1M0680 データシートの表示（PDF） - Fairchild Semiconductor
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1M0680 Datasheet PDF : 8 Pages
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KA1M0680
SPS
ELECTRICAL CHARACTERISTICS (Control part)
(Ta=25°C unless otherwise specified)
Characteristic
Symbol
Test condition
REFERENCE SECTION
Output voltage (1)
Temperature Stability (1)(2)
Vref
Vref/∆T
Ta=25°C
−25°C≤Ta≤+85°C
OSCILLATOR SECTION
Initial accuracy
FOSC
Frequency change with temperature (2) ∆F/∆T
Ta=25°C
−25°C≤Ta≤+85°C
PWM SECTION
Maximum duty cycle
Dmax
−
FEEDBACK SECTION
Feedback source current
Shutdown delay current
IFB
Idelay
OVER CURRENT PROTECTION SECTION
Ta=25°C, 0V≤Vfb≤3V
Ta=25°C, 5V≤Vfb≤VSD
Over current protection
UVLO SECTION
IL(max) Max. inductor current
Start threshold voltage
Vth(H)
−
Minimum operating voltage
Vth(L)
After turn on
TOTAL STANDBY CURRENT SECTION
Start current
Operating supply current
(control part only)
IST
IOPR
VCC=14V
Ta=25°C
VCC zener voltage
SHUTDOWN SECTION
VZ
ICC=20mA
Shutdown Feedback voltage
VSD
−
Thermal shutdown temperature (Tj) (1) TSD
−
Over voltage protection voltage
VOVP
−
NOTES:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
Min. Typ. Max. Unit
4.80 5.00 5.20 V
−
0.3 0.6 mV/°C
61 67 73 kHz
−
±5 ±10
%
74 77 80
%
0.7 0.9 1.1 mA
4.0 5.0 6.0 µA
3.52 4.00 4.48 A
14 15 16
V
9
10 11
V
0.1 0.3 0.45 mA
6
12 18 mA
30 32.5 35
V
6.9 7.5 8.1
V
140 160 −
°C
23 25 28
V
4
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