位置:98ASB42420B > 98ASB42420B详情
98ASB42420B中文资料
98ASB42420B数据手册规格书PDF详情
The UC3842B, UC3843B series are high performance fixed
frequency current mode controllers. They are specifically designed for
Off−Line and DC−DC converter applications offering the designer
a cost−effective solution with minimal external components. These
integrated circuits feature a trimmed oscillator for precise duty cycle
control, a temperature compensated reference, high gain error
amplifier, current sensing comparator, and a high current totem pole
output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and
reference undervoltage lockouts each with hysteresis, cycle−by−cycle
current limiting, programmable output deadtime, and a latch for single
pulse metering.
These devices are available in an 8−pin dual−in−line and surface
mount (SOIC−8) plastic package as well as the 14−pin plastic surface
mount (SOIC−14). The SOIC−14 package has separate power and
ground pins for the totem pole output stage.
The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off),
ideally suited for off−line converters. The UCX843B is tailored for
lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).
Features
• Trimmed Oscillator for Precise Frequency Control
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle−By−Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• This is a Pb−Free and Halide−Free Device
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
MARVELL |
23+ |
BGA |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
|||
MARVELL(迈威) |
25+ |
封装 |
500000 |
源自原厂成本,高价回收工厂呆滞 |
|||
MARVELL |
24+ |
BGA |
5000 |
全现原装公司现货 |
|||
MARVELL |
25+23+ |
BGA |
21839 |
绝对原装正品全新进口深圳现货 |
|||
MARVELL |
23+ |
NA |
19 |
原装正品代理渠道价格优势 |
|||
MARVELL |
25+ |
65248 |
百分百原装现货 实单必成 |
||||
MARVELL |
20+ |
BGA |
11520 |
特价全新原装公司现货 |
|||
MARVELL |
BGA |
22+ |
6000 |
十年配单,只做原装 |
|||
MARVELL |
20+ |
BGA |
19570 |
原装优势主营型号-可开原型号增税票 |
|||
MARVELL |
16+ |
BGA |
5 |
原装/现货 |
98ASB42420B 资料下载更多...
98ASB42420B 芯片相关型号
- 892-090-521-204
- 98AON66071E
- 98ASB42420B
- MSP5C-13F-0R
- MSP5C-141-0R
- MSP5C-146-0R
- MSP5C-148-0R
- MSP5C-14D-0R
- MSP5C-14E-0R
- MSP5C-14F-0R
- MSP5C-171-0R
- MSP5C-176-0R
- MSP5C-178-0R
- MSP5C-17D-0R
- MSP5C-17E-0R
- MSP5C-17F-0R
- RFX-21-25.0M50IYS
- RFX-21-27.0M50IY
- RFX-21-27.0M50IY10
- RFX-21-27.0M50IY20
- RFX-21-27.0M50IY30
- RFX-21-27.0M50IYS
- RFX-21-30.0M50IY
- RFX-21-30.0M50IY10
- RFX-21-30.0M50IY20
- RFX-21-30.0M50IY30
- RFX-21-30.0M50IYS
- RFX-21-32.0M50IY
ONSEMI相关芯片制造商
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