PSSI2021SAY,115 NXP Semiconductors, PSSI2021SAY,115 Datasheet - Page 6

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

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

NXP Semiconductors
PSSI2021SAY_3
Product data sheet
8.1 Typical application circuits
LED driver
Figure 5
ensures a constant LED brightness.
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 5.
Fig 6.
shows a typical application circuit for an LED driver. The constant current
LED driver application diagram
Switching the current ON/OFF; application diagram
Rev. 03 — 27 August 2009
IN/
OUT
Figure
GND
OUT
Constant current source in SOT353 package
VS
REXT
IOUT
6.
GND
GND
006aaa024
R
I
out
ext
V
VS
LED
REXT
IOUT
CC
006aaa025
R
I
out
ext
V
LED
PSSI2021SAY
CC
© NXP B.V. 2009. All rights reserved.
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