KA1H0680RFB-TU FAIRCHILD [Fairchild Semiconductor], KA1H0680RFB-TU Datasheet - Page 4

• Manufacturer Part Number: KA1H0680RFB-TU
• Description: Fairchild Power Switch(FPS)
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

KA1M0680B/KA1M0680RB/KA1H0680B/KA1H0680RFB
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
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
SOFT START SECTION
Soft Start Voltage
Soft Start 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
Parameter
(1)
(1)(2)
(1)
(2)
Symbol
V
Vref/ T
V
I
I
Idelay
F
Dmax
V
START
OVER
START
V
V
Vref
T
STOP
I
F/ T
I
OSC
I
OVP
V
OP
FB
SS
SD
SD
SS
Z
After turn on
KA1M0680B
KA1M0680RB
KA1H0680B
KA1H0680RFB
KA1M0680B
KA1M0680RB
KA1H0680B
KA1H0680RFB
Ta=25 C, 0V
Ta=25 C, 5V Vfb V
V
Sync & S/S=GND
Ta=25 C
Max. inductor current
V
Ta=25 C
I
CC
25 C
25 C
FB
CC
=20mA
=14V
=2V
Condition
Ta
Ta
-
-
-
-
+85 C
+85 C
Vfb
3V
SD
Min.
3.52
4.80
140
0.7
6.9
4.0
4.7
0.8
0.1
14
61
61
90
90
23
30
74
74
64
64
9
6
-
-
Typ.
5.00
4.00
32.5
100
100
160
0.9
7.5
5.0
5.0
1.0
0.3
0.3
15
10
67
67
77
77
67
67
25
12
5
Max.
5.20
4.48
0.45
110
110
1.1
8.1
6.0
5.3
1.2
0.6
16
11
73
73
80
80
70
70
28
18
35
10
-
mV/ C
Unit
kHz
mA
mA
mA
mA
%
%
V
V
V
V
V
A
V
V
C
A