The UCC28019 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM)

UCC28019

Manufacturer Part NumberUCC28019
DescriptionThe UCC28019 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM)
ManufacturerTexas Instruments
UCC28019 datasheet
 


Specifications of UCC28019

Uvlo Thresholds On/off(v)10.5/9.5Operating Supply(max)(v)22
Startup Current(ma)0.1Operating Supply Current(ma)7
Vref(v)5Vref Tol(%)2
Duty Cycle(max)(%)99.3Practical Operating Frequency(max)(mhz)0.65
Pin/package8PDIP, 8SOIC  
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ELECTRICAL CHARACTERISTICS
Unless otherwise noted, VCC = 15 V
DC
GND. Currents are positive into and negative out of the specified terminal.
PARAMETER
VCC Bias Supply
I
Pre-start current
VCC(start)
I
Standby current
VCC(stby)
I
Operating current
VCC(on_load)
Under Voltage Lockout (UVLO)
VCC
Turn on threshold
ON
VCC
Turn off threshold
OFF
UVLO
Hysteresis
Oscillator
f
Switching frequency,
SW
PWM
D
Minimum duty cycle
MIN
D
Maximum duty cycle
MAX
t
Minimum off time
OFF(min)
System Protection
ISENSE threshold, soft over current
V
SOC
(SOC) ,
ISENSE threshold, peak current Limit
V
PCL
(PCL) ,
VSENSE threshold, open loop
V
OLP
protection (OLP),
Open loop protection (OLP) internal
pull-down current
VSENSE threshold, output
V
UVD
under-voltage detection (UVD),
VSENSE threshold, output
V
OVP
over-voltage protection (OVP),
Input brown-out detection (IBOP)
VINS
BROWNOUT_th
high-to-low threshold
Input brown-out Detection (IBOP)
VINS
ENABLE_th
low-to-high threshold
I
VINS bias current
VINS_0 V
ICOMP threshold, external overload
protection
Copyright © 2007, Texas Instruments Incorporated
, 0.1 F from VCC to GND, -40 C ≤ T
J
TEST CONDITIONS
VCC = VCC
– 0.1 V
ON
VSENSE = 0.5 V
VSENSE = 4.5 V, C
= 4.7 nF
GATE
T
= 25 C
A
–40 C ≤ T
≤ 125 C
A
VCOMP = 0 V, VSENSE = 5 V,
ICOMP = 6.4 V
VSENSE = 4.95 V
VSENSE = 3 V, ICOMP = 1 V
ICOMP = 1 V, ISENSE = 0 V,
VCOMP = 1 V
VSENSE = 0.5 V
ISENSE = -0.2 V
VINS = 0 V
Product Folder Link(s):
UCC28019
UCC28019
SLUS755B – APRIL 2007 – REVISED DECEMBER 2007
= T
≤ 125 C. All voltages are with respect to
A
MIN
TYP
MAX
25
100
200
1.0
2.1
2.9
4
7
10
10.0
10.5
11.0
9
9.5
10
0.8
1.0
1.2
61.7
65.0
68.3
59
65
71
0%
94%
97%
99.3%
100
250
600
-0.66
-0.73
-0.79
-1.00
-1.08
-1.15
0.77
0.82
0.86
100
250
4.63
4.75
4.87
5.12
5.25
5.38
0.76
0.82
0.88
1.4
1.5
1.6
0
±0.1
0.6
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UNIT
A
mA
V
kHz
ns
V
nA
V
A
V
3