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参数资料
| 型号： | LTC3400ES6-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ .85A SOT23-6 |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 5 V |
| 输入电压： | 0.5 V ~ 6 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 850mA |
| 同步整流器： | 是 |
| 工作温度： | -30°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-6 |
LTC3400/LTC3400B
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
V IN Voltage ................................................. – 0.3V to 6V
SW Voltage ................................................. – 0.3V to 6V
SHDN, FB Voltage ....................................... – 0.3V to 6V
V OUT ........................................................... – 0.3V to 6V
Operating Temperature Range (Note 2) .. – 30 ° C to 85 ° C
Storage Temperature Range ................... – 65 ° C to 125 °
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TOP VIEW
SW 1 6 V IN
GND 2 5 V OUT
FB 3 4 SHDN
S6 PACKAGE
6-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, θ JC = 102 ° C/W
ORDER PART
NUMBER
LTC3400ES6
LTC3400BES6
S6 PART MARKING
LTWK
LTUN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 1.2V, V OUT = 3.3V, unless otherwise specified.
PARAMETER
Minimum Start-Up Voltage
Minimum Operating Voltage
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current (Burst Mode Operation)
Quiescent Current (Shutdown)
Quiescent Current (Active)
NMOS Switch Leakage
PMOS Switch Leakage
CONDITIONS
I LOAD = 1mA
SHDN = V IN (Note 4)
V FB = 1.25V (Note 3)
V FB = 1.4V (Note 5), LTC3400 Only
V SHDN = 0V, Not Including Switch Leakage
Measured On V OUT
V SW = 5V
V SW = 0V
q
MIN
2.5
1.192
TYP
0.85
0.5
1.23
1
19
0.01
300
0.1
0.1
MAX
1
0.65
5
1.268
30
1
500
5
5
UNITS
V
V
V
V
nA
μ A
μ A
μ A
μ A
μ A
NMOS Switch On Resistance
PMOS Switch On Resistance
NMOS Current Limit
Burst Mode Operation Current Threshold
Current Limit Delay to Output
V OUT = 3.3V
V OUT = 5V
V OUT = 3.3V
V OUT = 5V
LTC3400 Only (Note 3)
(Note 3)
600
0.35
0.20
0.45
0.30
850
3
40
?
?
?
?
mA
mA
ns
Max Duty Cycle
V FB = 1.15V
q
80
87
%
Switching Frequency
q
0.95
0.85
1.2
1.2
1.5
1.5
MHz
MHz
SHDN Input High
SHDN Input Low
1
0.35
V
V
SHDN Input Current
V SHDN = 5.5V
0.01
1
μ A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC3400E/LTC3400BE are guaranteed to meet performance
specifications from 0 ° C to 70 ° C. Specifications over the – 30 ° C to 85 ° C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3: Specification is guaranteed by design and not 100% tested in
production.
Note 4: Minimum V IN operation after start-up is only limited by the
battery’s ability to provide the necessary power as it enters a deeply
discharged state.
Note 5: Burst Mode operation I Q is measured at V OUT . Multiply this value
by V OUT /V IN to get the equivalent input (battery) current.
3400fa
2
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