- 您现在的位置：买卖IC网 > PDF目录297642 > UCC38501DWTR (TEXAS INSTRUMENTS INC) 1.2 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO20 PDF资料下载
参数资料
| 型号： | UCC38501DWTR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.2 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 30/34页 |
| 文件大小： | 758K |
| 代理商： | UCC38501DWTR |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页当前第30页第31页第32页第33页第34页
UCC28500, UCC28501, UCC28502, UCC28503
UCC38500, UCC38501, UCC38502, UCC38503
SLUS419C AUGUST 1999 REVISED NOVEMBER 2001
5
www.ti.com
electrical characteristics TA = 0°C to 70°C for the UCC3850X, –40°C to 85°C for the UCC2850X,
TA = TJ, VCC = 12 V, RT = 22 k, CT = 330 pF (unless otherwise noted)
PFC gate driver
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
GT1 pull up resistance
IOUT from 100 mA to –200 mA
5
12
GT1 pull down resistance
IOUT = 100 mA
2
10
GT1 output rise time
CLOAD = 1 nF,
RLOAD = 10
VGT1 from 0.7 V to 9.0 V
25
50
ns
GT1 output fall time
CLOAD = 1 nF,
RLOAD = 10
VGT1 from 9.0 V to 0.7 V
10
50
ns
Maximum duty cycle
93%
95%
100%
Minimum controlled duty cycle
f = 100 kHZ
2%
second stage undervoltage lockout (UVLO2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PWM turn-on reference (UCCx8500/501)
6.30
6.75
7.30
V
Hysteresis (UCCx8500/501)
0.96
1.20
1.44
V
PWM turnon reference (UCCx8502/503)
6.30
6.75
7.30
V
Hysteresis (UCCx8502/503)
2.4
3
3.6
V
second stage soft-start
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SS2 charge current
–7.3
–10
–12.5
A
Input voltage (VERR)
IVERR = 2 mA,UVLO = Low
300
mV
SS2 discharge current
ENBL = High, UVLO = Low, SS2 = 2.5 V
3
10
mA
second stage duty cycle clamp
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Maximum duty cycle
44%
50%
second stage pulse-by-pulse current sense
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Current sense comparator threshold
VERR = 2.5 V measured on ISENSE2
0.94
1.05
1.15
V
second stage overcurrent limit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Peak current comparator threshold
1.15
1.30
1.45
V
Input bias current
50
nA
second stage gate driver
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
GT2 pull up resistance
IOUT from 100 mA to –200 mA
5
12
GT2 pull down resistance
IOUT = 100 mA
3
10
GT2 output rise time
CLOAD = 1 nF,RLOAD = 10
VGT2 from 0.7 V to 9.0 V
25
50
ns
GT2 output fall time
CLOAD = 1 nF,RLOAD = 10
VGT2 from 9.0 V to 0.7 V
25
50
ns
NOTES:
1. Ensured by design. Not production tested.
2. See Figure 6 for reference variation.
3. See Figure 5 for reference variation for VCC < 10.8 V .
相关PDF资料 |
PDF描述 |
|---|---|
| UCH-1.8/40-D48N-Y | 1-OUTPUT 72 W DC-DC REG PWR SUPPLY MODULE |
| UF5400-GT3 | 3 A, 50 V, SILICON, RECTIFIER DIODE, DO-201AD |
| UF5408-GT3 | 3 A, 1000 V, SILICON, RECTIFIER DIODE, DO-201AD |
| UF5404-T3 | 3 A, 400 V, SILICON, RECTIFIER DIODE, DO-201AD |
| UF5407-E3 | 3 A, 800 V, SILICON, RECTIFIER DIODE, DO-201AD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| UCC38501DWTRG4 | 功能描述:功率因数校正 IC BiCMOS PFC/PWM Comb Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| UCC38501N | 功能描述:功率因数校正 IC BiCMOS PFC/PWM Comb Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| UCC38501NG4 | 功能描述:功率因数校正 IC BiCMOS PFC/PWM Combo Cntrlr RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| UCC38502 | 制造商:TI 制造商全称:Texas Instruments 功能描述:BICMOS PFC/PWM COMBINATION CONTROLLER |
| UCC38502DW | 功能描述:功率因数校正 IC BiCMOS PFC/PWM Comb Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。