Daewoo DTH-291F, Руководство по обслуживанию

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IC DESCRIPTION
ELECTRICAL CHARACTERISTICS IN CONTROL PART
(Ta=25
¡
, Vcc=20V, UNLESS OTHERWISE SPECIFIED)
MIN TYP MAX
OPERATION START VOLTAGE 4-3 Vcc(on) 16.3 18.2 19.9 V
OPERATION STOP VOLTAGE 4-3 Vcc(off) 8.8 9.7 10.6 V
CIRCUIT CURRENT IN OPERATION 4-3 Icc(on) 6 mA
CIRCUIT CURRENT IN NON-OPERATION 4-3 Icc(off) 100 uH
OSCILLATION FREQUENCY 1-3 fosc 19 22 25 kHz
SOFT START OPERATION STOP VOLTAGE 5-3 Vssolp(ss) 1.1 1.2 1.4 v
SOFT START OPERATION CHARGING
CURRENT
5-3 Issolp(ss) -710 -550 -390 uA
BOTTOM-SKIP OPERATION THRESHOLD
VOLTAGE1
7-3
Vocpbd(bs1
)
-0.72
-
0.660
-0.61 V
BOTTOM-SKIP OPERATION THRESHOLD
VOLTAGE2
7-3
Vocpbd(bs2
) -
0.485 -
0.435 -
0.385
V
OVERCURRENT DETECTION THRESHOLD
VOLTAGE
7-3 Vocpbd(lim)
-
0.995 -
0.940 -
0.895
V
OCP/BD TERMINAL OUTFLOW CURRENT 7-3 Iocpbd -250 -100 -40 uA
QUASI-RESONANT OPERATION
THRESHOLD VOLTAGE1
7-3 Vocpbd(th1) 0.28 0.40 0.52 V
QUASI-RESONANT OPERATION
THRESHOLD VOLTAGE2
7-3 Vocpbd(th2) 0.67 0.80 0.93 V
FB TERMINAL THRESHOLD VOLTAGE 6-3 Vfb(off) 1.32 1.45 1.58 V
FB TERMINAL INFLOW CURRENT(NORMAL
OPERATION)
6-3 Ifb(on) 600 1000 1400 uA
STAND-BY OPERATION START VOLTAGE 4-3 Vcc(s) 10.3 11.2 12.1 V
STAND-BY OPERATION START VOLTAGE
INTERVAL
4-3 Vcc(sk) 1.20 1.45 1.65 V
STAND-BY NON-OPERATION CIRCUIT
CURRENT
4-3 Icc(s) 20 56 uA
FB TERMINAL INFLOW CURRENT(STAND-
BY)
1-3 Ifb(s) 4 14 uA
STAND-BY OPERATION FB TERMINAL
THRESHOLD VOLTAGE
6-3 Vfb(s) 0.55 1.10 1.50 V
MINIMUM ON TIME 1-3 Ton(min) 0.75 1.20 uSec
MAXIMUM ON TIME 1-3 Ton(max) 27.5 32.5 39.0 uSec
OLP OPERATION THRESHOLD VOLTAGE 5-3 Vssolp(olp) 4.0 4.8 5.8 V
OLP OPERATION CHARGING CURRENT 5-3 Issolp(olp) -16 -11 -6 uA
OLP OPERATION VOLTAGE 4-3 Vcc(ovp) 25.5 27.7 29.9 V
LATCH CIRCUIT HOLDING CURRENT 4-3 Icc(h) 45 140 uA
LATCH CIRCUIT RELEASE VOLTAGE 4-3 Vcc(la.off) 6.0 7.2 8.5 V
NORMAL OPERATION
POWER SUPPLY START-UP OPERATION
STAND-BY OPERATION
PROTECTION OPERATION
TERMINAL PARAMETER
RATINGS
UNITES SYMBOL