参数资料
型号: LTC3723EGN-2
厂商: Linear Technology
文件页数: 7/20页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO VM 16SSOP
标准包装: 100
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1MHz
占空比: 50%
电源电压: 10V(最小值)
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
LTC3723-1/LTC3723-2
PI DESCRIPTIO S
(LTC3723-1/LTC3723-2)
SS (Pin 14/Pin 14): Soft-Start/Restart Delay Circuitry
Timing Capacitor. A capacitor from SS to GND provides a
controlled ramp of the current command (LTC3723-1) or
duty cycle (LTC3723-2). During overload conditions, SS is
discharged to ground initiating a soft-start cycle. SS
charging current is approximately 13 μ A. SS will charge up
to approximately 5V in normal operation. During a con-
stant overload current fault, SS will oscillate at a low
frequency between approximately 0.5V and 4V.
UVLO (Pin 15/Pin 15): Input to Program System Turn-On
and Turn-Off Voltages. The nominal threshold of the UVLO
comparator is 5.0V. UVLO is connected to the main DC
system feed through a resistor divider. When the UVLO
TI I G DIAGRA
PROGRAMMABLE
SYNCHRONOUS
TURN-OFF DELAY
DRVA
DRVB
SDRA
SDRB
CURRENT
SENSE
OR C T RAMP
PWM
COMPARATOR
threshold is exceeded, the LTC3723-1/LTC3723-2 com-
mences a soft-start cycle and a 10 μ A (nominal) current is
fed out of UVLO to program the desired amount of system
hysteresis. The hysteresis level can be adjusted by chang-
ing the resistance of the divider. UVLO can also be used to
terminate all switching by pulling UVLO down to less than
4V. An open drain or collector switch can perform this
function without changing the system turn on or turn off
voltages.
SPRG (Pin 16/Pin 16): A resistor is connected between
SPRG and GND to set the turn off delay for the synchro-
nous rectifier driver outputs. The nominal voltage on
SPRG is 2V.
PROGRAMMABLE
DEAD-TIME
372312 TD01
(–)
372312f
7
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相关代理商/技术参数
参数描述
LTC3723EGN-2#PBF 功能描述:IC REG CTRLR FLYBK ISO VM 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3723EGN-2#TR 功能描述:IC REG CTRLR FLYBK ISO VM 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3723EGN-2#TRPBF 功能描述:IC REG CTRLR FLYBK ISO VM 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3725EMSE#PBF 功能描述:IC SECONDARY SIDE CTRLR 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器,监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(5x5) 包装:带卷 (TR)
LTC3725EMSE#TRPBF 功能描述:IC SECONDARY SIDE CTRLR 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器,监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(5x5) 包装:带卷 (TR)