ISL6731A Datasheet, PDF (8/20 Pages) Intersil Corporation – Power Factor Correction Controllers

ISL6731A, ISL6731B
Electrical Specifications Operating Conditions: V_CC = 15V, T_A = +25°C. Boldface limits apply across the operating temperature range,
-40°C to +125°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 8) TYP (Note 8) UNITS
GATE DRIVER
Gate Drive Pull-Down Resistance
Gate Drive Pull-Up Voltage Drop
Gate Drive Max. Sourcing/Sinking
Current
V_CC = 15V, I_GATE = 15mA
V_CC = 9V, I_GATE = 15mA
2.33 4.46
Ω
0.15 0.3 0.45
V
1.5
A
Rise Time
Fall Time
Gate Clamp Voltage
VOLTAGE REFERENCE
C_O = 2.2nF, V_CC = 15V, gate voltage rise time from 10% to
90% of V_GC
34
62
ns
C_O = 2.2nF, V_CC = 15V, gate voltage fall time from 10% to
90% of V_GC
34
57
ns
V_GC
10.5 12 13.5
V
Reference Voltage
Feedback Pin Pull-Down Current
Rising Threshold to Enable Converter
V_REF
I_FB
FB_EN
2.48 2.5 2.52
V
65
nA
280 300 320 mV
Falling Threshold to Disable Converter FB_DIS
190 202 214 mV
Enable Hysteresis
FB_Hys
100
mV
VOLTAGE ERROR AMPLIFIER
Error Amp Transconductance
Gmv
50
77
104 µA/V
ISource/Sink
13
µA
COMP Offset Voltage
COMP Soft-Start Enable Voltage
INPUT VOLTAGE SENSING
V_{COMP_OFF}
V_{COMP_EN}
0.95 1.01 1.07
V
0.58 0.64 0.75
V
VIN Leakage Current
9
nA
MULTIPLIER GAIN
GMUL
CURRENT ERROR AMPLIFIER
COMP = 2.5V, V_IN = 1.0V, BO = 1.0V, I_SEN = 50µA
0.196 0.25 0.296 V/V
Current DC Gain
Error Amp Transconductance
ICOMP Source/Sink Current (Note 7)
A_IDC
Gmi
I_ICOMP/I_ISEN
I_ICOMP = ±20µA
1.6
1.9
2.2
A/A
205 268 331 µA/V
60
µA
Current Sensing Input Offset
-3
2
7
mV
LIGHT LOAD EFFICIENCY ENHANCEMENT AND OVERPOWER PROTECTION
Skip Current Reference (Note 7)
Skip Falling Threshold
Skip Rasing Threshold
COMP Upper Limit
COMP Valid Range
FB Exit Threshold Voltage
ISEN Exit Threshold Current
I_SKIP
V_{SKIP_THf}
V_{SKIP_THr}
V_CUL
V_CUL-1V
V_{FB_EXIT}
I_{SEN_EXIT}
V_SKIP = 2V
Fraction of V_REF, I_ISEN = 0µA
V_FB = 2.5V
-23
-20
-17
µA
450 498 550 mV
570 616 690 mV
3.53 3.85 4.17
V
2.5 2.83 3.16
V
87
88
89
%
-38
-29
-20
µA
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8
FN8582.1
February 13, 2015