Daewoo DTR-14D3VG, Service Manual

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Rating
Description Terminal Symbol Unit
Min. Typ. Max.
On-State Voltage 9-2 VIN(ON) 7.6 8 8.4 V
Off-State Voltage 9-2 VIN(OFF) 4.6 4.9 5.2 V
Operating Circuit Current 9-2 I IN(ON) 20 35 mA
Stand-by Circuit Current 9-2 I IN(OFF) – – 200 µA
On Time – T ON 33 – 41 µ sec
Off Time – T OFF 45 – 55 µ sec
OCP Terminal Threshold Voltage 6-2 V OCP -1.1 -1 -0.9 V
F/B Terminal Threshold Voltage 7-2 VF/B – 0.65 – V
INH Terminal Threshold Voltage 1 8-2 V INH-1 0.65 0.75 0.85 V
INH Terminal Threshold Voltage 2 8-2 VIHN-2 – 1.4 2.0 V
INH Terminal Threshold Voltage 3 8-2 V Latch 3.2 5.1 5.6 V
OVP Operating Voltage 9-2 VIN(OVP) 9.2 – 10.7 V
Latch Circuit Hold Current 9-2 IH – – 500 µA
Latch Circuit off Voltage 9-2 VIN(La. OFF) 2.5 3.1 – V
MIC Thermal Shutdown Starting Temp – Tj(TSD) 125 150 – ˚C
(5) Electrical Characteristics of Control Part (Ta = 25˚C)
Other Function
Rating
Description Terminal Symbol Unit Remark
Min. Typ. Max.
Collector Saturation Voltage 1-2 VCE(sat) – – 0.4 V
Collector Cutoff Current 1-2 I CEX – – 0.1 mA
Base-Emitter
3-2 V BE(sat) – – 1.5 V
Saturation Voltage
DC Current Gain h FE 29 – 61
Thermal Resistance Oj-F 1.3 ˚C/W
(6) Electrical Characteristics of Power Transistor Part (T r1) (Ta=25˚C)
Symbol Function
OVP Overvoltage Protection Circuit Built-in
TSD Thermal Shutdown Circuit Built-in