CP1032
Chopper Regulators
Electrical Characteristics
(CP1032-ADJ)
ꢀ
(Unless otherwise specified, condition shall be VIN=12V, I
O
=0.5A, V =5V, Vsoft terminal=0.1µF, Ta=25˚C)
O
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Output saturation voltage
Reference voltage
I
SW=3A
V
V
SAT
−
1.235
1.4
1.8
1.285
−
V
V
ref
1.26
−
Reference voltage temperature fluctuation
Load regulation
∆Vref
|RegL|
|RegI|
η
T=0 to 125˚C
j
−
−
±0.5
0.2
1
%
I
O
=0.5 to 3A
1.5
2.5
−
%
Line regulation
V
IN=8 to 35V
−
%
Efficiency
I
O=3A
−
80
%
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
f
O
−
165
−
135
−
150
±2
kHz
T=0 to 125˚C
j
∆f
O
%
A
−
I
L
3.6
−
4.2
−10
1.3
2.3
0.8
4.6
140
8
5.8
−
2
4
5
terminals is open, terminal
,
I
CHG
µA
V
4
5
Duty ratio=0%, terminal=0V, terminal
−
−
V
THL
THH
Input threshold voltage
4
5
Duty ratio=100%, terminals is open, terminal
−
−
V
V
4
5
terminal=0V, terminal
ON threshold voltage
V
TH(ON)
THIL
0.7
3.8
−
0.9
5.5
400
16
V
5
terminal
Overcurrent shutdown threshold voltage
Stand-by current
V
V
5
IN=40V, terminal=0V
V
I
SD
QS
µA
mA
5
IN=40V, terminal=0.9V
V
Output OFF-state dissipation current
I
−
(CP1032-5.0V)
(Unless otherwise specified, condition shall be VIN
Conditions
=
12V, I
O
=
0.5A, V
O
=
5V, Vsoft terminal
=
0.1
⎧
F, Ta=25°C)
Unit.
Parameter
Symbol
MIM.
TYP.
5.0
MAX.
Test circuit of Figure2
4.9
5.1
V
V
0.5≦ILOAD≦3A
8V≦VIN≦40V
8V≦VIN≦40V
Test circuit of Figure2
0.5≦ILOAD≦3A
4.8
5.0
5.0
5.2
Output Voltage
VOUT
-40℃≦TJ≦125℃
Test circuit of Figure2
4.75
5.25
V
η
Efficiency
ILOAD=3A
80
%
Oscillator Frequency
fosc
135
150
165
kHz
* 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 2 of 12
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