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参数资料
| 型号： | LTC1436AIGN-PLL |
| 厂商： | Linear Technology |
| 文件页数： | 8/28页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 24-SSOP |
| 标准包装： | 55 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 138kHz |
| 占空比： | 99% |
| 电源电压： | 3.5 V ~ 30 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 ~ 85°C |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
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LTC1436A
LTC1436-PLL-A/LTC1437A
PI N FU N CTIO N S
Forcing this pin below 1.3V causes the device to be shut
down. In shutdown all functions are disabled.
TGL: High Current Gate Drive for Main Top N-Channel
MOSFET. This is the output of a floating driver with a
voltage swing equal to INTV CC superimposed on the
switch node voltage SW.
TGS: High Current Gate Drive for a Small Top N-Channel
MOSFET. This is the output of a floating driver with a
voltage swing equal to INTV CC superimposed on the
switch node voltage SW. Leaving TGS open invokes Burst
Mode operation at low load currents.
BG: High Current Gate Drive for Bottom N-Channel
MOSFET. Voltage swing at this pin is from ground to
INTV CC (DRV CC ).
SFB: Secondary Winding Feedback Input. Normally
connected to a feedback resistive divider from the
secondary winding. This pin should be tied to: ground to
force continuous operation; INTV CC in applications that
don’t use a secondary winding; and a resistive divider from
the output in applications using a secondary winding.
POR : Open Drain Output of an N-Channel Pull-Down. This
pin sinks current when the output voltage is 7.5% out of
regulation and releases 65536 oscillator cycles after the
output voltage rises to – 5% of its regulated value. The
POR output is asserted when Run/SS is low independent
of V OUT .
LBO: Open Drain Output of an N-Channel Pull-Down. This
pin will sink current when the LBI pin goes below 1.19V.
LBI: The (+) Input of the Low Battery Voltage Comparator.
The (–) input is connected to a 1.19V reference.
PLLIN: External Synchronizing Input to Phase Detector.
This pin is internally terminated to SGND with 50k ? . Tie
this pin to SGND in applications which do not use the
phase-locked loop.
PLL LPF: Output of Phase Detector and Control Input of
Oscillator. Normally a series RC lowpass filter network is
connected from this pin to ground. Tie this pin to SGND in
applications which do not use the phase-locked loop. Can
be driven by 0V to 2.4V logic signal for a frequency shifting
option.
AUXFB: Feedback Input to the Auxiliary Regulator/
Comparator. When used as a linear regulator, this input
can either be connected to an external resistive divider or
directly to the collector of the external PNP pass device for
12V operation. When used as a comparator, this is the
noninverting input of a comparator whose inverting input
is tied to the internal 1.19V reference. See Auxiliary
Regulator/Comparator in Applications Information section.
AUXON: Pulling this pin high turns on the auxiliary regulator/
comparator. The threshold is 1.19V.
AUXDR: Open Drain Output of the Auxiliary Regulator/
Comparator. The base of an external PNP device is
connected to this pin for use as a linear regulator. An
external pull-up resistor is required for use as a comparator.
A voltage > 9.5V on AUXDR causes the internal 12V
resistive divider to be connected to AUXFB.
14367afb
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1436AIGN-PLL#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-SSOP 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 |
| LTC1436AIGN-PLL#TR | 功能描述:IC REG CTRLR BUCK PWM CM 24-SSOP 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 |
| LTC1436AIGN-PLL#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-SSOP 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 |
| LTC1436CGN | 功能描述:IC REG CTRLR BUCK PWM CM 24-SSOP 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 |
| LTC1436CGN#PBF | 制造商:Linear Technology 功能描述:Step-Down Switching Regulators |
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