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参数资料
| 型号： | LT3435IFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3A 16TSSOP |
| 标准包装： | 95 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 54 V |
| 输入电压： | 3.3 V ~ 60 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 500kHz |
| 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 |
LT3435
TYPICAL PERFOR A CE CHARACTERISTICS
Dropout Operation
Dropout Operation
Burst Mode Operation
4.0
3.5
V OUT = 3.3V
BOOST DIODE = DIODES INC DFLS160
6
5
V OUT = 5V
BOOST DIODE = DIODES INC DFLS160
V OUT
50mV/DIV
3.0
2.5
4
AC-COUPLED
2.0
1.5
LOAD CURRENT = 2.5A
3
2
LOAD CURRENT = 2.5A
I SW
500mA/DIV
1.0
0.5
LOAD CURRENT = 250mA
1
LOAD CURRENT = 250mA
V IN = 12V
V OUT = 3.3V
10ms/DIV
3435 G21
0
0
2
2.5
3
3.5 4 4.5 5
5.5
6
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5
INPUT VOLTAGE (V)
3435 G19
INPUT VOLTAGE (V)
3435 G20
V OUT
50mV/DIV
AC-COUPLED
I SW
500mA/DIV
Burst Mode Operation
V OUT
200mV/DIV
AC-COUPLED
I OUT
1A/DIV
No Load 2A Step Response
V OUT
200mV/DIV
AC-COUPLED
I OUT
1A/DIV
Step Response
V IN = 12V
V OUT = 3.3V
10 μ s/DIV
3435 G22
V IN = 12V
V OUT = 3.3V
C OUT = 100 μ F
500 μ s/DIV
3435 G23
V IN = 12V 500 μ s/DIV
V OUT = 3.3V
C OUT = 100 μ F
3435 G24
I LOAD(DC) = 500mA
PI FU CTIO S
NC (Pin 1): No Connection.
SW (Pins 2, 5): The SW pin is the emitter of the on-chip
power NPN switch. This pin is driven up to the input pin
voltage during switch on time. Inductor current drives the
SW pin negative during switch off time. Negative voltage
is clamped with the external catch diode. Maximum nega-
tive switch voltage allowed is –0.8V.
V IN (Pins 3, 4): This is the collector of the on-chip power
NPN switch. V IN powers the internal control circuitry when
a voltage on the BIAS pin is not present. High di/dt edges
occur on this pin during switch turn on and off. Keep the
path short from the V IN pin through the input bypass
capacitor, through the catch diode back to SW. All trace
inductance on this path will create a voltage spike at switch
off, adding to the V CE voltage across the internal NPN.
BOOST (Pin 6): The BOOST pin is used to provide a drive
voltage, higher than the input voltage, to the internal
bipolar NPN power switch. Without this added voltage, the
typical switch voltage loss would be about 1.5V. The
additional BOOST voltage allows the switch to saturate
and its voltage loss approximates that of a 0.1 ? FET
structure.
C T (Pin 7): A capacitor on the C T pin determines the amount
of delay time between the PGFB pin exceeding its thresh-
old (V PGFB ) and the PG pin set to a high impedance state.
3435fa
6
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| LT3436 | 制造商:LINER 制造商全称:Linear Technology 功能描述:3A, 800kHz Step-Up Switching Regulator |
| LT3436EFE | 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#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 |
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