PSSI2021SAY NXP Semiconductors, PSSI2021SAY Datasheet

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PSSI2021SAY

Manufacturer Part Number
PSSI2021SAY
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PSSI2021SAY

Lead Free Status / RoHS Status
Compliant

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1. Product profile
1.1 General description
1.2 Features
1.3 Applications
1.4 Quick reference data
Resistor-equipped PNP transistor with two diodes on one chip in a SOT353 (SC-88A)
plastic package. Stabilized output current of between 15 A and 50 mA by connection of
an external resistor between pins 4 and 5.
I
I
I
I
I
I
I
I
Table 1.
Symbol
I
V
out
S
PSSI2021SAY
Constant current source in SOT353 package
Rev. 03 — 27 August 2009
One chip integrated constant current source
Output current setting by use of an external resistor
Very small package
Reduces component count and board space
Automotive applications
Generic constant current source
Constant current LED driver
Active bias control for audio amplifiers
Quick reference data
Parameter
output current
supply voltage
Conditions
Min
0.015
-
Typ
-
-
Product data sheet
Max
50
75
Unit
mA
V

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PSSI2021SAY Summary of contents

Page 1

... 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 A and connection of an external resistor between pins 4 and 5. ...

Page 2

... VS supply voltage Ordering information Package Name Description SC-88A plastic surface mounted package; 5 leads Marking codes Marking code S1* Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package Simplified outline Symbol n.c. [1] © NXP B.V. 2009. All rights reserved. 5 ...

Page 3

... Figure out out see Figure out see Figure 4 out out 150 C amb out Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package Min Figure 2 0.015 - = [ amb Min Typ [ Min Typ 240 - 1.5 - 0. © NXP B.V. 2009. All rights reserved. ...

Page 4

... (1) I (2) I (3) I (4) I (5) I (6) I Fig 2. 006aaa022 I (mA ext Fig 4. Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package out 10 mA out 1mA out 100 A out 50 A out 15 A out Output current as a function of supply voltage; typical values 2 ...

Page 5

... Table PSSI2021SAY_3 Product data sheet 0.617 I = ------------ - + out R ext Typical output currents at specified supply voltages Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package Table 8 gives typical I I (mA) out © NXP B.V. 2009. All rights reserved. values out ...

Page 6

... PSSI2021SAY_3 Product data sheet shows a typical application circuit for an LED driver. The constant current GND LED driver application diagram Figure IN/ OUT Switching the current ON/OFF; application diagram Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package ext REXT IOUT I out ...

Page 7

... 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) ...

Page 8

... scale ( 2.2 1.35 2.2 1.3 0.65 1.8 1.15 2.0 REFERENCES JEDEC JEITA SC-88A Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package detail 0.45 0.25 0.2 0.2 0.1 0.15 0.15 EUROPEAN PROJECTION SOT353 ISSUE DATE 04-11-16 06-03-16 © NXP B.V. 2009. All rights reserved. ...

Page 9

... For further information and the availability of packing methods, see PSSI2021SAY_3 Product data sheet Constant current source in SOT353 package [1] Description 4 mm pitch tape and reel Section 13. Rev. 03 — 27 August 2009 PSSI2021SAY Packing quantity 3000 -115 © NXP B.V. 2009. All rights reserved ...

Page 10

... Product data sheet Constant current source in SOT353 package Data sheet status Product data sheet “Pinning”: amended (SC-88A)”: updated Product data sheet Product specification Rev. 03 — 27 August 2009 PSSI2021SAY Change notice Supersedes - PSSI2021SAY_2 - PSSI2021SAY_1 - - © NXP B.V. 2009. All rights reserved ...

Page 11

... Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. http://www.nxp.com salesaddresses@nxp.com Rev. 03 — 27 August 2009 PSSI2021SAY Constant current source in SOT353 package © NXP B.V. 2009. All rights reserved ...

Page 12

... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2009. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com All rights reserved. Date of release: 27 August 2009 Document identifier: PSSI2021SAY_3 ...

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