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参数资料
| 型号： | LTC3404MPMS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 8MSOP |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 6 V |
| 输入电压： | 2.65 V ~ 6 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.4MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-MSOP |
LTC3404
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over –55 ° C to 125 ° C, otherwise specifications are TA = 25 ° C.
V IN = 3.6V unless otherwise specified.
SYMBOL
I VFB
V FB
Δ V OVL
Δ V FB
V LOADREG
PARAMETER
Feedback Current
Regulated Output Voltage
Output Overvoltage Lockout
Reference Voltage Line Regulation
Output Voltage Load Regulation
CONDITIONS
(Note 4)
(Note 4) 0 ° C ≤ T A ≤ 125 ° C
(Note 4) – 55 ° C ≤ T A ≤ 125 ° C
Δ V OVL = V OVL – V FB
V IN = 2.65V to 6V (Note 4)
Measured in Servo Loop; V ITH = 0.9V to 1.2V
MIN
0.784
0.74
20
TYP
4
0.8
0.8
50
0.05
0.1
MAX
30
0.816
0.84
110
0.2
1
UNITS
nA
V
V
mV
%/V
%
Measured in Servo Loop; V ITH = 1.5V to 1.2V
– 0.1
–1
%
V IN
Input Voltage Range
2.65
6
V
I Q
Input DC Bias Current
Pulse Skipping Mode
Burst Mode Operation
Shutdown
(Note 5)
2.65V < V IN < 6V, V SYNC/MODE = 0V, I OUT = 0A
V SYNC/MODE = V IN , I OUT = 0A
V RUN = 0V, V IN = 6V
400
10
0
700
15
1
μ A
μ A
μ A
f OSC
Oscillator Frequency
V FB = 0.8V
1.25
1.4
1.65
MHz
V FB = 0V
200
kHz
f SYNC
SYNC Capture Range
1.0
1.7
MHz
I PLL LPF
R PFET
R NFET
I PK
Phase Detector Output Current
Sinking Capability
Sourcing Capability
R DS(ON) of P-Channel MOSFET
R DS(ON) of N-Channel MOSFET
Peak Inductor Current
f PLLIN < f OSC
f PLLIN > f OSC
I SW = 100mA
I SW = –100mA
V IN = 3.3V, V FB = 0.7V, Duty Cycle < 35%,
T A = 125 ° C
6
–6
0.4
20
–20
1.0
40
–40
0.7
0.8
1.1
μ A
μ A
Ω
Ω
A
V IN = 4V, V FB = 0.7V, Duty Cycle < 35%,
T A = 125 ° C
0.8
1.2
A
I LSW
SW Leakage
V RUN = 0V, V SW = 0V or 6V, V IN = 6V
± 3
μ A
V SYNC/MODE
I SYNC/MODE
V RUN
I RUN
SYNC/MODE Threshold
SYNC/MODE Leakage Current
RUN Threshold
RUN Input Current
V SYNC/MODE Rising
V RUN Rising
0.3
0.3
1.5
± 1
1.5
± 1
V
μ A
V
μ A
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3404E is guaranteed to meet performance specifications
from 0 ° C to 85 ° C. Specifications over the – 40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LTC3404I is guaranteed to meet
Note 3: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formulas:
T J = T A + (P D )(150 ° C/W)
Note 4: The LTC3404 is tested in a feedback loop which servos V FB to the
balance point for the error amplifier (V ITH = 1.2V).
Note 5: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
performance specifications over the –40 ° C to 85 ° C operating temperature
range. The LTC3404MP is guaranteed to meet performance specifications
over the –55 ° C to 125 ° C operating temperature range.
3404fb
3
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相关代理商/技术参数 |
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| LTC3405 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Standalone 250mA Li-Ion Battery Charger in 2 × 2 DFN |
| LTC3405A | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5MHz, 300mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3405A-1.375 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.375V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT |
| LTC3405A-1.5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT |
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