参数资料
型号: UCC28250PWR
厂商: Texas Instruments
文件页数: 28/53页
文件大小: 0K
描述: IC REG CTRLR PWM CM/VM 20-TSSOP
标准包装: 2,000
PWM 型: 电流/电压模式
输出数: 1
频率 - 最大: 1MHz
占空比: 100%
电源电压: 4.7 V ~ 17 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
SLUSA29C – APRIL 2010 – REVISED JULY 2011
TYPICAL CHARACTERISTICS (continued)
CURRENT LIMIT SHUTDOWN DELAY TIMER AND HICCUP
PROPAGATION DELAY/LEADING EDGE BLANKING
vs
TEMPERATURE
90
0.7
0.6
RESTART
vs
TEMPERATURE
70
T BLANK
V HICC_SD
0.5
50
0.4
30
10
T PD_ILIM
0.3
0.2
V HICC_RST
-45
-15
15 45 75
T J - Temperature - °C
105
135
-45
-15
15 45 75
T J - Temperature - °C
105
135
3.305
Figure 28.
REFERENCE VOLTAGE
vs
TEMPERATURE
V DD = 12 V
I LOAD = 10 m A
3.306
3.302
Figure 29.
REFERENCE VOLTAGE
vs
TEMPERATURE
I LOAD = 1 mA
V DD = 7 V
3.295
3.285
I LOAD = 1 mA
I LOAD = 10 mA
3.298
V DD = 17 V
3.294
V DD = 12 V
3.275
3.290
-55
-35
-15
5
25
45
65
85
105
125
-55
-35
-15
5
25
45
65
85
105
125
T J - Temperature - °C
Figure 30.
T J - Temperature - °C
Figure 31.
28
Product Folder Link(s): UCC28250
Copyright ? 2010 – 2011, Texas Instruments Incorporated
相关PDF资料
PDF描述
ISC1812ES471K INDUCTOR WW 470UH 10% 1812
RBM30DRSH-S288 CONN EDGECARD 60POS .156 EXTEND
H2BXG-10102-N8-ND JUMPER-H1501TR/A3048N/X 2"
RBM30DRSD-S288 CONN EDGECARD 60POS .156 EXTEND
B41041A2158M 1500UF 6.3V 10X20 SINGLE END
相关代理商/技术参数
参数描述
UCC28250PWT 制造商:TI 制造商全称:Texas Instruments 功能描述:Advanced PWM Controller With Pre-Bias Operation
UCC28250RGPR 功能描述:电压模式 PWM 控制器 Adv PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC28250RGPT 功能描述:电压模式 PWM 控制器 Adv PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC28250RGPT 制造商:Texas Instruments 功能描述:PWM CONTROLLER IC 17V QFN-20 制造商:Texas Instruments 功能描述:IC, PWM CONTROLLER, 17V, QFN-20
UCC28251 制造商:TI 制造商全称:Texas Instruments 功能描述:Advanced PWM Controller With Pre-Bias Operation