PSSI2021SAY,115 NXP Semiconductors, PSSI2021SAY,115 Datasheet

IC CURRENT SOURCE-SOT353

PSSI2021SAY,115

Manufacturer Part Number
PSSI2021SAY,115
Description
IC CURRENT SOURCE-SOT353
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PSSI2021SAY,115

Package / Case
SC-70-5, SC-88A, SOT-323-5, SOT-353, 5-TSSOP
Function
Current Source
Voltage - Input
75V
Current - Output
50mA
Operating Temperature
-65°C ~ 150°C
Mounting Type
Surface Mount
Minimum Operating Temperature
- 65 C
Mounting Style
SMD/SMT
Power Dissipation
335 mW
Maximum Operating Temperature
+ 150 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Accuracy
-
Sensing Method
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-5037-2
934056564115
PSSI2021SAY T/R
PSSI2021SAY T/R
PSSI2021SAY,115

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PSSI2021SAY,115
Manufacturer:
NXP/恩智浦
Quantity:
20 000
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

Related parts for PSSI2021SAY,115

PSSI2021SAY,115 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 ...

Page 2

... 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 ...

Page 3

... 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 ...

Page 4

... 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) ...

Page 5

... 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. ...

Page 6

... 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 ...

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

... 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 ...

Page 9

... 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 ...

Page 10

... 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 ...

Page 11

... 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 ...

Page 12

... 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 ...

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