HT62783ARWZ

HT62783A&HT62784A 8-channel Darlington current driver HT62783A&HT62784A The HT62783A, HT62784A are 8- channel current driver with common supply and ground. The HT62783A, HT62784A are purposed in different devices: re- lays, lamps, displays (LED & gas discharge cells), telecommunication lines and logic devices. 18 DIP18 18 01 SOP18 Main features: - The HT62783AR, HT62784AR are realized in 18-pin SOP18 - HT62783AN,HT62784AN – in 18-pin DIP18 - output sustaining voltage up to 50 V; - one channel output current up to 500 mA; - output clamp diodes; - single supply voltage of drivers. Allowable value of electrostatic potential 2000V Table 1 – Electric circuitry difference of ICs IC marking Number of serially connected diodes Applicable with ICs HT62783A 3 TTL, 5 V CMOS HT62784A 6 6  15 V P-MOS, CMOS Rev. 00 HT62783A&HT62784A A HT62784A Table 2 – Package pins Pin number (SOP18, DIP18) Symbol 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 IN 8 Vcc GND OUT 8 OUT 7 OUT 6 OUT 5 OUT 4 OUT 3 OUT 2 OUT 1 Description Input Input Input Input Input Input Input Input Supply voltage pin Common pin (ground) Output Output Output Output Output Output Output Output Rev. 00 HT62783A&HT62784A A HT62784A Fig 2 – Electric block diagram Rev. 00 HT62783A&HT62784A A HT62784A VCC R3 20k VD1 R1 10k VT2 VT1 IN VT3 VD4 VD2 VD7 VT4 VD3 R4 10k R2 2,6k R5 5k OUT VD5 VD6 GND Fig. 3 – Electrical scheme of one channel of HT62783A VCC R3 20к VD1 R1 10к VT2 IN VT1 VT3 VT4 VD3 VD2 VD4 R2 2,6к R4 10к VD10 R5 5к O UT VD5 VD6 VD9 VD7 VD8 G ND Fig. 4 – Electrical scheme of one channel of HT62784A Rev. 00 HT62783A&HT62784A A HT62784A Table 3 –Maximum ratings Symbol Parameter VCC Supply voltage IOUT Output current (one channel) VIN Input voltage Norm Unit Min -0,5 Max 50 V - -500* mA -0,5 15 V -0,5 30 HT62783AR,HT62783AR HT62784AR,HT62784AN VR Clamp diode reverse voltage - 50 V IF Clamp diode forward current Storage temperature Power dissipation** - 500 mA -60 - 150 0,96* Tstg PD o C W Table 4 – Recommended operation modes Symbol Parameter Norm Unit Min 0 Max 50 V mA VCC Supply voltage IOUT Output current (one channel) 8 channels at Duty 10% Tpw = 25 ms, Ta =85 oC, Tj = 120 oC Duty 50% Clamp diode reverse voltage - -350* - -180* - -38* 50 V Clamp diode forward current Power dissipation ** - 400 mA - 0,4* W VR IF PD Rev. 00 HT62783A&HT62784A A HT62784A Table 5 – Electric parameters of ICs Norm Symbol VIN(ON) Parameter Input voltage HT62783A Measurement mode VCE = 2 V VCE = 2,4 V IOUT = 350 mA HT62784A VIN(OFF) Input voltage IOUT = 500 A Min Max - 2,0 2,4 - 4,5 5,4 - 0,8 0,64 Ambient, temperaUnit ture C 25±10 -40 85 V HT62783A HT62784A ICC(ON) Supply current HT62783A HT62784A VCE(sat) Output saturation voltage HT62783A HT62784A ICEX Output leakage current VF Clamp diode forward voltage IIN((ON) Input current HT62783A VIN = 2 V VCC = 50 V VIN = 4,5 V VCC = 50 V IOUT = -100 mA VIN = 2 V IOUT = -225 mA VIN = 2 V IOUT = -350 mA VIN = 2 V IOUT = -100 mA VIN = 4,5 V IOUT = -225 mA VIN = 4,5 V IOUT = -350 mA VIN = 4,5 V VCC = 50 V VIN = 0,4 V IF = 350 mA 2,0 1,6 - - IR Clamp diode reverse current 2,5 3,0 1,8 2,16 1,9 2,28 2,0 2,4 1,8 2,16 1,9 2,28 2,0 2,4 100 - 2,0 2,4 IF = 400 mA - 3,0 3,6 VIN = 2,4 V - 0,052 0,062 0,26 0,31 0,13 0,156 1,13 1,356 50 60 VIN = 3,85 V HT62784A - VIN = 5 V - VIN = 12 V - VR = 50 V - 25±10 -40 85 mA V 25±10 A 25±10 -40 85 V mA A Rev. 00 HT62783A&HT62784A Table 6 – Typical electric parameters at Ta = 25 oC Symbol Parameter tON Turn -ON delay tOFF Turn-OFF delay Measurement mode RL = 125 , VOUT = 50 V Typical value Unit 0,15 s CL = 15 pF 3,0 s 5 ns V V 10 ns 90% INPUT 50 % 10% VIH 90% 50 % 50 s tON 10% 0V tOFF VOH OUTPUT 50% 50% VOL 0 Note Pulse width is 50 s, ratio (duty cycle) t s 100%  tW / T = 10% ( tW – pulse width, s; T – period , s) Fig. 5 – Time diagram of HT62783AR, HT62784AR, HT62783AN, HT62784AN at measurement of signal delay at turn -ON tON and turn-OFF switching tOFF Rev. 00 HT62783A&HT62784A Rev. 00 HT62783A&HT62784A Rev. 00