CP1032
Chopper Regulators
s Electrical Characteristics
(CP1032-ADJ)
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1µF, Ta=25˚C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
VSAT
Vref
∆Vref
ISW=3A
−
Tj=0 to 125˚C
−
1.4 1.8
V
1.235 1.26 1.285 V
− ±0.5 −
%
Load regulation
Line regulation
Efficiency
|RegL|
|RegI|
η
IO=0.5 to 3A
VIN=8 to 35V
IO=3A
−
0.2 1.5
%
−
1
2.5 %
−
80
−
%
Oscillation frequency
fO
−
135 150 165 kHz
Oscillation frequency temperature fluctuation ∆fO
Overcurrent detecting level
IL
Tj=0 to 125˚C
−
−
±2
−
%
3.6 4.2 5.8 A
Charge current
ICHG 2 , 4 terminals is open, 5 terminal
−
−10
−
µA
Input threshold voltage
VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal −
1.3
−
V
VTHH Duty ratio=100%, 4 terminals is open, 5 terminal −
2.3
−
V
ON threshold voltage
VTH(ON)
4 terminal=0V, 5 terminal
0.7 0.8 0.9 V
Overcurrent shutdown threshold voltage
VTHIL
5 terminal
3.8 4.6 5.5 V
Stand-by current
ISD
VIN=40V, 5 terminal=0V
− 140 400 µA
Output OFF-state dissipation current
IQS
VIN=40V, 5 terminal=0.9V
−
8
16 mA
(CP1032-5.0V)
Parameter
Output Voltage
Efficiency
Oscillator Frequency
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1⎧F, Ta=25°C)
Symbol
Conditions
MIM. TYP. MAX. Unit.
VOUT
Test circuit of Figure2
0.5≦ILOAD≦3A
Test circuit of Figure2
0.5≦ILOAD≦3A
-40℃≦TJ≦125℃
Test circuit of Figure2
4.9
5.0
5.1
V
8V≦VIN≦40V
4.8
5.0
5.2
V
8V≦VIN≦40V 4.75
5.0
5.25
V
η
ILOAD=3A
80
%
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
Tel:886-3-3214525
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Rev 1.1 Aug.31, 2004