 30 20 10 0 -20
agram
s Block Diagram
CA 3
Low voltage malfunction prevention circuit Cut-off voltage detecting circuit OFF voltage detecting circuit
Frequency conversion circuit Overheat detection circuit Constant voltage source
VCC 5
VDS 1
,,, ,,, ,,,
0 20 40 60 80 Ambient temperature Ta (C) Note) Oblique line portion : Overheat protection may operate in this area.
OSC
RQ S
FB 4
Overload cut-off voltage detecting circuit
PWM
+ -
Drive circuit
Overcurrent detecting circuit
DET
2 GND

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