ISL97684IRTZ-T Intersil, ISL97684IRTZ-T Datasheet - Page 9
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ISL97684IRTZ-T
Manufacturer Part Number
ISL97684IRTZ-T
Description
4 Channel LED Driver, 16LD TQFN 3X3, T&R
Manufacturer
Intersil
Series
-r
Datasheet
1.ISL97682IRTZ.pdf
(17 pages)
Specifications of ISL97684IRTZ-T
Constant Current
-
Constant Voltage
-
Topology
PWM, Step-Up (Boost)
Number Of Outputs
4
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
-
Frequency
500kHz ~ 650kHz, 900kHz ~ 1.1MHz
Voltage - Supply
4 V ~ 26.5 V
Voltage - Output
45V
Mounting Type
Surface Mount
Package / Case
16-WFQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
ISL97682, ISL97683, ISL97684
Typical Performance Curves
(Continued)
V
(50mV/DIV)
V
(1V/DIV)
OUT
Vout(50mV/Div)
O
Lx=20V/div
LX = 20V/DIV)
ILED (20mA/DIV)
FIGURE 15. LOAD REGULATION WITH ILED CHANGE FDROM 100%
FIGURE 16. V
RIPPLE VOLTAGE, V
= 12V, 4P10S AT 20mA/CH
OUT
IN
TO 0% PWM DIMMING, V
= 12V AT 20mA/CH
IN
V
Vout
OUT
V
Vout
OUT
I
(0.5A/DIV)
IN
Iin(0.5A/div)
I
(0.5A/DIV)
Iin(0.5A/div)
IN
ILED (20mA/DIV)
ILED(20mA/div)
EN
EN
ILED(20mA/div)
ILED (20mA/DIV)
EN
EN
FIGURE 17. IN-RUSH AND LED CURRENT AT V
= 5V FOR 4P10S
FIGURE 18. IN-RUSH AND LED CURRENT AT V
= 12V FOR 4P10S
IN
IN
AT 20mA/CH
AT 20mA/CH
9
FN7689.0
March 11, 2011