CP1032
Chopper Regulators
Features
ꢀ
ꢀ
Maximum switching current: 3.5A
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Built-in ON/OFF control function
Built-in soft start function to suppress overshoot of output
voltage in power on sequence or ON/OFF control sequence
(Oscillation frequency: TYP. 150kHz)
Built-in oscillation circuit
Built-in overheat protection function, overcurrent shut-down
Sleeve-packaged product
function
Variable output voltage
(Output variable range: Vref to 35V/–Vref to –30V)
[Possible to select step-down output/inversing output
according to external connection circuit]
Applications
ꢀ
ꢀ
LCD monitors
ꢀ
ꢀ
Car navigation systems
Switching power supplies
Absolute Maximum Ratings
ꢀ
(Ta=25°C)
Parameter
ꢀ1 Input voltage
Symbol
Rating
Unit
V
V
IN
ADJ
I-O
OUT
soft
SW
40
V
Error input voltage
Input-output voltage
ꢀ2 Output − COM voltage
ꢀ3 Vsoft terminal voltage
Switching current
V
7
V
V
41
V
V
−1
−0.3 to +40
3.5
V
V
A
I
ꢀ4 Power dissipation
ꢀ5 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
P
D
35
W
T
j
˚C
˚C
˚C
˚C
150
T
opr
−20 to +85
−40 to +150
260 (10s)
T
stg
sol
T
ꢀ1 Voltage between V terminal and COM terminal
IN
ꢀ2 Voltage between V
ꢀ3 Voltage between V
terminal and COM terminal
OUT
terminal and COM terminal
SOFT
ꢀ4 P :With infinite heat sink
ꢀ5 Overheat protection may operate at T =125˚C to 150˚C
D
•Please refer to the chapter " Handling Precautions ".
j
* 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
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Fax:886-3-3521052