参数资料
型号: RDK-91
厂商: Power Integrations
文件页数: 33/35页
文件大小: 0K
描述: KIT DESIGN REF TINYSWITCH-III
标准包装: 1
系列: TinySwitch®-III
主要目的: AC/DC,主面
输出及类型: 1,非隔离
功率 - 输出: 12W
输出电压: 12V
电流 - 输出: 1A
输入电压: 85 ~ 265VAC
稳压器拓扑结构: 回扫
板类型: 完全填充
已供物品: 装有元件的板,裸板,样品 IC
已用 IC / 零件: TNY274,TNY275,TNY276,TNY277,TNY278,TNY279,TNY280
产品目录页面: 1202 (CN2011-ZH PDF)
相关产品: 732-2250-ND - TRANS OFF LINE POWER PI TNY278
596-1115-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1114-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1113-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1112-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1111-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1109-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD
596-1260-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP
596-1259-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP
596-1258-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP
更多...
其它名称: 596-1194
11-Feb-13
RDR-91 12 V, 1 A, Universal Input Supply
17 OVP Operation Verification
While the RD-91 is in normal operation, monitor the output with a storage oscilloscope.
To cause an overvoltage condition to occur, short-circuit the optocoupler LED (as shown
below) to open the feedback control loop. The oscilloscope will capture the output voltage
rising until the increasing voltage across VR2 causes it to conduct, and the TNY278PG
device latches off. To reset the OVP latch, the AC input power must be removed long
enough to allow the input bulk capacitors to fully discharge.
Short these points to
test OVP functionality
Figure 33 – Point on PCB to Apply Short-Circuit to Trigger OV Shutdown.
Power Integrations
Page 33 of 35
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
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