Datasheet

ManualsBrandsST ManualsDiodesSchottky Diode, 1A, 40V, DO-214AC, SMA

June 2009 Doc ID 5507 Rev 6 1/11

STPS1L40

Low drop power Schottky rectifier

Features

■ Very small conduction losses

■ Negligible switching losses

■ Low forward voltage drop

■ Surface mount miniature packages

■ Avalanche capability specified

Description

Single chip Schottky rectifiers suited to switched

mode power supplies and high frequency DC to

DC converters.

Packaged in SMA, SMB and STmite flat this

device is especially intended for surface mounting

and used in low voltage, high frequency inverters,

free wheeling and polarity protection applications.

Table 1. Device summary

Symbol Value

F(AV)

1 A

RRM

40 V

(max) 150 °C

(max) 0.42 V

SMB

(JEDEC DO-214AA)

STPS1L40U

SMA

(JEDEC DO-214AC)

STPS1L40A

STmite flat

STPS1L40MF

www.st.com

Summary of content (11 pages)

PAGE 1
STPS1L40 Low drop power Schottky rectifier Features ■ Very small conduction losses ■ Negligible switching losses ■ Low forward voltage drop ■ Surface mount miniature packages ■ Avalanche capability specified A A K K SMA (JEDEC DO-214AC) STPS1L40A SMB (JEDEC DO-214AA) STPS1L40U Description Single chip Schottky rectifiers suited to switched mode power supplies and high frequency DC to DC converters.
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Characteristics 1 STPS1L40 Characteristics Table 2. Absolute ratings (limiting values) Symbol VRRM Repetitive peak reverse voltage IF(RMS) Forward rms current Unit 40 V 8 STmite flat 2 A SMA / SMB TL = 130 °C δ = 0.5 Average forward current STmite flat TC = 135 °C δ = 0.
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STPS1L40 Characteristics Figure 1. 0.8 Average forward power dissipation Figure 2. versus average forward current PF(AV)(W) 1.2 0.7 δ = 0.1 δ = 0.05 0.6 δ = 0.2 δ = 0.5 IF(AV)(A) SMA Rth(j-a) = Rth(j-l) 1.0 δ=1 0.8 0.5 0.6 0.4 0.3 Rth(j-a) = 120 °C/W 0.4 0.2 T T 0.2 0.1 0.0 0.0 δ = tp / T IF(AV)(A) 0.2 Figure 3. 1.2 Average forward current versus ambient temperature (SMA, δ = 0.5) 0.4 0.6 0.8 1.0 1.2 δ = tp / T tp 1.4 tp 0.0 0 1.
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Characteristics Figure 7. STPS1L40 Non repetitive surge peak forward current versus overload duration (maximum values, SMA) I (A) 7 M Figure 8. Non repetitive surge peak forward current versus overload duration (maximum values, SMB) I (A) 7 M SMA SMB 6 6 5 5 Ta = 25 °C 4 Ta = 75 °C 3 Ta = 125 °C 2 1 IM 0 1.E-04 1.E-03 Figure 9. 1.E-02 1.E-01 1.
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STPS1L40 Characteristics Figure 13. Reverse leakage current versus reverse voltage applied (typical values) I (mA) 1.E+02 R Figure 14. Junction capacitance versus reverse voltage applied (typical values) C(pF) 1000 F = 1 MHz Vosc = 30 mVRMS Tj = 25 °C Tj = 150 °C 1.E+01 Tj = 125 °C Tj = 100 °C 1.E+00 100 Tj = 75 °C 1.E-01 Tj = 50 °C 1.E-02 Tj = 25 °C VR(V) 1.E-03 0 5 10 15 20 25 30 35 1 40 Figure 15.
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Characteristics STPS1L40 Figure 17. Thermal resistance junction to ambient versus copper surface under each lead (SMA) 140 Figure 18. Thermal resistance junction to ambient versus copper surface under each lead (SMB) Rth(j-a)(°C/W) 120 120 Rth(j-a)(°C/W) SMA Epoxy printed circuit board, FR4 copper thickness = 35 µm 100 SMB Epoxy printed circuit board, FR4 copper thickness = 35 µm 100 80 80 60 60 40 40 20 20 0 0.0 Scu(cm²) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Scu(cm²) 0 0.0 5.
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STPS1L40 2 Package information Package information ● Epoxy meets UL94, V0 ● Cathode band (SMA, SMB) 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. Table 5. SMA dimensions Dimensions Ref. Millimeters Inches E1 D E A1 A2 C L Min. Max. Min. Max. A1 1.
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Package information Table 6. STPS1L40 SMB dimensions Dimensions Ref. Millimeters Inches E1 D E A1 A2 C L b Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.40 0.006 0.016 D 3.30 3.95 0.130 0.156 E 5.10 5.60 0.201 0.220 E1 4.05 4.60 0.159 0.181 L 0.75 1.50 0.030 0.059 Figure 21. Footprint, dimensions in mm (inches) 1.62 2.60 (0.064) (0.102) 1.62 (0.064) 2.18 (0.086) 5.84 (0.
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STPS1L40 Package information Table 7. STmite flat dimensions Dimensions Ref. L E1 D L1 Inches Min. Typ. Max. Min. Typ. Max. A 0.80 0.85 0.95 0.031 0.033 0.037 b 0.40 0.55 0.65 0.016 0.022 0.026 b2 0.70 0.85 1.00 0.027 0.033 0.039 L2 b b2 L3 E Millimeters c A c 0.10 0.15 0.25 0.004 0.006 0.009 D 1.75 1.90 2.05 0.069 0.075 0.081 E 3.60 3.80 3.90 0.142 0.150 0.154 E1 2.80 2.95 3.10 0.110 0.116 0.122 L 0.50 0.55 0.80 0.020 0.022 0.031 L1 2.10 2.
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Ordering information 3 Ordering information Table 8. 4 Ordering information Order code Marking Package Weight Base qty Delivery mode STPS1L40A GB4 SMA 0.068 g 5000 Tape and reel STPS1L40U GC4 SMB 0.107 g 2500 Tape and reel STPS1L40MF F1L4 STmite flat 0.016 g 1200 Tape and reel Revision history Table 9. 10/11 STPS1L40 Document revision history Date Revision Changes Jul-2003 4A Aug-2004 5 SMA package dimensions update. Reference A1 max. changed from 2.70 mm (0.106 inch.
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STPS1L40 Please Read Carefully: 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. All ST products are sold pursuant to ST’s terms and conditions of sale.