Teac MV1421, Service Manual

Page: 33 / 130

31
Electrical Characteristics of Control Part (Ta=25°C)
Electrical Characteristics of power transient part (Trl) (Ta=25°C)
Description Term inal Sym bol R atin g U nit
M IN TY P M A X
O n-state voltage 9-2 Vin(on) 7.6 8 8.4 V
O ff-state voltage 9-2 Vin(off) 4.6 4.9 5.2 V
O perating circuit current 9-2 Iin(on) 15 - 28
Stand-by circuit current 9-2 Iin(off) - - 200
O n-tim e - Ton 33 - 41
O ff-tim e - Toff 45 - 55
O C P term inal Threshold voltage 6-2 Vocp -1.12 -1 -0.88 V
IN H term inal Threshold voltage 1 8-2 Vinh1 0.65 0.75 0.85 V
IN H term inal Threshold voltage 2 8-2 Vinh2 - 1.4 2.0 V
IN H term inal Threshold voltage 3 8-2 Vlatch 3.2 5.1 5.8 V
O VP operating voltage 9-2 Vin(ovp) 9.2 - 10.7 V
Latch circuit sustaining current 9-2 Ih - - 500
Latch circuit cancellation voltage 9-2 Vin(latch off) 2.5 3.1 - V
M IC therm al shutdow n starting tem p. - Tj(tsd) 125 150 -
Fixed reference voltage 7-2 Vs
32.0 0.3
V
Tem perature coefficient of reference voltage 7-2 - - +2.5 -
Description Term inal Sym bol R atin g U nit
M IN TY P M A X
C ollector Saturation Voltage 1-2 Vce(sat) - - 0.4 V
C ollector C utoff C urrent 1-2 IC EX - - 100
Base-Em itter Saturation Voltage 3-2 VBE(sat) - - 1.5 V
D C C urrent G ain - hFE 29 - 61 -
Therm al R esistance - j-F - - 1.3
Sw itching Tim e 1-2 ts - - 15
1-2 tf - - 0.5