www.DataSheet4U.com
PQ1CYxx3LZPH Series
PQ1CYxx3LZPH Series
To-263 Surface Mount Type Chopper Regulator
Features
1.Ma...
www.DataSheet4U.com
PQ1CYxx3LZPH Series
PQ1CYxx3LZPH Series
To-263 Surface Mount Type Chopper Regulator
Features
1.Maximum switching current: 3.5A 2.Built-in ON/OFF control function 3.High frequency oscillation (Oscillation frequency: 150kHz) 4.Built-in overheat protection function, overcurrent shut-down function 5.Fixed output
voltage type (Output
voltage is 3.3V/5.0V) 6.RoHS directive compliant
■ Outline Dimensions
10.6MAX.
Lead finish identification mark
(Unit:mm)
3.5±0.5 (0.6)
(0.55)
3.28±0.5
13.7MAX.
8.4±0.5
1 C Y503L
φ2
H
Epoxy resin (0.6) (0.45) 1.05+0.2 –0.1 4–(1.7) (
(2.4)
(0 to 0.25) (0.6)
(0.6) (0.45) 1.05+0.2 –0.1 3–0.9+0.2 –0.1
Applications
1.Digital AV equipment 2.OA equipment 3.CRT monitor/LCD monitor
) : Typical dimensions
Product mass:(1.0g)
1 2 3 4 5 1 2 3 4 5
Model Line-up
Output
Voltage
3.3V 5.0V
VIN VOUT GND (Connected with heat sink) FB ON/OFF
Model No.
PQ1CY333LZPH PQ1CY503LZPH Lead finish:Lead-free solder plating (Composition: Sn2Cu)
Absolute Maximum Ratings
(Ta=25°C) Parameter Input
voltage FB pin
voltage Input-output
voltage *2 Output-GND
voltage *3 ON/OFF pin
voltage
*1
Switching current Power dissipation *5 Junction temperature
*4
Symbol VIN VFB VI-O VOUT VC ISW PD Tj Topr Tstg Tsol
Operating temperature Storage temperature Soldering temperature
Rating 40 8 41 -1 -0.3 to 40 3.5 35 150 -20 to +85 -40 to +150 260(10s)
Unit V V V V V A W °C °C °C °C
*1
Voltage between VIN terminal and GND terminal. *2
Voltage between VOUT t...
