- 您现在的位置：买卖IC网 > PDF目录14875 > LTC1779ES6#TRMPBF (Linear Technology)IC REG BUCK ADJ 0.25A SOT23-6 PDF资料下载
参数资料
| 型号： | LTC1779ES6#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.25A SOT23-6 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 9.8 V |
| 输入电压： | 2.5 V ~ 9.8 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 100kHz ~ 550kHz |
| 电流 - 输出： | 250mA |
| 同步整流器： | 无 |
| 工作温度： | -65°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 产品目录页面： | 1333 (CN2011-ZH PDF) |
| 其它名称： | LTC1779ES6#TRMPBFDKR |
LTC1779
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
Input Supply Voltage (V IN )......................... – 0.3V to 10V
SENSE – , SW Voltages .................. – 0.3V to (V IN + 0.3V)
TOP VIEW
ORDER PART
NUMBER
V FB , I TH /RUN Voltages .............................. – 0.3V to 2.4V
SW Peak Output Current (< 10 μ s) .......................... 0.5A
Storage Ambient Temperature Range ... – 65 ° C to 150 ° C
Operating Temperature Range (Note 2) ... –40 ° C to 85 ° C
Junction Temperature (Note 3) ............................. 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
I TH /RUN 1 6 SW
GND 2 5 V IN
V FB 3 4 SENSE
S6 PACKAGE
6-LEAD PLASTIC SOT-23
T JMAX = 150 ° C, θ JA = 230 ° C/ W
–
LTC1779ES6
S6 PART MARKING
LTLP
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
ELECTRICAL CHARACTERISTICS The q denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T A = 25 ° C. V IN = 4.2V unless otherwise specified. (Note 2)
PARAMETER
Input DC Supply Current
Normal Operation
Shutdown
UVLO
CONDITIONS
Typicals at V IN = 4.2V (Note 4)
2.5V ≤ V IN ≤ 9.8V
2.5V ≤ V IN ≤ 9.8V, V ITH /RUN = 0V
V IN < UVLO Threshold
MIN
TYP
135
8
7
MAX
240
22
13
UNITS
μ A
μ A
μ A
Undervoltage Lockout Threshold
V IN Falling
V IN Rising
q
1.60
2.0
2.1
2.5
V
V
Shutdown Threshold (at I TH /RUN)
Start-Up Current Source
V ITH /RUN = 0V
q
0.15
0.25
0.325
0.5
0.5
0.85
V
μ A
Regulated Feedback Voltage
Output Voltage Line Regulation
(Note 5) 0 ° C to 70 ° C
(Note 5) – 40 ° C to 85 ° C
2.5V ≤ V IN ≤ 9.8V (Note 5)
q
q
0.780
0.770
–3
0.800
0.800
0
0.820
0.830
3
V
V
mV/V
Output Voltage Load Regulation
I TH /RUN Sinking 5 μ A (Note 5)
I TH /RUN Sourcing 5 μ A (Note 5)
2.5
2.5
mV/ μ A
mV/ μ A
V FB Input Current
(Note 5)
5
25
nA
Overvoltage Protect Threshold
Measured at V FB
0.820
0.860
0.895
V
Overvoltage Protect Hysteresis
Overtemperature Protect Threshold
Overtemperature Protect Hysteresis
30
170
15
mV
° C
° C
Oscillator Frequency
V FB = 0.8V
500
550
650
kHz
V FB = 0V
100
kHz
R DS(ON) of Internal P-Channel FET
Peak Current Sense Voltage
V IN = 4.2V, I SW = 100mA
(Note 6)
0.85
120
1.4
?
mV
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC1779E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the – 40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formula:
T J = T A + (P D ? θ J ° C/W)
2
Note 4: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
Note 5: The LTC1779 is tested in a feedback loop that servos V FB to the
output of the error amplifier.
Note 6: Peak current sense voltage is reduced dependent upon duty cycle
to a percentage of value as given in Figure 2.
相关PDF资料 |
PDF描述 |
|---|---|
| VI-BNK-EU | CONVERTER MOD DC/DC 40V 200W |
| EBC25DRYS-S734 | CONN EDGECARD 50POS DIP .100 SLD |
| MAX6461XR35+T | IC VOLT DETECTOR LP SC70-3 |
| ECC15DRYI-S734 | CONN EDGECARD 30POS DIP .100 SLD |
| MAX6461XR38+T | IC VOLT DETECTOR LP SC70-3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1798CS8 | 功能描述:IC VREF SERIES ADJ 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:5V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:80µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:TO-236-3，SC-59，SOT-23-3 供应商设备封装:SOT-23-3 包装:带卷 (TR) 其它名称:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LTC1798CS8#PBF | 功能描述:IC VREF SERIES ADJ 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:5V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:80µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:TO-236-3，SC-59，SOT-23-3 供应商设备封装:SOT-23-3 包装:带卷 (TR) 其它名称:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LTC1798CS8#TR | 功能描述:IC VREF SERIES ADJ 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| LTC1798CS8#TRPBF | 功能描述:IC VREF SERIES ADJ 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:5V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:80µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:TO-236-3，SC-59，SOT-23-3 供应商设备封装:SOT-23-3 包装:带卷 (TR) 其它名称:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LTC1798CS8-2.5 | 功能描述:IC VREF SERIES 2.5V 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
发布紧急采购，3分钟左右您将得到回复。