STD878T4

STD878 STN878 High current, high performance, low voltage NPN transistors Features ■ Very low collector to emitter saturation voltage ■ DC current gain, hFE >100 ■ 5 A continuous collector current 4 4 Applications 1 ■ Power management in portable equipment ■ Voltage regulation in bias supply circuits ■ Switching regulator in battery charger applications ■ Heavy load driver 2 SOT-223 e t e ol s b O Figure 1. Description ) (s The devices are manufactured in low voltage NPN planar technology with “base island” layout. the resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. ) s ( ct 3 3 Pr u d o 1 DPAK Internal schematic diagram t c u d o r P e t e l o s b O Table 1. Device summary Order codes Markings Packages Packaging STD878T4 D878 DPAK Tape and reel STN878 N878 SOT-223 Tape and reel August 2010 Doc ID 13836 Rev 2 1/10 www.st.com 10 Electrical ratings 1 STD878, STN878 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Unit VCBO Collector-base voltage (IE = 0) 45 V VCEO Collector-emitter voltage (IB = 0) 30 V VEBO Emitter-base voltage (IC = 0) 6 V Collector current 5 A Collector peak current (tP < 5 ms) 10 Total dissipation at TC = 25 °C for STD878 15 Total dissipation at Tamb = 25 °C for STN878 1.6 IC ICM PTOT TSTG TJ Symbol RthJC RthJA ) (s Thermal resistance junction-ambient for STN878 t c u d o r P e t e l o s b O Doc ID 13836 Rev 2 (1) W °C 150 °C Value Unit __max 8.3 °C/W _max 78 °C/W P e Thermal resistance junction-case for STD878 A -65 to 150 t e l o s b O Parameter Device mounted on PCB area of 1 cm2. 1. d o r Max. operating junction temperature Thermal data (s) t c u Storage temperature Table 3. 2/10 Value STD878, STN878 2 Electrical characteristics Electrical characteristics Tcase = 25 °C unless otherwise specified. Table 4. Electrical characteristics Symbol Parameter Test conditions ICBO Collector cut-off current (IE = 0) VCB = 30 V VCB = 30 V; IEBO Emitter cut-off current (IC = 0) VEB = 6 V Collector-emitter V(BR)CEO (1) breakdown voltage (IB = 0) IC = 10 mA V(BR)CBO Collector-base breakdown voltage (IE = 0) IC = 100 µA V(BR)EBO Emitter-base breakdown voltage (IC = 0) IE = 100 µA Collector-emitter saturation voltage IC = 0.5 A IC = 2 A IC = 5 A IC = 6 A IC = 8 A IC = 10 A VCE(sat) (1) VBE(sat) (1) e t e ol s b O td tr ts tf s ( t c u d o Base-emitter saturation voltage Pr hFE (1) )- DC current gain Resistive load Delay time Rise time Storage time Fall time IC = 2 A IC = 6 A IC = 10 mA IC = 500 mA IC = 5 A IC = 5 A Tc = 100 °C IC = 8 A IC = 10 A Typ. TC = 100 °C 10 100 µA µA 10 µA V u d o VCE = 1 V VCE = 1 V V 0.15 0.35 0.7 V V V V V V 1.1 V V 0.7 1 1.2 IB = 50 mA IB = 0.25 A VCE = 1 V VCE = 1 V VCE = 1 V VCE = 1 V V 6 IB = 5 mA IB = 50 mA IB = 0.25 A IB = 0.25 A IB = 0.4 A IB = 0.5 A VCC = 20 V IC = 3 A IB1 = - IB2 = 60 mA see Figure 8 Unit Pr 45 e t e l Max. ) s ( ct 30 so b O Min. 1.2 120 100 70 200 200 100 300 100 55 35 180 160 250 80 220 210 300 100 ns ns ns ns 1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 % Doc ID 13836 Rev 2 3/10 Electrical characteristics 2.1 STD878, STN878 Electrical characteristics (curves) Figure 2. DC current gain (VCE = 1 V) Figure 3. DC current gain (VCE = 3 V) ) s ( ct Figure 4. Collector-emitter saturation voltage Figure 5. u d o Base-emitter saturation voltage r P e t e l o ) (s s b O t c u Figure 6. P e d o r Resistive load switching time Figure 7. (ON) t e l o s b O 4/10 Doc ID 13836 Rev 2 Resistive load switching time (OFF) STD878, STN878 2.2 Electrical characteristics Test circuits Figure 8. Resistive load switching test circuit ) s ( ct u d o r P e t e l o 1. Fast electronic switch 2. Non-inductive resistor ) (s s b O t c u d o r P e t e l o s b O Doc ID 13836 Rev 2 5/10 Package mechanical data 3 STD878, STN878 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 6/10 Doc ID 13836 Rev 2 STD878, STN878 Package mechanical data SOT-223 mechanical data mm. Dim. Min. Typ. Max. A 1.80 A1 0.02 0.1 B 0.60 0.70 0.85 B1 2.90 3.00 3.15 c 0.24 0.26 0.35 D 6.30 6.50 e 2.30 e1 4.60 E 3.30 H 6.70 ) s ( ct 6.70 r P e t e l o 3.50 V ) (s s b O 7.00 u d o 3.70 7.30 10 o t c u d o r P e t e l o s b O 0046067_M Doc ID 13836 Rev 2 7/10 Package mechanical data STD878, STN878 TO-252 (DPAK) mechanical data mm. DIM. min. ty p ma x . A 2.20 2.40 A1 0.90 1.10 A2 0.03 0.23 b 0.64 0.90 b4 5.20 5.40 ) s ( ct c 0.45 0.60 c2 0.48 0.60 D 6.00 6.20 D1 u d o 5.10 E 6.40 E1 4. 70 e 2.28 e1 4.40 H 9.35 L 1 t e l o bs L1 L2 L4 0.60 R (s) 0o V2 r P e -O 6.60 4.60 10.10 2.80 0.80 1 0.20 8o t c u d o r P e t e l o s b O 0068772_G 8/10 Doc ID 13836 Rev 2 STD878, STN878 4 Revision history Revision history Table 5. Document revision history Date Revision Changes 21-Aug-2007 1 Initial release. 30-Aug-2010 2 Inserted STD878T4 order code Table 1 on page 1. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 13836 Rev 2 9/10 STD878, STN878 ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. r P e All ST products are sold pursuant to ST’s terms and conditions of sale. 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