AP3843N8 Anachip Corporation, AP3843N8 Datasheet - Page 3

• Manufacturer Part Number: AP3843N8
• Description: High Performance Current Mode PWM Controller
• Manufacturer: Anachip Corporation

High Performance Current Mode PWM Controller
(Unless otherwise stated, these specifications apply for 0≦T
OSCILLATOR SECTION
ERROR AMP SECTION
CURRENT SENSE SECTION
OUTPUT SECTION
UNDER-VOLTAGE LOCKOUT SECTION
PWM SECTION
TOTAL STANDBY CURRENT
Anachip Corp.
www.anachip.com.tw
Symbol
SVRR
SVRR
Electrical Characteristics(Continued)
V
V
V
G
V
V
V
V
T
I
I
T
I
f
I
B
I
OLS
I
O
O
OL
OH
st
s
b
b
i
iz
4
2
3
r
v
f
Min Operating Voltage After
Operating Supply Current
Supply Voltage Rejection
Supply Voltage Rejection
Feedback Input Voltage
Output Source Current
Maximum Input Signal
Unity Gain Bandwidth
Temperature Stability
Maximum Duty Cycle
Oscillator Frequency
Minimum Duty Cycle
Output Sink Current
Discharge Current
Input Bias Current
Input Bias Current
Output High Level
Output Low Level
UVLO Saturation
Start-up Current
Voltage Stability
Delay to Output
Start Threshold
Zener Voltage
Parameter
Amplitude
Rise Time
V
V
Fall Time
Turn-on
OUT
OUT
Ratio
Ratio
Gain
A
VOL
High
Low
V
V
PIN2
Tj=25
Tj=25
T
PIN2
MIN
V
amb
Vcc = 6V ; Isink = 1mA
=2.3V; R
12≦V
V
PIN2
Tj=25
=2.7V; R
Tj=25
≦70
≦T
V
PIN2
V
Test Conditions
(Notes3&Notes4)
Vi=14V,3842/4 ;
PIN4
I
0
0
Vi=6.5V 3843/5
3/8
PIN1
V
I
SOURCE
12V≦V
12V≦V
=2.7V V
C C
C C
SOURCE
I
0V≦V
=2.3V V
amb
I
SINK
PIN2
o
V
SINK
C for AP384X ; V
i
0
≦25V (Notes3)
=5V (Notes3)
Tj=25
I
Peak to Peak
0
PIN1
C (Notes 6, 7)
V
3842/4
3843/5
3842/4
3843/5
3842/3
3844/5
i
C V
=25mA
≦T
=V
= 200mA
FB
L
= 20mA
L
L
=15KΩ to ground
L
= 200mA
=1nF (Notes2)
=1nF (Notes2)
=2.5V
= 20mA
=5V
=15KΩ to pin 8
PIN3
0
i
MAX
i
≦25V
≦25V
≦4V
o
PIN4
C
PIN1
=0V
PIN1
(Notes 2)
=2V
=1.1V
=5V
i
= 15V(note 5); R
AP3842/3/4/5
Min. Typ. Max.
2.42 2.50 2.58
2.85
14.5
-0.5
7.8
0.7
0.9
8.5
7.8
7.0
49
65
60
13
12
94
47
30
2
5
T
= 10KΩ;C
AP384X
13.5
13.5
-0.1
-0.8
150
0.2
0.5
1.6
8.3
0.1
1.6
0.1
8.4
7.6
0.3
0.8
52
90
70
70
50
50
16
10
96
48
12
36
-2
1
6
7
3
1
Rev.1.0 Oct.11, 2004
T
3.15
17.5
11.5
300
150
150
= 3.3nF)
8.8
1.1
1.1
-10
0.4
2.2
1.1
8.2
0.5
55
50
17
-2
1
9
0
MHz
Unit
KHz
V/V
mA
mA
mA
mA
mA
µA
dB
dB
dB
µA
ns
ns
ns
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V