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参数资料
| 型号： | LT3506AIDHD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.6A DL 16DFN |
| 标准包装： | 73 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 22 V |
| 输入电压： | 3.6 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.1MHz |
| 电流 - 输出： | 1.6A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-DFN（5x4） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
LT3506/LT3506A
TYPICAL PERFORMANCE CHARACTERISTICS
RUN/SS Thresholds
Frequency vs Temperature
I RUN/SS vs Temperature
vs Temperature
700
1.20
3.0
2.5
1.4
1.2
650
LT3506A
1.15
2.0
1.0
0.8
TO SWITCH
600
1.10
1.5
0.6
550
L T3506
1.05
1.0
0.4
TO RUN
0.5
0.2
500
–50 –25
0 25 50
75
100
1.00
125
0
–50
–25
0 25 50
75
100
125
0
–50 –25
0
25
50
75
100
125
TEMPERATURE (°C)
PIN FUNCTIONS
3506 G10
TEMPERATURE (°C)
3506 G12
TEMPERATURE (°C)
3506 G13
BOOST1 (Pin 1), BOOST2 (Pin 8): The BOOST pins are
used to provide drive voltages, higher than the input
voltage, to the internal bipolar NPN power switches. Tie
through a diode from V OUT or from V IN .
SW1 (Pin 2), SW2 (Pin 7): The SW pins are the outputs
of the internal power switches. Connect these pins to the
inductors, catch diodes and boost capacitors.
V IN1 (Pins 3, 4): The V IN1 pins supply current to the LT3506’s
internal regulator and to the internal power switch con-
nected to SW1. These pins must be locally bypassed.
V IN2 (Pins 5, 6): The V IN2 pins supply current to the inter-
nal power switch connected to SW2 and must be locally
bypassed. Connect these pins directly to V IN1 unless power
for channel 2 is coming from a different source.
RUN/SS1 (Pin 13), RUN/SS2 (Pin 12): The RUN/SS pins
are used to shut down the individual switching regula-
tors and the internal bias circuits. They also provide a
soft-start function. To shut down either regulator, pull the
RUN/SS pin to ground with an open drain or collector.
Tie a capacitor from these pins to ground to limit switch
current during start-up. If neither feature is used, leave
these pins unconnected.
PG1 (Pin 14), PG2 (Pin 11): The Power Good pins are
the open collector outputs of an internal comparator. PG
remains low until the FB pin is within 10% of the ?nal
regulation voltage. As well as indicating output regulation,
the PG pins can be used to sequence the two switching
regulators. These pins can be left unconnected. The PG
outputs are valid when V IN is greater than 3.4V and either
of the RUN/SS pins is high. The PG comparators are
disabled in shutdown.
V C1 (Pin 15), V C2 (Pin 10): The V C pins are the outputs of
the internal error amps. The voltages on these pins control
the peak switch currents. These pins are normally used
to compensate the control loops, but can also be used to
override the loops. Pull these pins to ground with an open
drain to shut down each switching regulator.
FB1 (Pin 16), FB2 (Pin 9): The LT3506 regulates each
feedback pin to 800mV. Connect the feedback resistor
divider taps to these pins.
Exposed Pad (Pin 17): The Exposed Pad of the package
provides both electrical contact to ground and good thermal
contact to the printed circuit board. The Exposed Pad must
be soldered to the circuit board for proper operation.
3506afc
5
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相关代理商/技术参数 |
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| LT3506AIDHD-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator |
| LT3506AIDHD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator |
| LT3506AIFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator |
| LT3506AIFE#PBF | 功能描述:IC REG BUCK ADJ 1.6A DL 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT3506AIFE#TRPBF | 功能描述:IC REG BUCK ADJ 1.6A DL 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
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