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UCC28516DW Datasheet(PDF) 6 Page - Texas Instruments

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Part # UCC28516DW
Description  ADVANCED PFC/PWM COMBINATION CONTROLLERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28516DW Datasheet(HTML) 6 Page - Texas Instruments

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UCC28510, UCC28511, UCC28512, UCC28513,
UCC28514, UCC28515, UCC28516, UCC28517
SLUS517B − DECEMBER 2002 − REVISED AUGUST 2004
6
www.ti.com
ELECTRICAL CHARACTERISTICS
TA = –40°C to 105°C for the UCC2851x, TA = TJ, VCC = 12 V, RT = 156 kΩ, RCT_BUFF = 10 kΩ
(unless otherwise noted)
zero power
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Zero power comparator threshold
Measured on VAOUT,
falling edge
0.20
0.33
0.50
V
Zero power comparator hysteresis
Measured on VAOUT,
rising edge
40
90
140
mV
PFC gate driver
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
GT1 pull-up resistance
−100 mA
≤ ∆IOUT ≤ −200 mA
5
12
GT1 pull-down resistance
IOUT = 100 mA
2
10
GT1 output rise time
CLOAD = 1 nF,
RLOAD = 10 Ω
16
25
ns
GT1 output fall time
CLOAD = 1 nF,
RLOAD = 10 Ω
7
15
ns
Maximum duty cycle
93%
95%
100%
Minimum controllable pulse width
120
150
200
ns
PWM stage undervoltage lockout (UVLO2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PWM turn-on reference
UCC2851X
6.30
6.75
7.30
PWM turn-off threshold
UCC28510
UCC28511
UCC28514
UCC28515
5.3
PWM turn-off threshold
UCC28512
UCC28513
UCC28516
UCC28517
3.55
V
Hysteresis
UCC28510
UCC28511
UCC28514
UCC28515
1.16
1.45
1.74
V
Hysteresis
UCC28512
UCC28513
UCC28516
UCC28517
2.56
3.20
3.84
PWM stage soft-start
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SS2 charge current
VSENSE = 7.5 V,
SS2 = 0 V
–7.0
–10.5
–14.0
µA
SS2 discharge current
VSENSE = 2.5 V,
SS2 = 2.5 V,
(UVLO2 = Low, ENABLE = High)
6
10
14
mA
Input voltage (VERR)
IVERR = 2 mA,UVLO2 = Low
300
mV
PWM stage duty cycle clamp
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Maximum duty cycle
D_MAX = 4.15 V
70%
75%
80%
PWM stage pulse-by-pulse current sense
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Current sense comparator offset voltage
ISENSE2 = 0 V,
measured on VERR
1.35
1.50
1.65
V
1. Ensured by design. Not 100% tested in production.


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