ka5h0265r Fairchild Semiconductor, ka5h0265r Datasheet - Page 4

• Manufacturer Part Number: ka5h0265r
• Description: Smps Controller
• Manufacturer: Fairchild Semiconductor

KA5H0265R
NOTES:
1.
2.
ELECTRICAL CHARACTERISTICS (Control part)
(Ta=25 C unless otherwise specified)
REFERENCE SECTION
Output voltage
Temperature Stability
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature
PWM SECTION
Maximum duty cycle
FEEDBACK SECTION
Feedback source current
Shutdown delay current
OVER CURRENT PROTECTION SECTION
Over current protection
UVLO SECTION
Start threshold voltage
Minimum operating voltage
TOTAL STANDBY CURRENT SECTION
Start current
Operating supply current
(control part only)
SHUTDOWN SECTION
Shutdown Feedback voltage
Thermal shutdown temperature (Tj)
Over voltage protection
These parameters, although guaranteed, are not 100% tested in production
These parameters, although guaranteed, are tested in EDS (wafer test) process
Characteristic
(1)
(1)(2)
(1)
(2)
Vref
Vref/ T
F
Dmax
I
Idelay
I
Vth(H)
Vth(L)
I
I
V
T
V
FB
L
ST
OPR
Symbol
OSC
F/ T
SD
SD
OVP
(max)
Ta=25 C
Ta=25 C
Ta=25 C, 0V<Vfb<3V
Ta=25 C, 5V Vfb V
Max. inductor current
After turn on
V
V
Vfb>6.5V
V
25 C Ta +85 C
25 C Ta +85 C
CC
CC
CC
=14V
<28
>24V
Test condition
SD
Min.
4.80
1.05
140
0.7
8.4
6.9
90
64
14
25
4
Typ.
5.00
100
100
160
0.3
0.9
1.2
7.5
67
15
27
5
9
7
5
Max.
5.20
1.35
170
110
0.6
1.1
9.6
8.1
70
16
12
29
10
6
S P S
mV/ C
Unit
kHz
mA
mA
mA
%
%
V
A
V
V
V
V
C
A