ap1530 Diodes, Inc., ap1530 Datasheet - Page 4

• Manufacturer Part Number: ap1530
• Description: Pwm Control 3a Step-down Converter
• Manufacturer: Diodes, Inc.

Electrical Characteristics
(V
Notes:
AP1530 Rev. 4
Symbol
∆V
∆V
R
I
/V
T
EFFI
IN
I
f
OCSET
T
f
/V
I
I
V
SHDN
OSC1
T
I
V
θ
θ
V
I
OSC
SHDN
DSON
ENH
ENL
SW
HYS
FB
= 12V, T
OUT
SS
JA
JC
FB
OUT
OUT
IH
IL
IN
5. Test condition SOP-8L: Device mounted on FR-4 substrate 2oz copper, minimum recommended pad layout, single side.
6. Test condition for SOP-8L-DEP:Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended top pad layout, 1"x1"
bottom copper pad, thermal vias connected
For better thermal performance, please arrange larger copper pad of layout for heatsink.
Feedback Voltage
Feedback Bias Current
Switch Current
Current Consumption During
Power Off
Line Regulation
Load Regulation
Oscillation Frequency
Frequency of Current Limit or
Short Circuit Protection
EN Pin Input Voltage
EN Pin Input Leakage Current
OCSET Pin Bias Current
Soft-Start Time
Thermal shutdown threshold
Thermal shutdown hysteresis
Internal MOSFET R
Efficiency
Thermal Resistance
Junction-to-Ambient
Thermal Resistance
Junction-to-Case
A
=25°C, unless otherwise specified)
Parameter
DS(ON)
I
I
--
V
V
I
Measure waveform at SW pin
Measure waveform at SW pin
Evaluate oscillation at SW pin
Evaluate oscillation stop at SW pin
--
--
--
--
V
V
V
I
SOP-8L (Note 5)
SOP-8L-DEP (Note 6)
SOP-8L (Note 5)
SOP-8L-DEP (Note 6)
OUT
OUT
OUT
OUT
EN
IN
IN
IN
IN
www.diodes.com
=5V~18V
=5V, V
=12V, V
=12V, V
=0.1A
=0.1A
=0.1 to 3A
=3A
=0V
4 of 13
FB
FB
OUT
=0V
Conditions
=0V
= 5V
18V 3A 300KHz BUCK CONVERTER
0.784
Min
240
3.5
2.0
0.3
75
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
300
150
110
134
-10
0.8
0.1
0.2
10
50
20
90
55
70
92
75
22
14
1
2
-
-
-
©
AP1530
Diodes Incorporated
JUNE 2008
0.816
Max
360
105
150
100
0.5
0.5
0.8
2
5
-
-
-
-
-
-
-
-
-
-
-
-
-
o
o
o
o
Unit
kHz
kHz
mΩ
C/W
C/W
C/W
C/W
ms
µA
µA
µA
µA
µA
°C
°C
%
%
%
V
A
V