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参数资料
| 型号： | LTC3803HS6-3#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 1 MM HEIGHT, LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件页数： | 13/16页 |
| 文件大小： | 170K |
| 代理商： | LTC3803HS6-3#PBF |
LTC3803-3
6
38033fd
PIN FUNCTIONS
BLOCK DIAGRAM
ITH/RUN (Pin 1): This pin performs two functions. It
serves as the error amplier compensation point as well
as the run/shutdown control input. Nominal voltage range
is 0.7V to 1.9V. Forcing this pin below the shutdown
threshold (VITHSHDN) causes the LTC3803-3 to shut down.
In shutdown mode, the NGATE pin is held low.
GND (Pin 2): Ground Pin.
VFB (Pin 3): Receives the feedback voltage from an external
resistive divider across the output.
SENSE (Pin 4): This pin performs two functions. It monitors
switch current by reading the voltage across an external
current sense resistor to ground. It also injects a current
ramp that develops slope compensation voltage across
an optional external programming resistor.
VCC (Pin 5): Supply Pin. Must be closely decoupled to
GND (Pin 2).
NGATE (Pin 6): Gate Drive for the External N-Channel
MOSFET. This pin swings from 0V to VCC.
–
+
–
+
SLOPE
COMP
CURRENT
RAMP
VCC
GATE
DRIVER NGATE
4
SENSE
38033 BD
300kHz
OSCILLATOR
UNDERVOLTAGE
LOCKOUT
Q
R
CURRENT
COMPARATOR
SHUTDOWN
COMPARATOR
SHUTDOWN
S
20mV
ITH/RUN
ERROR
AMPLIFIER
VFB
SOFT-
START
CLAMP
VCC
SHUNT
REGULATOR
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
6
0.28V
VCC < VTURNON
0.3μA
VCC
–
+
5
3
GND
1.2V
2
1
800mV
REFERENCE
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3803HS6#PBF | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3803HS6#TRM | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3803MPS6#TR | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3803HS6#TR | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3803MPS6#PBF | 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO6 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3803HS6-5#PBF | 制造商:Linear Technology 功能描述:Bulk |
| LTC3803HS6-5#TRMPBF | 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 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:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 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:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LTC3803HS6-5#TRMPBF | 制造商:Linear Technology 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 |
| LTC3803HS6-5#TRPBF | 功能描述:IC REG CTRLR FLYBK PWM TSOT23-6 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:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 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:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LTC3803IS6 | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Flyback Controller 9.2V to 75V Input 6-Pin TSOT-23 |
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