Data Sheet

KA5L0380R S P S
Preliminary
NOTES:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
ELECTRICAL CHARACTERISTICS (Control part)
(Ta=25
°
C unless otherwise specified)
Characteristic Symbol Test condition Min. Typ. Max. Unit
REFERENCE SECTION
Output voltage
(1)
Vref Ta=25
°
C 4.80 5.00 5.20 V
Temperature Stability
(1)(2)
Vref/
∆
T
−
25
°
C
≤
Ta
≤
+85
°
C
−
0.3 0.6 mV/
°
C
OSCILLATOR SECTION
Initial accuracy F
OSC
Ta=25
°
C 455055kHz
Frequency change with temperature
(2)
∆
F/
∆
T
−
25
°
C
≤
Ta
≤
+85
°
C
−±
5
±
10 %
PWM SECTION
Maximum duty cycle Dmax
−
74 77 80 %
FEEDBACK SECTION
Feedback source current I
FB
Ta=25
°
C, 0V<Vfb<3V 0.7 0.9 1.1 mA
Shutdown delay current Idelay Ta=25
°
C, 5V
≤
Vfb
≤
V
SD
456
µ
A
OVER CURRENT PROTECTION SECTION
Over current protection I
L
(max) Max. inductor current 1.89 2.15 2.41 A
UVLO SECTION
Start threshold voltage Vth(H)
−
8.4 9 9.6 V
Minimum operating voltage Vth(L) After turn on 14 15 16 V
TOTAL STANDBY CURRENT SECTION
Start current I
ST
V
CC
=14V
−
0.1 0.17 mA
Operating supply current
(control part only)
I
OPR
V
CC
<28
−
712mA
SHUTDOWN SECTION
Shutdown Feedback voltage V
SD
Vfb>6.5V 6.9 7.5 8.1 V
Thermal shutdown temperature (Tj)
(1)
T
SD
−
140 160
−°
C
Over voltage protection V
OVP
V
CC
>24V 25 27 29 V
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