ISL97682IRTZ-TK Intersil, ISL97682IRTZ-TK Datasheet - Page 8

• Manufacturer Part Number: ISL97682IRTZ-TK
• Description: 2 Channel LED Driver, 16LD TQFN 3X3, 1K T&R
• Manufacturer: Intersil
• Series: -r

Specifications of ISL97682IRTZ-TK

• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 2
• 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

Typical Performance Curves
FIGURE 11. QUIESCENT CURRENT vs V
FIGURE 13. LINE REGULATION WITH V
FIGURE 9. CURRENT LINEARITY vs LOW LEVEL PWM DIMMING
I
IN
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
(0.5A/DIV)
5
4
3
2
1
0
0
0
0
DUTY CYCLE AT 12V
LEDS CONNECTED
FOR 4P10S AT 20mA/C
0.8
5
ILED (20mA/DIV)
V
IN
1.6
10
(5V/DIV)
MEASURED
8
DC (%)
V
IN
IN
2.4
15
FOR 4P10S AT 20mA/CH
(V)
ISL97682, ISL97683, ISL97684
IN
IN
CHANGE FROM 6V TO 26V
WITH EN = HIGH, NO
3.2
20
CALCULATED
25
4.0
(Continued)
4.8
30
FIGURE 10. CURRENT LINEARITY vs PWM DIMMING DUTY CYCLE
FIGURE 12. CHANNEL VOLTAGE vs V
FIGURE 14. LINE REGULATION WITH V
I
IN
1.0
0.8
0.6
0.4
0.2
32
30
28
26
24
22
20
18
16
14
12
10
0
8
6
4
2
0
(0.5A/DIV)
0
0
AT 12V
20mA/CH
FOR 4P10S AT 20mA/CH
CH4
20
ILED (20mA/DIV)
CH2
IN
DIMMING DUTY CYCLE (%)
FOR 4P10S AT 20mA/CH
10
V
CH1
IN
40
(5V/DIV)
CH1
CH3
V
IN
(V)
IN
CH4
60
IN
FOR V
20
CHANGE FROM 26V TO 6V
CH3
IN
80
= 12V AT 4P10S AT
CH2
March 11, 2011
100
30
FN7689.0