参数资料
型号: LTC3406BES5-1.2#TRPBF
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC REG BUCK SYNC 1.2V 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: 1.2V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1.5MHz
电流 - 输出: 600mA
同步整流器:
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
LTC3406B-1.2
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
Input Supply Voltage .................................. – 0.3V to 6V
ORDER PART
RUN, V OUT Voltages................................... – 0.3V to V IN
TOP VIEW
NUMBER
SW Voltage (DC) ......................... – 0.3V to (V IN + 0.3V)
P-Channel Switch Source Current (DC) ............. 800mA
RUN 1
GND 2
5 V OUT
LTC3406BES5-1.2
N-Channel Switch Sink Current (DC) ................. 800mA
Peak SW Sink and Source Current (V IN = 3V)........ 1.3A
SW 3
S5 PACKAGE
4 V IN
S5 PART MARKING
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Junction Temperature (Notes 3, 5) ...................... 125 ° C
5-LEAD PLASTIC TSOT-23
T JMAX = 125 ° C, θ JA = 250 ° C/ W, θ JC = 90 ° C/ W
LTBMR
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
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
V OUT
? V OVL
PARAMETER
Regulated Output Voltage
Output Overvoltage Lockout
CONDITIONS
? V OVL = V OVL – V OUT
MIN
1.164
2.5
TYP
1.2
6.25
MAX
1.236
10
UNITS
V
%
? V OUT
I PK
Output Voltage Line Regulation
Peak Inductor Current
V IN = 2.5V to 5.5V
V IN = 3V, V OUT = 1.08V, Duty Cycle < 35%
0.75
0.04
1
0.4
1.25
%/V
A
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 4)
V OUT = 1.08V
300
400
μ A
Shutdown
V RUN = 0V, V IN = 5.5V
0.1
1
μ A
f OSC
Oscillator Frequency
V OUT = 1.2V
1.2
1.5
1.8
MHz
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
V RUN
I RUN
RUN Threshold
RUN Leakage Current
0.3
1
± 0.01
1.5
± 1
V
μ A
sn3406b12 3406b12fs
2
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