參數(shù)資料
型號: UCC38517
廠商: Texas Instruments, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: ADVANCED PFC/PWM COMBINA CONTROLLERS
中文描述: 高級式PFC /脈寬調(diào)制COMBINA控制器
文件頁數(shù): 4/39頁
文件大?。?/td> 725K
代理商: UCC38517
SLUS517B DECEMBER 2002 REVISED AUGUST 2004
4
www.ti.com
ELECTRICAL CHARACTERISTICS
T
A
= –40
°
C to 105
°
C for the UCC2851x, T
A
= T
J
, VCC = 12 V, R
T
= 156 k
,
R
CT_BUFF
= 10 k
(unless otherwise noted)
supply current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
μ
A
mA
Supply current, off
VCC turn-on threshold 300 mV
100
150
Supply current, on
no load on GT1 or GT2
4
6
undervoltage lockout (UVLO)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC turn-on threshold
UCC28510
UCC28512
UCC28514
UCC28516
15.4
16
16.6
UCC28511
UCC28513
UCC28515
UCC28517
9.7
10.2
10.8
VCC turn-off threshold
UCC2851X
9.1
9.7
10.6
V
UVLO hysteresis
UCC28510
UCC28512
UCC28514
UCC28516
5.8
6.3
6.8
UCC28511
UCC28513
UCC28515
UCC28517
0.3
0.5
0.8
voltage amplifier
PARAMETER
TEST CONDITIONS
MIN
7.39
TYP
7.50
MAX
7.61
UNITS
Input voltage
25
°
C
Over temperature
V
7.35
7.50
7.65
VSENSE bias current
Open loop gain
VSENSE = VREF
2 V
VAOUT
4 V
ILOAD = –150
μ
A
ILOAD = 150
μ
A
IVAOUT = 20
μ
A to 20
μ
A
100
300
nA
50
60
dB
High-level output voltage
5.3
5.5
5.6
V
Low-level output voltage
0.00
0.05
0.15
gM conductance
Maximum source current
70
100
130
μ
S
1
3.5
mA
Maximum sink current
1
3.5
PFC stage overvoltage protection and enable
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Overvoltage reference window
VREF
+ 0.440
VREF
+ 0.490
VREF
+ 0.540
V
Hysteresis
300
500
600
mV
Enable threshold
1.7
1.9
2.1
V
Enable hysteresis
0.08
0.2
0.3
相關(guān)PDF資料
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