參數(shù)資料
型號(hào): LTC3406BES5-1.8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
中文描述: 1.25 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5
封裝: PLASTIC, MO-193, TSOT-23, 5 PIN
文件頁數(shù): 4/16頁
文件大?。?/td> 231K
代理商: LTC3406BES5-1.8
4
LTC3406B
3406bfa
TYPICAL PERFOR U
(From Figure1a Except for the Resistive Divider Resistor Values)
Oscillator Frequency vs
Supply Voltage
Output Voltage vs Load Current
R
DS(ON
) vs Input Voltage
SUPPLY VOLTAGE (V)
2
O
1.8
1.7
1.6
1.5
1.4
1.3
1.2
3
4
5
6
3406B G07
T
A
= 25
°
C
INPUT VOLTAGE (V)
1
0
0.4
0.5
0.7
4
6
3406B G09
0.3
0.2
2
3
5
7
0.1
0
0.6
R
D
)
MAIN
SWITCH
SYNCHRONOUS
SWITCH
T
A
= 25
°
C
R
DS(ON)
vs Temperature
Dynamic Supply Current vs
Supply Voltage
Dynamic Supply Current vs
Temperature
Switch Leakage vs Temperature
Switch Leakage vs Input Voltage
Discontinuous Operation
TEMPERATURE (
°
C)
–50
0.4
0.5
0.7
25
75
3406B G10
0.3
0.2
–25
0
50
100
125
0.1
0
0.6
R
D
)
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
TEMPERATURE (
°
C)
–50
S
200
250
300
25
75
3406B G13
150
100
–25
0
50
100
125
50
0
V
= 5.5V
RUN = 0V
MAIN SWITCH
SYNCHRONOUS SWITCH
INPUT VOLTAGE (V)
0
0
S
20
40
60
80
120
1
2
3
4
3406B G14
5
6
100
RUN = 0V
T
A
= 25
°
C
SYNCHRONOUS
SWITCH
MAIN
SWITCH
LOAD CURRENT (mA)
0
O
500
200 300 400
600
800
100
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
3406B G08
900
700
V
IN
= 3.6V
T
A
= 25
°
C
SUPPLY VOLTAGE (V)
2
D
μ
A
6
3406B G11
3
4
5
400
380
360
340
320
300
280
260
240
220
200
V
OUT
= 1.8V
I
LOAD
= 0A
T
A
°
C
TEMPERATURE (
°
C)
–50
340
320
300
280
260
240
220
200
25
75
3406B
G12
–25
0
50
100
125
D
μ
A
V
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 0A
SW
2V/DIV
V
OUT
10mV/DIV
AC COUPLED
I
L
200mA/DIV
1
μ
s/DIV
V
IN
= 3.6V
V
OUT
= 1.8V
I
LOAD
= 50mA
3406B G15
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