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Supertex

CL7 Datasheet Preview

CL7 Datasheet

Constant Current LED Driver

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Supertex inc.
CL7
Linear, 100mA, Constant Current
LED Driver with Enable Input
Features
►100mA ±5% constant current drive
►Built-in reverse polarity protection
►Logic level enable
►Dimmable via EN pin
►Overtemperature protection
►90V max rating for transient immunity
Applications
Flashlights
Specialty lighting
Low voltage signage
Low voltage lighting
General Description
The CL7 is a linear fixed current regulator designed for
driving high brightness LEDs at 100mA from nominal 12V,
24V, and 48V power supplies. With a maximum rating of
90V, it is able to withstand transients without the need for
additional transient protection circuitry. The CL7 is offered
in the 8-Lead SOIC package.
An active low enable input (EN) allows logic level control
of the LED for on/off control or PWM dimming. The enable
input has 100kΩ pull-down resistance. For applications not
needing an enable input, refer to the CL6 data sheet.
Over temperature protection shuts off the LED current
when the die temperature rises above 135°C (nominal).
Full LED current resumes when the die temperature falls
below 105°C (nominal).
Typical Application Circuit
VIN
Host
EN
Controller
100mA
VDD
OUT
Control
100kΩ
CL7
GND
Doc.# DSFP-CL7
A030314
Supertex inc.
www.supertex.com




Supertex

CL7 Datasheet Preview

CL7 Datasheet

Constant Current LED Driver

No Preview Available !

Ordering Information
Part Number Package Options
CL7SG-G
8-Lead SOIC (w/heat slug)
-G denotes a lead (Pb)-free / RoHS compliant package
Packing
2500/Reel
Absolute Maximum Ratings
Parameter
Value
Supply voltage, VDD
Output voltage, VOUT
Enable voltage, VEN
Operating junction temperature
-25V to +100V
-25V to +100V
-0.5V to +6.5V
-40°C*
Storage temperature
-65°C to +150°C
Absolute Maximum Ratings are those values beyond which damage to the
device may occur. Functional operation under these conditions is not implied.
Continuous operation of the device at the absolute rating level may affect
device reliability. All voltages are referenced to device ground.
Note:
* Maximum junction temperature internally limited.
Typical Thermal Resistance
Package
θja
8-Lead SOIC (w/heat slug) 84OC/W*
* Mounted on JEDEC test PCB (2s 2p)
Pin Configuration
GND 1
8 VDD
GND 2
7 OUT
GND 3
6 NC
GND 4
5 EN
Heat Slug
8-Lead SOIC w/heat slug
(top view)
(Heat slug potential is at ground)
CL7
Product Marking
YYWW
CL7
LLLL
YY = Year Sealed
WW = Week Sealed
L = Lot Number
= “Green” Packaging
Package may or may not include the following marks: Si or
8-Lead SOIC w/heat sug
Pin Designation
Pin Name Description
VDD VDD Supply voltage for the CL7
OUT
Output
Connect the LED between this pin and
the supply voltage
GND Ground Circuit common
EN
Enable
Active low enable input - this input has
an internal 100kΩ pull-down resistance
Recommended Operating Conditions (all voltages with respect to GND pin)
Sym Parameter
Min Typ Max Units Conditions
VDD Supply voltage
Normal 6.5
Extended 6.5
-
28
90
V ---
VOUT Voltage at OUT pin(1)
Normal 4.0
Extended 4.0
-
28
90
V ---
TJ Junction temperature(2)
-40 - 119 oC ---
Note:
1. Continuous operation at high VOUT voltages may result in activation of over temperature protection. Use appropriate heat sinking.
2. Maximum junction temperature internally limited.
Thermal Characteristics (Guaranteed by design – not production tested )
Sym Parameter
Min Typ Max Units Conditions
TLIM Over-temperature limit
THYS Over-temperature hysteresis
120 135 150
- 30 -
OC ---
OC ---
Doc.# DSFP-CL7
A030314
Supertex inc.
2 www.supertex.com


Part Number CL7
Description Constant Current LED Driver
Maker Supertex
PDF Download

CL7 Datasheet PDF






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