SPF5012

Low-side Switch ICs [Surface-mount 4-circuits with Output Monitor] SPF5012 Features ● Output monitor circuit (DIAG) ● DMOS 4ch output ● Allows ON/OFF using C-MOS logic level ● Built-in overcurrent, overvoltage and thermal protection circuits External Dimensions (unit: mm) 17.28 ±0.2 15.58 ±0.2 24 13 1.0 –0.05 Fin thickness +0.1 Absolute Maximum Ratings Parameter Power supply voltage 1 Power supply voltage 2 Output voltage Logic input voltage Output current Diag output voltage Power Dissipation Storage temperature Channel temperature Output avalanche capability Symbol VB VCC VO VIN IO VDIAG PD Tstg Tch EAV Ratings 40 7.5 40 (DC) –0.5 to +7.5 Self Limited 0 to VCC 2.8 to 5 –40 to +150 150 100 Unit V V V V A V W ºC ºC mJ Single pulse Conditions (Ta=25ºC) 1 1.27 ±0.25 0.4 –0.05 +0.15 12 2.5 ±0.2 2 ±0.2 b 0.25–0.05 +0.15 *1 a : Part No. b: Lot No. *2 Equivalent Circuit Diagram VCC1-2 (7) Diag1 (5) VB (19) Reg OVP TSD VIN1 (4) Gate driver OCP Gate Protection VOUT1 (3) * 1. At the clamping operation, refer to the section of VOUT (clamp) in electrical characteristics * 2. Changes by the patern of mounted substrate Ch1 P. GND1 (1, 2) Electrical Characteristics Parameter Operating power supply voltage 1 Operating power supply voltage 2 Quiescent circuit current Operating circuit current Hi output Input voltage Lo output Hi output Input current Lo output Output ON resistance Output clamp voltage I IN RDS (ON) 0.2 VOUT (clamp) 45 50 55 2.8 Output leak current I OH 900 Forward voltage of output stage diode Overvoltage protection starting voltage VF VB (ovp) 25 8 151 6 Overcurrent protection operating current IS 6 5 TON Output transfer time TOFF Output rise time Output fall time Output-diag voltage ratio Diag output clamping voltage Tr Tf ra (DIAG) VDIAG (clamp) 0.195 0.2 8 5 10 0.205 4.85 12 165 1.6 40 –30 0.3 VIN I IN –0.5 1.5 50 Symbol VB (opr) VCC (opr) Iq Id VIN 3.5 Ratings min 5.5 4.5 4 8 typ max 40 5.5 6 12 5.5 (VB = 14V, Ta = 25ºC unless otherwise specified) Unit V V mA mA V V µA µA Ω Ω V mA µA V V V ºC A A A µs µs µs µs VB =14V Conditions VIN2 (9) Ch2 Diag2 (8) VOUT2 (10) P. GND2 (11, 12) VCC3-4 (18) Diag3 (17) VOUT3 (15) P. GND3 (13, 14) VB =14V, VIN=0V VB =14V, VIN=5V VB =14V, VO=1A VB =14V VB =14V, VIN=5V VB =14V, IO 1A VB =14V, IO=1A, Ta=125ºC VB =14V, IO=1A, Ta=25ºC VB =14V, IO=1A VB =14V, VCC=5V, VIN=0V, VO = 40V, Ta=25ºC VB =14V, VCC =5V, VIN=0V, VO =14V, Ta = 25ºC I F=1A VIN3 (16) Ch3 VIN4 (21) Ch4 L. GND (6) Diag4 (20) VOUT4 (22) P. GND4 (23, 24) Circuit Example 7 18 19 3 10 15 22 VCC1-2 VCC3-4 VB VCC 4 9 16 21 VOUT1 VOUT2 VOUT3 VOUT4 Diag1 Diag2 Diag3 Diag4 5 8 17 20 Input signal VIN1 VIN2 VIN3 VIN4 L-GND 6 SPF5012 1, 2 11,12 13,14 Diag output Overvoltage protection hysteresis voltage VB (ovp•hys) Thermal shutdown operating temperature TTSD P-GND1 P-GND2 P-GND3 P-GND4 23,24 VB =14V, Ta=–40ºC VB =14V, Ta=25ºC VB =14V, Ta=125ºC Truth table VIN VO H L L H Short L-GND and P-GND in a pattern near the product. VB=14V, RL=14Ω, I O=1A VB =14V, VO =1 to 14V, Rdiag = 500kΩ V VB=14V, VCC=5V, VO = 40V Timing Chart OVP VB VOUT VIN Normal Overvoltage Overheat Overcurrent 54 * Self-excited frequency is used in the overcurrent protection. 10.5 ±0.3 7.5 ±0.2 a