CP1032
Chopper Regulators
Fig.15 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Cu area 3 600mm2
Cu area 900mm2
2
Cu area 400mm2
Cu area 115mm2
1
PWB
PWB
Cu
0
−20
Material
Size
: Glass-cloth epoxy resin
0
25
50
75 85
: 60×60×1.6mm
Cu thickness : 65µm
Ambient temperature Ta (°C)
Fig.16 Block Diagram
VIN
1
2
5
Vout
Voltage regulator
ON/OFF circuit
PWM COMP.
Vsoft
_
Soft start
circuit
+
F/F
Q
S
ERROR AMP.
R
Overcurrent
detection circuit
_
4
OADJ
+
Vref
Ocsillation circuit
Overheat
detection circuit
_
+
VS'
3
COM
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.1 Aug.31, 2004
Tel:886-3-3214525
Page 8 of 12
Fax:886-3-3521052
CERAMATE [ CERAMATE TECHNICAL ]
