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参数资料
| 型号： | LT3436EFE |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 3A 16TSSOP |
| 标准包装： | 95 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.2 V ~ 34 V |
| 输入电压： | 3 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 800kHz |
| 电流 - 输出： | 3A |
| 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-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-TSSOP-EP |
LT3436
TYPICAL PERFOR A CE CHARACTERISTICS
SHDN Supply Current
Input Supply Current
Current Limit Foldback
300
250
T A = 25 ° C
V IN = 15V
1200
1000
T A = 25 ° C
4.0
3.5
T A = 25 ° C
SWITCH CURRENT
40
3.0
30
200
800
MINIMUM
2.5
150
100
600
400
INPUT
VOLTAGE
2.0
1.5
20
1.0
10
50
200
0.5
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0
5
10 15 20
25
30
0
0
0.2
0.4
0.6
0.8
1.0
0
1.2
SHDN VOLTAGE (V)
PI N FU N CTIO N S
3436 G07
INPUT VOLTAGE (V)
3436 G08
FEEDBACK VOLTAGE (V)
3436 G09
GND (Pins 1, 5, 6, 8, 9, 16, 17): Short GND pins 1, 5, 6,8,
9, 16 and the exposed pad (pin 17) on the PCB. The GND
is the reference for the regulated output, so load regulation
will suffer if the “ground” end of the load is not at the same
voltage as the GND of the IC. This condition occurs when
the load current flows through the metal path between the
GND pins and the load ground point. Keep the ground path
short between the GND pins and the load and use a ground
plane when possible. Keep the path between the input
bypass and the GND pins short. The exposed pad should
be attached to a large copper area to improve thermal
performance.
V IN (Pin 2): This pin powers the internal circuitry and
internal regulator. Keep the external bypass capacitor
close to this pin.
SW (Pins 3, 4): The switch pin is the collector of the on-
chip power NPN switch and has large currents flowing
through it. Keep the traces to the switching components as
short as possible to minimize radiation and voltage spikes.
SHDN (Pin 11): The shutdown pin is used to turn off the
regulator and to reduce input drain current to a few
microamperes. The 1.35V threshold can function as an
accurate undervoltage lockout (UVLO), preventing the
a predetermined level. Float or pull high to put the regula-
tor in the operating mode.
FB (Pin 12): The feedback pin is used to set output voltage
using an external voltage divider that generates 1.2V at the
pin with the desired output voltage. If required, the current
limit can be reduced during start up when the FB pin is
below 0.5V (see the Current Limit Foldback graph in the
Typical Performance Characteristics section). An imped-
ance of less than 5k ? at the FB pin is needed for this
feature to operate.
V C (Pin 13): The V C pin is the output of the error amplifier
and the input of the peak switch current comparator. It is
normally used for frequency compensation, but can do
double duty as a current clamp or control loop override.
This pin sits at about 0.3V for very light loads and 0.9V at
maximum load.
SYNC (Pin 14): The sync pin is used to synchronize the
internal oscillator to an external signal. It is directly logic
compatible and can be driven with any signal between
20% and 80% duty cycle. The synchronizing range is
equal to initial operating frequency, up to 1.4MHz. See
Synchronization section in Applications Information for
details. When not in use, this pin should be grounded.
regulator from operating until the input voltage has reached
3436fa
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3436EFE#PBF | 功能描述:IC REG BOOST ADJ 3A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3436EFE#TR | 功能描述:IC REG BOOST ADJ 3A 16TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3436EFE#TRPBF | 功能描述:IC REG BOOST ADJ 3A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3436EFEPBF | 制造商:Linear Technology 功能描述:LT3436 adj 3A SU boost dc-dc converter |
| LT3437 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100μA Quiescent Current |
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