KA3S0765R Datasheet, PDF (4/14 Pages) Samsung semiconductor – SAMSUNG POWER SWITCH

KA3S0765R/KA3S0765RF
Electrical Charcteristics (CONTROL part)
(Ta = 25°C unless otherwise specified)
Characteristic
Symbol
Test condition
UVLO SECTION
Start threshold voltage
Stop threshold voltage
VSTART
-
VSTOP After turn on
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature ⁽²⁾
Maximum duty cycle
FOSC
∆F/∆T
Dmax
Ta=25°C
−25°C≤Ta≤+85°C
-
FEEDBACK SECTION
Feedback source current
Shutdown Feedback voltage
Shutdown delay current
IFB
VSD
Idelay
Ta=25°C, Vfb=GND
-
Ta=25°C, 5V≤Vfb≤VSD
SYNC. & SOFT START SECTION
Soft start voltage
Soft start current
Sync threshold voltage⁽³⁾
VSS
ISS
VSYTH
VFB=2V
Sync & S/S=GND
Vfb=5V
REFERENCE SECTION
Output voltage ⁽¹⁾
Temperature Stability ⁽¹⁾⁽²⁾
Vref
Vref/∆T
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
IOVER
Ta=25°C
−25°C≤Ta≤+85°C
Max. inductor current
PROTECTION SECTION
Thermal shutdown temperature (Tj) ⁽¹⁾
TSD
-
Over voltage protection voltage
VOVP
-
TOTAL DEVICE SECTION
Start Up current
Operating supply current
(control part only)
VCC zener voltage
ISTART
IOP
VZ
VCC=14V
Ta=25°C
ICC=20mA
Min. Typ. Max. Unit
14 15 16
V
9
10
11
V
18 20 22 kHz
-
±5 ±10 %
92 95 98
%
0.7 0.9 1.1 mA
6.9 7.5 8.1
V
1.4 1.8 2.2 µA
4.7 5.0 5.3
V
0.8 1.0 1.2 mA
6.0 6.4 6.8
V
4.80 5.00 5.20 V
-
0.3 0.6 mV/°C
4.40 5.00 5.60 A
140 160
-
°C
23 25 28
V
0.1 0.3 0.55 mA
6
12 18 mA
30 32.5 35
V
NOTE:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS(water test) process
3.The amplitude of the sync. pulse is recommended to be between 2V and 3V for stable sync. function.
4