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参数资料
| 型号： | LTC3406ES5-1.8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.8V TSOT23-5 |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.8V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.5MHz |
| 电流 - 输出： | 600mA |
| 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： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-5 |
LTC3406
LTC3406-1.5/LTC3406-1.8
ABSOLUTE
AXI U
RATI GS
(Note 1)
Input Supply Voltage .................................. – 0.3V to 6V
RUN, V FB Voltages ..................................... – 0.3V to V IN
SW Voltage .................................. – 0.3V to (V IN + 0.3V)
P-Channel Switch Source Current (DC) ............. 800mA
N-Channel Switch Sink Current (DC) ................. 800mA
PACKAGE/ORDER I FOR ATIO
ORDER PART
Peak SW Sink and Source Current ........................ 1.3A
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Junction Temperature (Note 3) ............................ 125 ° C
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
ORDER PART
TOP VIEW
NUMBER
TOP VIEW
NUMBER
RUN 1
GND 2
SW 3
S5 PACKAGE
5 V FB
4 V IN
LTC3406ES5
S5 PART MARKING
RUN 1
GND 2
SW 3
S5 PACKAGE
5 V OUT
4 V IN
LTC3406ES5-1.5
LTC3406ES5-1.8
S5 PART MARKING
5-LEAD PLASTIC TSOT-23
5-LEAD PLASTIC TSOT-23
T JMAX = 125 ° C, θ JA = 250 ° C/ W, θ JC = 90 ° C/ W
LTA5
T JMAX = 125 ° C, θ JA = 250 ° C/ W, θ JC = 90 ° C/ W
LTD6
LTC4
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C.
V IN = 3.6V unless otherwise specified.
SYMBOL
I VFB
V FB
? V FB
PARAMETER
Feedback Current
Regulated Feedback Voltage
Reference Voltage Line Regulation
CONDITIONS
LTC3406 (Note 4) T A = 25 ° C
LTC3406 (Note 4) 0 ° C T A ≤ 85 ° C
LTC3406 (Note 4) –40 ° C ≤ T A ≤ 85 ° C
V IN = 2.5V to 5.5V (Note 4)
●
●
●
MIN
0.5880
0.5865
0.5850
TYP
0.6
0.6
0.6
0.04
MAX
± 30
0.6120
0.6135
0.6150
0.4
UNITS
nA
V
V
V
%/V
V OUT
Regulated Output Voltage
LTC3406-1.5, I OUT = 100mA
LTC3406-1.8, I OUT = 100mA
●
●
1.455
1.746
1.500
1.800
1.545
1.854
V
V
? V OUT
I PK
Output Voltage Line Regulation
Peak Inductor Current
V IN = 2.5V to 5.5V
V IN = 3V, V FB = 0.5V or V OUT = 90%,
●
0.75
0.04
1
0.4
1.25
%/V
A
Duty Cycle < 35%
V LOADREG
Output Voltage Load Regulation
0.5
%
V IN
Input Voltage Range
●
2.5
5.5
V
I S
Input DC Bias Current
(Note 5)
Active Mode
Sleep Mode
Shutdown
V FB = 0.5V or V OUT = 90%, I LOAD = 0A
V FB = 0.62V or V OUT = 103%, I LOAD = 0A
V RUN = 0V, V IN = 4.2V
300
20
0.1
400
35
1
μ A
μ A
μ A
f OSC
Oscillator Frequency
V FB = 0.6V or V OUT = 100%
●
1.2
1.5
1.8
MHz
V FB = 0V or V OUT = 0V
210
kHz
R PFET
R NFET
I LSW
R DS(ON) of P-Channel FET
R DS(ON) of N-Channel FET
SW Leakage
I SW = 100mA
I SW = –100mA
V RUN = 0V, V SW = 0V or 5V, V IN = 5V
0.4
0.35
± 0.01
0.5
0.45
± 1
?
?
μ A
3406fa
2
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