1CZ41H View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

1CZ41H

TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit

Sharp Electronics 

Fig.10 Oscillation Frequency Fluctuation vs.

Junction Temperature

10

VIN=12V

VO＝5V

5

0

-5

-10

-40 -25 0 25 50 75 100 125

Junction temperature Tj (°C)

Fig.12 On Threshold Voltage vs. Junction

Temperature

3

VTHH

VIN=12V

2.5

2

VTHL

1.5

1

0.5

VTHON

0

-40 -25 0 25 50 75 100 125

Junction temperature Tj (°C)

Fig.14 Power Dissipation vs. Ambient

Temperature (Typical Value)

Cu area 740mm2

2

Cu area 180mm2

1.5

Cu area 100mm2

Cu area 70mm2

1

Cu area 36mm2

0.5

0

-40 -20

0 20 40 60 80 85 100 120 125

Ambient temperature Ta (°C)

PQ1CZ41H2ZxH

Fig.11 Overcurrent Detecting Level

Fluctuation vs. Junction Temperature

10

Tj=25°C

5

0

-5

-10

-40 -25 0 25 50 75 100 125

Junction temperature Tj (°C)

Fig.13 Operating Dissipation Current vs.

Input Voltage

10

Tj=25°C

VO=5V

9

IO=1A

8

IO=0.2A

7

6

No Load

5

0

10

20

30

40

Input voltage VIN (V)

Mounting PCB

PCB

Cu

Material : Glass-cloth epoxy resin

Size

: 50×50×1.6mm

Cu thickness : 35μm

Sheet No.: OP06041

4

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