參數(shù)資料
型號: T2117-3ASY
廠商: ATMEL CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDIP8
封裝: LEAD FREE, DIP-8
文件頁數(shù): 10/16頁
文件大小: 256K
代理商: T2117-3ASY
3
4768B–INDCO–10/05
T2117
3.
General Description
The integrated circuit T2117 is a triac controller for zero-crossing mode. It is designed to control
power in switching resistive loads of mains supplies.
Information regarding synchronous supply is provided at pin 8 via resistor R
Sync. To avoid a DC
load on the mains, the full-wave logic guarantees that complete mains cycles are used for load
switching.
A fire pulse is released when the inverting input of the comparator is negative (pin 4) with
respect to the non-inverting input (pin 3) and internal reference voltage. A ramp generator with
freely selectable duration can be performed by capacitor C
2 at pin 2. The ramp function is used
for open-loop control (Figure 3-2), but also for applications with proportional band regulation
(Figure 10-3 on page 10). Ramp voltage available at capacitor C
2 is decoupled across the emit-
ter follower at pin 1. To maintain the lamp flicker specification, the ramp duration is adjusted
according to the controlling load. One can use internal reference voltage for simple applications.
In that case, pin 3 is inactive and connected to pin 7 (GND), see Figure 10-5 on page 12.
Figure 3-1.
Pin 1 Internal Network
Figure 3-2.
Threshold Voltage of the Ramp at V
S = -8.8 V
Ramp
control
1
C
2
T2117
-V
S
R
4
V
1
-1.6 V
-7.6 V
T
t
Final voltage
Initial voltage
V
max
V
min
相關(guān)PDF資料
PDF描述
T2117-3A SPECIALTY ANALOG CIRCUIT, PDIP8
T2117-TA SPECIALTY ANALOG CIRCUIT, PDSO8
T4225B-MW SPECIALTY CONSUMER CIRCUIT, UUC17
T4225B-MF SPECIALTY CONSUMER CIRCUIT, UUC17
T4225B-MC SPECIALTY CONSUMER CIRCUIT, UUC17
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T2117-TAQ 功能描述:IC SWITCH 0-VOLT ADJ RAMP 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關(guān) 系列:- 特色產(chǎn)品:XRP252 Switches 標(biāo)準(zhǔn)包裝:1 系列:- 類型:高端開關(guān) 輸出數(shù):2 Rds(開):140 毫歐 內(nèi)部開關(guān):是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN(3x3) 包裝:Digi-Reel® 其它名稱:1016-1691-6
T2117-TAQY 功能描述:電源開關(guān) IC - 配電 Zero Cross Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻(最大值):85 mOhms 開啟時間(最大值):400 us 關(guān)閉時間(最大值):20 us 工作電源電壓:3.2 V to 6.5 V 電源電流(最大值): 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
T2117-TAS 功能描述:IC SWITCH 0-VOLT ADJ RAMP 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關(guān) 系列:- 特色產(chǎn)品:XRP252 Switches 標(biāo)準(zhǔn)包裝:1 系列:- 類型:高端開關(guān) 輸出數(shù):2 Rds(開):140 毫歐 內(nèi)部開關(guān):是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN(3x3) 包裝:Digi-Reel® 其它名稱:1016-1691-6
T2117-TASY 功能描述:電源開關(guān) IC - 配電 Zero Cross Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻(最大值):85 mOhms 開啟時間(最大值):400 us 關(guān)閉時間(最大值):20 us 工作電源電壓:3.2 V to 6.5 V 電源電流(最大值): 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
T-2118-SP 制造商:Molex 功能描述: