ISL97682IRTZR5509 Intersil, ISL97682IRTZR5509 Datasheet - Page 7

• Manufacturer Part Number: ISL97682IRTZR5509
• Description: LED Lighting Drivers 1 Channel LED Drivers, 16LD TQFN 3X3
• Manufacturer: Intersil

Specifications of ISL97682IRTZR5509

• Input Voltage: 4 V to 26.5 V
• Operating Frequency: 501 kHz to 650 kHz, 900 kHz to 1.1 MHz
• Maximum Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-16
• Minimum Operating Temperature: - 40 C

Typical Performance Curves
FIGURE 3. ISL97683 TYPICAL EFFICIENCY FOR 3V TO 4.2V IN A
FIGURE 5. ISL97683 TYPICAL EFFICIENCY FOR 5V
FIGURE 7. ISL97864 PWM vs PFM EFFICIENCY vs DC AT
90
80
70
60
50
40
30
20
10
90
80
70
60
50
93
88
83
78
73
68
63
58
0
0
0
0
3P7S, ILED = 20mA/CH SINGLE SUPPLY
CONFIGURATION AT F
ILED = 20mA/CH CONFIGURATION AT F
IN PWM MODE
V
IN
10
= 15V IN4P8S CONFIGURATION
1000k PWM V
20
20
3V
30
IN
5V
IN
40
3.7V
7
40
= 15V
DC (%)
DC (%)
DC (%)
IN
SW
50
50
1000k PFM V
= 600kHz IN PWM MODE
ISL97682, ISL97683, ISL97684
4.2V
60
60
IN
70
IN
80
= 15V
80
IN
SW
IN A 3P7S,
= 600kHz
90
100
100
100
FIGURE 4. ISL97683 TYPICAL EFFICIENCY FOR 3V TO 4.2V IN A
FIGURE 6. ISL97684 EFFICIENCY FOR 4P10S AT 20mA/CH AT
FIGURE 8. PFM vs PFM MODE FOR 4P8S vs V
87
86
85
84
83
85
80
75
70
65
60
55
50
95
90
85
80
75
70
0
0
0
3P7S, ILED = 20mA/CH CONFIGURATION AT
F
600kHz IN PWM MODE
SW
= 600kHz IN PWM MODE WITH V
5
20
1000k PFM 50%
3V
IN
10
10
600k PWM
40
DC (%)
DC (%)
3.7V
15
IN
1000k PWM 50%
60
20
20
4.2V
IN
IN
80
IN
25
AT 1MHz
SUPPLY = 5V
May 16, 2012
FN7689.1
100
30
30