ISL1902FAZ-T7A Intersil, ISL1902FAZ-T7A Datasheet - Page 13
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ISL1902FAZ-T7A
Manufacturer Part Number
ISL1902FAZ-T7A
Description
LED Lighting Drivers Dimmable AC Mains LED Driver PFC
Manufacturer
Intersil
Datasheet
1.ISL1902FAZ-T7A.pdf
(25 pages)
Specifications of ISL1902FAZ-T7A
Rohs
yes
Input Voltage
4 V
Operating Frequency
320 Hz
Maximum Supply Current
14.5 mA
Output Current
1 A
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
QSOP-24
Minimum Operating Temperature
- 40 C
Test Waveforms and Circuits
OUT
OC
FIGURE 9. OC +LEB TO OUT DELAY
13
LEADING EDGE BLANKING
OC PROPAGATION DELAY
OC + LEB TO OUT DELAY
OC THRESHOLD
FIGURE 11. ERROR AMPLIFER INPUT OFFSET TEST CIRCUIT
0.1µF
90/140µA
(Continued)
ISL1902
VDD
0.4V
90/140µA
10
11
12
1
2
3
4
5
6
7
8
9
VDD
PRELOAD
OFFREF
VREF
IOUT
CS+
CS-
REFIN
LPOUT
OC
FB2
FB1
INRUSH
MAINS
ISL1902
AC
10k
54k
5k
PWMOUT
DELADJ
INRUSH
Ω
Ω
Ω
RAMP
LOUT
VERR
LREF
GND
OUT
OVP
LFB
AC
24
23
22
21
20
19
18
17
16
15
14
13
PLACEHOLDER
FIGURE 10. AC MAINS TO INRUSH TIMING
470pF
t
DELAY
March 20, 2013
t
DELAY
FN7981.2