AP1513 ANACHIP [Anachip Corp], AP1513 Datasheet - Page 3

• Manufacturer Part Number: AP1513
• Description: PWM Control 2A Step-Down Converter
• Manufacturer: ANACHIP [Anachip Corp]

PWM Control 2A Step-Down Converter
Anachip Corp.
www.anachip.com.tw
Symbol
∆V
∆V
I
R
/V
/V
EFFI
f
OCSET
f
I
V
V
OSC1
V
T
V
I
θ
I
I
OSC
I
DSON
SSS
SW
SH
FB
SL
OUT
OUT
SH
SS
JA
FB
OUT
OUT
SL
IN
Electrical Characteristics
Typical Application Circuit
V
IN
Input Voltage
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 Protect
EN Pin Input Voltage
EN Pin Input Leakage
Current
OCSET Pin Bias Current
Soft-Start Time
Internal MOSFET Rdson
Efficiency
Thermal Resistance
Junction-to-Ambient
470uF
C
IN
L1 Value
Parameter
V
CVcc
0.1uF
OUT
R
3K
OCSET
100K
C
0.1uF
R
C
Option
EN
EN
OCSET
Note: V
OCSET
I
--
I
Measure waveform at SW pin
--
Vcc
--
I
V
V
Measure waveform at SW pin
Evaluate oscillation at SW pin
Evaluate oscillation stop at SW pin
--
--
--
V
V
V
I
OUT
OUT
OUT
OUT
EN
IN
IN
IN
IN
22uH
2.5V
=5V~18V
=5V, V
=12V, V
=12V, V
=0.1A
=0.1A
=0.1 to 2A
=2A
EN
=0V
R
(V
OUT
B
AP1513
=0.7K~5K ohm
IN
V
IN
= 12V, T
FB
= V
=12V, I
FB
OUT
=0V
Conditions
=0V
FB
= 5V
3/7
V
Output
x (1+R
SS
MAX
a
=25
FB
=2A
°C
A
/R
, unless otherwise specified)
27uH
3.3V
B
)
D1
33uH
Optional
L1
C
C
0.784
Min.
240
3.6
2.5
2.0
0.3
10
75
-
-
-
-
-
-
-
-
-
-
-
1.3K
R
6.8K
R
33uH
A
B
5V
Typ.
300
110
0.8
0.1
0.2
-10
10
20
90
70
92
65
+
-
1
2
-
-
-
-
-
0.1uF
C
Rev. 1.3 Nov 17, 2005
AP1513
V
0.816
Max.
OUT
+
-
400
105
100
150
0.5
0.5
0.8
18
2
5
-
-
-
-
-
-
-
-
=5V/2A
C
470uF
OUT
o
Unit
KHz
KHz
mΩ
C/W
ms
µA
µA
µA
µA
µA
%
%
%
V
V
A
V