PSSI2021SAY,115 NXP Semiconductors, PSSI2021SAY,115 Datasheet
PSSI2021SAY,115
Specifications of PSSI2021SAY,115
934056564115
PSSI2021SAY T/R
PSSI2021SAY T/R
PSSI2021SAY,115
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PSSI2021SAY,115 Summary of contents
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PSSI2021SAY Constant current source in SOT353 package Rev. 03 — 27 August 2009 1. Product profile 1.1 General description Resistor-equipped PNP transistor with two diodes on one chip in a SOT353 (SC-88A) plastic package. Stabilized output current of between 15 ...
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... NXP Semiconductors 2. Pinning information Table 2. Pin Ordering information Table 3. Type number PSSI2021SAY 4. Marking Table 4. Type number PSSI2021SAY [ made in Hong Kong * = t: made in Malaysia * = W: made in China PSSI2021SAY_3 Product data sheet Pinning Symbol Description n.c. not connected IOUT output current GND ground REXT external resistor ...
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... NXP Semiconductors 5. Limiting values Table 5. In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol I out out tot T stg amb [1] Between all terminals [2] Device mounted on a FR4 printed-circuit board, single-sided copper, tin-plated, standard footprint 6. Thermal characteristics Table 6. Symbol R th(j-a) [1] Device mounted on a FR4 printed-circuit board, single-sided copper, tin-plated, standard footprint 7 ...
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... NXP Semiconductors out (mA ( out ( out (3) I 1mA out (4) I 100 A out ( out ( out Fig 1. Output current as a function of load resistance; typical values out (mA 100 S L Fig 3. Output current as a function of external resistance; typical values PSSI2021SAY_3 Product data sheet 006aaa020 I out (mA) ...
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... NXP Semiconductors 8. Application information External resistor calculation The output current can be set by connecting an external resistor between VS (pin 5) and REXT (pin 4). I then calculates to: out Without an external resistor the output current will be typically 15 A. Typical output currents versus supply voltage V The applied supply voltage determines the output current. ...
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... NXP Semiconductors 8.1 Typical application circuits LED driver Figure 5 ensures a constant LED brightness. Fig 5. Switching the current ON/OFF The output can be switched ON and OFF by connecting a resistor-equipped transistor (RET, e.g. PDTC124XU) as shown in Fig 6. PSSI2021SAY_3 Product data sheet shows a typical application circuit for an LED driver. The constant current ...
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... NXP Semiconductors Voltage reference The PSSI2021SAY supplies a constant current to the Zener diode regardless of supply voltage variation, resulting in a constant reference voltage (see Fig 7. PSSI2021SAY_3 Product data sheet GND Voltage reference application diagram Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package Figure 7) ...
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... NXP Semiconductors 9. Package outline Plastic surface-mounted package; 5 leads DIMENSIONS (mm are the original dimensions UNIT max 0.3 0.25 1.1 mm 0.1 0.8 0.2 0.10 OUTLINE VERSION IEC SOT353 Fig 8. Package outline SOT353 (SC-88A) PSSI2021SAY_3 Product data sheet scale ( 2.2 1.35 2.2 1.3 0.65 1 ...
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... NXP Semiconductors 10. Packing information Table 9. Packing methods The indicated -xxx are the last three digits of the 12NC ordering code. Type number Package PSSI2021SAY SOT353 [1] For further information and the availability of packing methods, see PSSI2021SAY_3 Product data sheet Constant current source in SOT353 package ...
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... Revision history Document ID Release date PSSI2021SAY_3 20090827 • Modifications: This data sheet was changed to reflect the new company name NXP Semiconductors, including new legal definitions and disclaimers. No changes were made to the technical content. • Table 2 • Figure 8 “Package outline SOT353 ...
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... Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice ...
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... NXP Semiconductors 14. Contents 1 Product profi 1.1 General description 1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.4 Quick reference data Pinning information . . . . . . . . . . . . . . . . . . . . . . 2 3 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 Limiting values Thermal characteristics Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 3 8 Application information 8.1 Typical application circuits . . . . . . . . . . . . . . . . 6 9 Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 8 10 Packing information ...