ISL1904FAZ-T7A Intersil, ISL1904FAZ-T7A Datasheet - Page 13

• Manufacturer Part Number: ISL1904FAZ-T7A
• Description: LED Lighting Drivers Dimmable Buck LED Driver IC
• Manufacturer: Intersil

Specifications of ISL1904FAZ-T7A

• Rohs: yes
• Input Voltage: 9 V to 20 V
• Operating Frequency: 1 MHz
• Maximum Supply Current: 7.8 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16

Test Waveforms and Circuits
Typical Performance Curves
1.001
1.000
0.999
0.998
0.997
0.996
2.5
2.0
1.5
1.0
0.5
FIGURE 6. REFERENCE VOLTAGE vs TEMPERATURE
0
0
-40 -25 -10
FIGURE 8. DELAY vs DELADJ RESISTANCE
OUT
OC
25
FIGURE 4. OC +LEB TO OUT DELAY
50
TEMPERATURE (°C)
DELAY RESISTANCE (kΩ)
5
75
20
13
100
LEADING EDGE BLANKING
OC PROPAGATION DELAY
OC + LEB TO OUT DELAY
OC THRESHOLD
35
125
50
65
150
80
175
95
200
110 125
(Continued)
225
ISL1904
MAINS
FIGURE 9. PWMOUT DUTY CYCLE vs AC SIGNAL DUTY CYCLE
DHC
AC
500
400
300
200
100
100
FIGURE 7. EA REFERENCE vs AC SIGNAL DUTY CYCLE
80
60
40
20
0
0
0
0
FIGURE 5. AC MAINS TO DHC TIMING
AC CONDUCTION ANGLE (% DUTY CYCLE 120Hz)
AC CONDUCTION ANGLE (% DUTY CYCLE 120Hz)
10
10
20
20
30
30
40
40
50
50
60
60
t
DELAY
70
70
September 20, 2012
80
80
t
DELAY
90
90
FN8286.1
100
100