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TPS61061DRBRG4 Datasheet(PDF) 2 Page - Texas Instruments

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No. de pieza TPS61061DRBRG4
Descripción Electrónicos  CONSTANT CURRENT LED DRIVER WITH DIGITAL AND PWM BRIGHTNESS CONTROL
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61061DRBRG4 Datasheet(HTML) 2 Page - Texas Instruments

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GND
EN
ILED
FB
Vin
OUT
SW
PGND
1
2
3
4
5
6
7
8
Exposed
Thermal
DiePad
A
B
C
1
2
3
Pin A1
Index
TPS61060
TPS61061
TPS61062
SLVS538 – NOVEMBER 2004
These devices have limited built-in ESD protection. The leads should be shorted together or the device
placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
OVERVOLTAGE
PACKAGE
PACKAGE MARKING
TA
PROTECTION
NanoFree
QFN
NanoFree(1)
QFN(2)
(OVP)
14 V (min)
TPS61060YZF
TPS61060DRB
AKX
AQP
–40 to 85
°C
18 V (min)
TPS61061YZF
TPS61061DRB
AKY
AQQ
22.2 V (min)
TPS61062YZF
TPS61062DRB
AKZ
AQR
(1)
The YZF package is available in tape and reel. Add R suffix (TPS61060YZFR) to order quantities of
3000 parts per reel or add T suffix (TPS61060YZFT) to order 250 parts per reel.
(2)
The DRB package is available in tape and reel. Add R suffix (TPS61060DRBR) to order quantities of
3000 parts per reel.
8-Pin NanoFree Package
8-Pin 3x3-mm QFN Package
Top View
Top View
TERMINAL FUNCTIONS
TERMINAL
NO.
I/O
DESCRIPTION
NAME
CSP
QFN
VIN
B1
8
I
Input supply pin of the device
Enable pin. This pin needs to be pulled high to enable the device. To allow brightness control of
EN
A2
2
I
the LEDs a PWM signal up to 1 kHz can be applied. This pin has an internal pulldown resistor.
GND
A1
1
Analog ground
PGND
C3
5
Power ground
This is the feedback pin of the device. The feedback pin regulates the LED current through the
sense resistor by regulating the voltage across Rs. The feedback voltage is set by the ILED pin.
FB
B3
4
I
ILED=GND sets the feedback voltage to 500 mV. ILED=high sets the feedback voltage to 250
mV. Refer to digital brightness control section for more information.
OUT
C1
7
O
Output of the device
SW
C2
6
I
Switch pin of the device
Digital brightness control input. When this pin is grounded the digital brightness control is
disabled. When this pin is connected to high then the feedback voltage is reduced to typically
ILED
A3
3
I
250 mV and the digital brightness control is enabled. Refer to digital brightness control section for
more information.
The PowerPAD™ (exposed thermal diepad) is only available on the QFN package. The
PowerPAD™
PowerPAD™ needs to be connected and soldered to analog ground (GND).
2


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