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参数资料
| 型号： | SSL1750T/N1,518 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 8/29页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HI PWR AC IN 16-SOIC |
| 标准包装： | 2,500 |
| 拓扑： | 交直流离线开关，反激式，PFC |
| 输出数： | 2 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 通用 |
| 频率： | 100kHz ~ 150kHz |
| 电源电压： | 70 V ~ 276 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 带卷 (TR) |
| 工作温度： | -20°C ~ 150°C |
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NXP Semiconductors
I HV
SSL1750
SMPS control IC for LED drivers
V startup
V th(UVLO)
V CC
V trip
V start(VINSENSE)
VINSENSE
LATCH
PROTECTION
PFCSENSE
PFCDRIVER
soft start
soft start
V en(LATCH)
FBSENSE
FBDRIVER
V to(FBCTRL)
FBCTRL
V start(fb)
VOSENSE
V out
CHARGING VCC
STARTING
NORMAL
PROTECTION
RESTART
CAPACITOR
CONVERTERS OPERATION
014aaa060
Fig 5.
Start-up sequence, normal operation, and restart sequence
7.1.2 Supply management
All internal reference voltages are derived from a temperature compensated and trimmed
on-chip band gap circuit. Internal reference currents are derived from a temperature
compensated and trimmed on-chip current reference circuit.
7.1.3 Latch input
The pin LATCH is a general purpose input pin, which can be used to switch off both
converters. The pin sources a current, I O(LATCH) on the pin LATCH (typical 80 μ A).
Switching of both converters is stopped as soon as the voltage on this pin drops below
1.25 V.
At initial start-up switching is inhibited until the voltage on pin LATCH is above
1.35 V (typ). No internal ?ltering is done on this pin. An internal Zener clamp of 2.7 V (typ)
protects this pin from excessive voltages.
SSL1750_1
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 15 September 2008
8 of 29
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SSL1A12ND | 制造商:Schneider Electric 功能描述:SSR Slim 1 Chann, 2A@24-280VAC zero, 38-72VDC |
| SSL1D03BD | 制造商:Schneider Electric 功能描述:SSR Slim 1 Channel, 3.5A@1-24VDC, 15-30VDC |
| SSL1D03JD | 制造商:Schneider Electric 功能描述:SSR Slim 1 Channel, 3.5A@1-24VDC, 3-12VDC |
| SSL1D101BD | 制造商:Schneider Electric 功能描述:SSR Slim 1 Channel, 0.1A@1-48VDC, 16-30VDC |
| SSL1D101JD | 制造商:Schneider Electric 功能描述:SSR Slim 1 Channel, 0.1A@1-48VDC, 3-12VDC |
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