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ISL1902 Datasheet, PDF (9/25 Pages) Intersil Corporation – Full-Featured, Dimmable AC Mains LED Driver with PFC
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ISL1902
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to the Block Diagram on page 4 and
Typical Application schematics starting on page 5. VDD = 17V, RRAMP = 54kΩ, CRAMP = 470pF, TA = -40°C to +125°C, Typical values are at TA = +25°C.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 7)
TYP
(Note 7)
UNITS
PULSE WIDTH MODULATOR
PWM Restart Delay Range
8V < VDD< 26V
0.2
2.0
µs
PWM Restart Cycle Delay
RDELADJ = 20.0kΩ, 8V < VDD< 26V
240
280
320
ns
RDELADJ = 210kΩ, 8V < VDD< 26V
2.00
2.20
2.40
µs
Maximum Frequency Clamp
RRAMP = 100Ω, RAMP = 2V,
8V < VDD< 26V
0.7
1.0
1.2
MHz
Minimum Frequency Clamp
RRAMP = 23kΩ, 8V < VDD< 26V
20
25
31
kHz
Minimum Duty Cycle
8V < VDD< 26V, COMP = 0V
0
%
Minimum Non-Zero Output Duration
8V < VDD< 26V
70
100
130
ns
Zero Current (CrCm) Detector Threshold, Falling
8V < VDD< 26V
7
28
mV
VERR to PWM Gain
8V < VDD< 26V
0.200
V/V
SS to PWM Gain
8V < VDD< 26V
0.222
V/V
ERROR AMPLIFIERS (EA1 AND EA2)
Input Common Mode (CM) Range
(Note 8)
0
3.4
V
GBWP
(Note 8)
1.9
MHz
VERR VOL EA1
VERR VOL EA2
VERR VOH
IVERR = 6mA, 8V < VDD< 26V
IVERR = 4mA, 8V < VDD< 26V
IVERR = 1mA (Ext. pull-up)
SS complete
0.950
V
0.950
V
3.90
4.00
4.20
V
Open Loop Gain
(Note 8)
70
dB
Offset Voltage (VOS)
Input Bias Current, FB1
Input Bias Current, FB2
DIFFERENTIAL CURRENT SENSE (CS+, CS-)
8V < VDD< 26V
-7.5
REFIN = 0.5V, FB1 = 2.0V, FB2 = 0V,
-1.0
8V < VDD< 26V
REFIN = 0.5V, FB2 = 2.0V, FB1 = 0V,
-1.0
8V < VDD< 26V
7.5
mV
1.0
µA
1.0
µA
IOUT Amplifier Gain
Common Mode (CM) Input Range
Differential Input Range
Offset Voltage (VOS)
GBWP
CS- = 0V, CS+ = 0.1V, 0.3V,
8V < VDD< 26V
8V < VDD< 26V
8V < VDD< 26V
8V < VDD< 26V
(Note 8)
2.910
2.970
3.030
V/V
-0.30
0
-36
8
0.50
V
1.5
V
48
mV
MHz
Slew Rate
(Note 8)
45
V/µs
Input Bias Current
IOUT High Level Output Voltage (VOH)
IOUT Low Level Output Voltage (VOL)
AC DETECTOR
CS- = 0V, 1.0V
-1.0
CS+ = 1.0V, 1.5V
8V < VDD< 26V
VIOUT at 0µA - VIOUT at -100µA,
8V < VDD < 26V
VIOUT at 100µA, 8V < VDD< 26V
1.0
µA
0.1
V
0.1
V
Input Bias Current
Detection Threshold, Falling
Detection Threshold Hysteresis
Input Operating Range
8V < VDD< 26
-50
ACPEAK = 100mV, 8V < VDD< 26V
4.5
8V < VDD< 26V
8V < VDD< 26V
0
50
nA
20
40.5
mV
6
mV
4.00
V
9
FN7981.2
March 20, 2013
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