KA2S0880B データシートの表示（PDF） - Fairchild Semiconductor
部品番号
コンポーネント説明
メーカー
KA2S0880B Datasheet PDF : 12 Pages
| |||
KA2S0880B
Electrical Characteristics (CONTROL part)
(Ta=25°C unless otherwise specified)
Parameter
Symbol
Condition
UVLO SECTION
Start threshold voltage
VSTART
-
Stop threshold voltage
VSTOP After turn on
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature (2)
FOSC
∆F/∆T
Ta=25°C
−25°C≤Ta≤+85°C
Maximum duty cycle
Dmax
-
FEEDBACK SECTION
Feedback source current
IFB
Ta=25°C, Vfb=GND
Shutdown Feedback voltage
Shutdown delay current
VSD
Idelay
-
Ta=25°C, 5V≤Vfb≤VSD
SYNC. & SOFT START SECTION
Soft start voltage
VSS
VFB=2V
Soft start current
Sync threshold voltage (3)
ISS
VSYTH
Sync & S/S=GND
Vfb=5V
REFERENCE SECTION
Output voltage (1)
Temperature Stability (1)(2)
Vref
Vref/∆T
Ta=25°C
−25°C≤Ta≤+85°C
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
IOVER Max. inductor current
PROTECTION SECTION
Thermal shutdown temperature (Tj) (1)
TSD
-
Over voltage protection voltage
VOVP
-
TOTAL DEVICE SECTION
Start Up current
ISTART VCC=14V
Operating supply current
(control part only)
IOP
Ta=25°C
VCC zener voltage
VZ
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
Notes:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
3. The amplitude of the sync. pulse is recommended to be between 2V and 3V for stable sync. function.
4
Share Link: 