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)： 26/28頁(yè)
文件大?。?/td> 319K
代理商： LTC1696
LTC3722-1/LTC3722-2
26
372212i
Figure 16. Isolated Drive Circuitry
Figure 17. High Side Gate Driver Circuitry
IN1
OUT1
IN2
OUT2
1:2
OUTE
OUTF
LTC3722
GND1
GND2
LTC1693-1
3722 F14
IN
OUT
OUTA
OR
OUTC
GND
1/2
LTC1693-1
3722 F15
V
CC
0.1
μ
F
2
μ
F
CER
0.1
μ
F
SIGNAL
TRANSFORMER
2k
BAT
54
BRIDGE
LEG
REGULATED
BIAS
POWER
MOSFET
V
IN
LTC3722
Full-Bridge Gate Drive
The full-bridge converter requires high current MOSFET
gate driver circuitry for two ground referenced switches
and two high side referred switches. Providing drive to the
ground referenced switches is not too difficult as long as
the traces from the gate driver chip or buffer to the gate and
source leads are short and direct. Drive requirements are
further eased since all of the switches turn on with zero
VDS, eliminating the “Miller” effect. Low turn-off resis-
tance is critical, however, in order to prevent excessive
turn-off losses resulting from the same Miller effects that
were not an issue for turn on. The LTC3722-1/LTC3722-2
does not require the propagation delays of the high and
low side drive circuits to be precisely matched as the
DirectSense ZVS circuitry will adapt accordingly. As a
result, LTC3722-1/LTC3722-2 can drive a simple NPN-
PNP buffer or a gate driver chip like the LTC1693-1 to
provide the low side gate drive. Providing drive to the high
side presents additional challenges since the MOSFET
gate must be driven above the input supply. A simple
circuit (Figure 17) using a single LTC1693-1, an inexpen-
sive signal transformer, and a few discrete components
provides both high side gate drives (A and C) reliably.
OPERATIOU
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(pán) 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(pán) 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(pán) 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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