PQ1CY1032ZZ Sharp Microelectronics, PQ1CY1032ZZ Datasheet - Page 5

• Manufacturer Part Number: PQ1CY1032ZZ
• Description: IC REG CHOPPER ADJ 3.5A TO-263
• Manufacturer: Sharp Microelectronics
• Type: Step-Down (Buck), Invertingr

Specifications of PQ1CY1032ZZ

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.26 ~ 35 V, -1.26 ~ -30 V
• Current - Output: 3.5A
• Frequency - Switching: 150kHz
• Voltage - Input: 8 ~ 35 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Power - Output: 35W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 425-1767-5

Fig.14 Power Dissipation vs. Ambient
Fig.15 Block Diagram
Fig.16 Step Down Type Circuit Diagram
8 to 35V
Temperature (Typical Value)
V
3
2
1
0
IN
20
Cu area 3 600mm
Cu area 900mm
Cu area 400mm
Cu area 115mm
V
0
IN
Ambient temperature T
1
220 F
C
detection circuit
detection circuit
2
2
2
IN
Overcurrent
2
25
Overheat
1
50
PQ1CY1032Z
a
( C)
Voltage regulator
4
3
F/F
75
COM
C
Q
85
S
3
S
R
2
5
ON/OFF control signal
PWM COMP.
ON/OFF circuit
Oseillation circuit
R
S
PWB
Material : Glass-cloth epoxy resin
Size : 60 60 1.6mm
Cu thickness : 65 m
ERROR AMP.
D
V
S'
45 H
Soft start
PWB
Cu
circuit
L
3k
1k
R
R
2
1
V
ref
1 000 F
C
O
R
S
2
5
4
50k
V
V
O
out
soft
ADJ
V
PQ1CY1032Z
O
5V
Load