參數(shù)資料
型號(hào)： LTC1696
廠商： Linear Technology Corporation
英文描述： Synchronous Dual Mode Phase Modulated Full Bridge Controllers
中文描述： 同步相位調(diào)制的雙模式全橋控制器
文件頁(yè)數(shù)： 10/28頁(yè)
文件大小： 319K
代理商： LTC1696
LTC3722-1/LTC3722-2
10
372212i
OPERATIOU
Phase Shift Full-Bridge PWM
Conventional full-bridge switching power supply topolo-
gies are often employed for high power, isolated DC/DC
and off-line converters. Although they require two addi-
tional switching elements, substantially greater power and
higher efficiency can be attained for a given transformer
size compared to the more common single-ended forward
and flyback converters. These improvements are realized
since the full-bridge converter delivers power during both
parts of the switching cycle, reducing transformer core
loss and lowering voltage and current stresses. The full-
bridge converter also provides inherent automatic trans-
former flux reset and balancing due to its bidirectional
drive configuration. As a result, the maximum duty cycle
range is extended, further improving efficiency. Soft switch-
ing variations on the full-bridge topology have been pro-
posed to improve and extend its performance and applica-
tion. These zero voltage switching (ZVS) techniques ex-
TIW
W
COMP
COMP
SYNC TURN OFF
DELAY (PROGRAMMABLE)
SYNC TURN OFF
DELAY (PROGRAMMABLE)
PASSIVE LEG
DELAY
ACTIVE LEG
DELAY
OUTA
OUTB
OUTC
OUTD
RAMP
COMP
OUTE
OUTF
3722 TD
NOTE: SHADED AREAS CORRESPOND TO POWER DELIVERY PULSES.
ploit the generally undesirable parasitic elements present
within the power stage. The parasitic elements are utilized
to drive near lossless switching transitions for all of the
external power MOSFETs.
LTC3722-1/LTC3722-2 phase shift PWM controllers pro-
vide enhanced performance and simplify the design task
required for a ZVS phase shifted full-bridge converter. The
primary attributes of the LTC3722-1/LTC3722-2 as com-
pared to currently available solutions include:
1) Truly adaptive and accurate (DirectSense technology)
ZVS with programmable timeout.
Benefit: higher efficiency, higher duty cycle capability,
eliminates external trim.
2) Fixed ZVS capability.
Benefit: enables secondary side control and simplifies
external circuit.
相關(guān)PDF資料
PDF描述
LTC3722-2 Synchronous Dual Mode Phase Modulated Full Bridge Controllers
LTC3727 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC3727EG-1 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC3727EG RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC3727-1 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1696ES6#PBF 制造商:Linear Technology 功能描述:IC OVERVOLTAGE PROTECTION CTRL SOT23-6 制造商:Linear Technology 功能描述:MONITOR OV 27VIN +/-2% ADJ 6SOT23 制造商:Linear Technology 功能描述:MONITOR, OV, 27VIN, +/-2%, ADJ, 6SOT23 制造商:Linear Technology 功能描述:IC, OVERVOLTAGE PROTECTION CTRL, SOT23-6; Input Voltage:17V; Output Voltage:6.3V; Supply Voltage Min:2.7V; Supply Voltage Max:27V; No. of Pins:6; No. of Outputs:1; Operating Temperature Min:-40C; Operating Temperature Max:85C ;RoHS Compliant: Yes
LTC1696ES6#TR 功能描述:IC OVERVOLT PROT CTRLR SOT23-6 RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
LTC1696ES6#TRM 功能描述:IC OVERVOLT PROT CTRLR SOT23-6 RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
LTC1696ES6#TRMPBF 功能描述:IC OVERVOLT PROT CTRLR SOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
LTC1696ES6#TRMPBF 制造商:Linear Technology 功能描述:Controller IC 制造商:Linear Technology 功能描述:IC, OVERVOLTAGE PROTECTION CTRL, SOT23-6
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