参数资料
型号: UCC38050PE4
厂商: Texas Instruments
文件页数: 4/32页
文件大小: 0K
描述: IC PFC CTRLR TRANSITION 8DIP
标准包装: 50
模式: 间歇(跃迁)
频率 - 开关: 200kHz
电流 - 启动: 75µA
电源电压: 15.4 V ~ 18 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
配用: 296-19044-ND - EVAL MODULE FOR UCC38050
296-19036-ND - EVAL MODULE FOR UCC28051
UCC28050, UCC28051
UCC38050, UCC38051
SLUS515F?SEPTEMBER 2002 ? REVISED MARCH 2009
ELECTRICAL CHARACTERISTICS
T A = 0 _ C to 70 _ C for the UCC3805x, –40 _ C to 105 _ C for the UCC2805x, T A = T J , V CC = 12 V.
supply
PARAMETER
V CC operating voltage
Shunt voltage
Supply current, off
Supply current, disabled
TEST CONDITIONS
I VCC = 25 mA
V CC = V CC turn?on threshold –300 mV
VO_SNS = 0.5 V
MIN
18
TYP
19
75
2
MAX
18
20
125
4
UNITS
V
μ A
Supply current, on
Supply current, dynamic operating
75 kHz,
75 kHz,
C L = 0 nF
C L = 1 nF
4
5
6
7
mA
UVLO
PARAMETER
V CC turn-on threshold
V CC turn-off threshold
UVLO hysteresis
UCCx8050
UCCx8051
UCCx8050
UCCx8051
TEST CONDITIONS
MIN
15.4
12.0
9.4
5.8
2.3
TYP
15.8
12.5
9.7
6.3
2.8
MAX
16.4
13.0
10.0
6.8
3.3
UNITS
V
voltage amplifier (VO_SNS)
PARAMETER
Input voltage (V REF )
UCC3805x
UCC2805x
TEST CONDITIONS
MIN
2.46
2.45
TYP
2.50
2.50
MAX
2.54
2.55
UNITS
V
Input bias current
0.5
μ A
V COMP high
V COMP low
VO_SNS = 2.1 V
VO_SNS = 2.55 V
4.5
1.80
5.5
2.45
V
g M
T J = 25 _ C,
V COMP = 3.5 V
60
90
130
μ S
Source current
Sink current
UCCx8050
UCCx8051
VO_SNS = 2.1 V,
VO_SNS = 2.1 V,
VO_SNS = 2.7 V
V COMP = 3.5 V
V COMP = 2.5 V
V COMP = 3.5 V
?0.2
?200
0.2
?1.0
?300
1.0
?400
mA
μ A
mA
over voltage protection / enable
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Overvoltage reference
UCCx8050
UCCx8051
VREF + VREF + VREF +
0.165 0.190 0.210
VREF + VREF + VREF +
0.150 0.180 0.210
V
Hysteresis
Enable threshold
Enable hysteresis
UCCx8050
UCCx8051
UCCx8050
UCCx8051
175
150
0.62
0.18
0.05
200
180
0.67
0.23
0.10
225
210
0.72
0.28
0.20
mV
V
V
V
multiplier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Multiplier gain constant (k)
V MULTIN = 0.5 V,
COMP = 3.5 V
0.43
0.65
0.87
1/V
Dynamic input range, V MULTIN INPUT
Dynamic input range, COMP INPUT
0 to 2.5
2.5 to 3.8
0 to 3.5
2.5 to 4.0
V
V
Input bias current, MULTIN
4
www.ti.com
0.1
1.0
μ A
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