Data Sheet

KA5X03XX-SERIES
4
Electrical Characteristics (Control Part) (Continued)
(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(water test) process
Characteristic Symbol Test condition Min. Typ. Max. Unit
UVLO SECTION
Start Threshold Voltage V
START
V
FB
=GND 14 15 16 V
Stop Threshold Voltage V
STOP
V
FB
=GND 8.4 9 9.6 V
OSCILLATOR SECTION
Initial Accuracy F
OSC
KA5H0365R
KA5H0380R
90 100 110 kHz
Initial Accuracy F
OSC
KA5M0365R
KA5M0380R
61 67 73 kHz
Initial Accuracy F
OSC
KA5L0365R
KA5L0380R
45 50 55 kHz
Frequency Change With Temperature
(2)
--25°C≤Ta≤+85°C-±5 ±10 %
Maximum Duty Cycle Dmax
KA5H0365R
KA5H0380R
62 67 72 %
Maximum Duty Cycle Dmax
KA5M0365R
KA5M0380R
KA5L0365R
KA5L0380R
72 77 82 %
FEEDBACK SECTION
Feedback Source Current I
FB
Ta=25°C, 0V<Vfb<3V 0.7 0.9 1.1 mA
Shutdown Feedback Voltage V
SD
Vfb>6.5V 6.9 7.5 8.1 V
Shutdown Delay Current Idelay Ta=25°C, 5V≤Vfb≤V
SD
456μA
REFERENCE SECTION
Output Voltage
(1)
Vref Ta=25°C 4.80 5.00 5.20 V
Temperature Stability
(1)(2)
Vref/ΔT-25°C≤Ta≤+85°C-0.30.6mV/°C
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit I
OVER Max. inductor current 1.89 2.15 2.41 A
PROTECTION SECTION
Over Voltage Protection V
OVP
V
CC
>24V 25 27 29 V
Thermal Shutdown Temperature (Tj)
(1)
T
SD
- 140 160 - °C
TOTAL STANDBY CURRENT SECTION
Start-up Current I
START
V
CC
=14V - 100 170 μA
Operating Supply Current
(Control Part Only)
I
OP
V
CC
<28 - 7 12 mA