KA1H0280 Fairchild, KA1H0280 Datasheet - Page 4

• Manufacturer Part Number: KA1H0280
• Description: Fairchild Power Switch(FPS)
• Manufacturer: Fairchild

KA1M0280RB/KA1H0280RB
Electrical Characteristics (CONTROL part)
(Ta=25 C unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
4
Parameter
UVLO SECTION
Start Threshold Voltage
Stop Threshold Voltage
OSCILLATOR SECTION
Initial Accuracy
Frequency Change With Temperature
Maximum Duty Cycle
FEEDBACK SECTION
Feedback Source Current
Shutdown Feedback Voltage
Shutdown Delay Current
REFERENCE SECTION
Output Voltage
Temperature Stability
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
PROTECTION SECTION
Thermal Shutdown Temperature (Tj)
Over Voltage Protection Voltage
TOTAL DEVICE SECTION
Start-Up Current
Operating Supply Current
(Control Part Only)
V
CC
Zener Voltage
(1)
(1)(2)
(1)
(2)
Symbol
V
Vref/ T
V
I
I
Idelay
F
Dmax
V
START
START
OVER
V
T
STOP
Vref
I
F/ T
I
OSC
OVP
V
OP
FB
SD
SD
Z
After turn on
KA1M0280RB
KA1H0280RB
-25 C
KA1M0280RB
KA1H0280RB
Ta=25 C, 0V
Ta=25 C, 5V Vfb V
Ta=25 C
-25 C
Max. inductor current
V
Ta=25 C
I
CC
CC
=20mA
=14V
(Continued)
Condition
Ta
Ta
-
-
-
-
+85 C
+85 C
Vfb
3V
SD
Min.
4.80
1.05
140
0.7
6.9
4.0
0.1
14
61
90
74
64
23
30
9
6
-
-
Typ.
5.00
32.5
100
160
0.9
7.5
5.0
0.3
1.2
0.3
15
10
67
77
67
25
12
5
Max.
5.20
1.35
0.45
110
1.1
8.1
6.0
0.6
16
73
80
70
28
18
35
11
10
-
mV/ C
Unit
kHz
mA
mA
mA
%
%
V
V
V
V
A
V
V
C
A