参数资料
型号: LTC3406BES5#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 1.25 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5
封装: PLASTIC, MO-193, TSOT-23, 5 PIN
文件页数: 11/16页
文件大小: 231K
代理商: LTC3406BES5#PBF
4
LTC3406B
3406bfa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Oscillator Frequency vs
Supply Voltage
Output Voltage vs Load Current
RDS(ON) vs Input Voltage
(From Figure1a Except for the Resistive Divider Resistor Values)
SUPPLY VOLTAGE (V)
2
OSCILLATOR
FREQUENCY
(MHz)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
34
5
6
3406B G07
TA = 25°C
INPUT VOLTAGE (V)
1
0
0.4
0.5
0.7
46
3406B G09
0.3
0.2
23
57
0.1
0
0.6
R
DS(ON)
(
)
MAIN
SWITCH
SYNCHRONOUS
SWITCH
TA = 25°C
RDS(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
DS(ON)
(
)
MAIN SWITCH
SYNCHRONOUS SWITCH
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
TEMPERATURE (°C)
–50
SWITCH
LEAKAGE
(nA) 200
250
300
25
75
3406B G13
150
100
–25
0
50
100
125
50
0
VIN = 5.5V
RUN = 0V
MAIN SWITCH
SYNCHRONOUS SWITCH
INPUT VOLTAGE (V)
0
SWITCH
LEAKAGE
(pA)
20
40
60
80
120
1
23
4
3406B G14
56
100
RUN = 0V
TA = 25°C
SYNCHRONOUS
SWITCH
MAIN
SWITCH
LOAD CURRENT (mA)
0
OUTPUT
VOLTAGE
(V)
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
VIN = 3.6V
TA = 25°C
SUPPLY VOLTAGE (V)
2
DYNAMIC
SUPPLY
CURRENT
(
A)
6
3406B G11
3
4
5
400
380
360
340
320
300
280
260
240
220
200
VOUT = 1.8V
ILOAD = 0A
TA = 25°C
TEMPERATURE (°C)
–50
340
320
300
280
260
240
220
200
25
75
3406B G12
–25
0
50
100
125
DYNAMIC
SUPPLY
CURRENT
(
A)
VIN = 3.6V
VOUT = 1.8V
ILOAD = 0A
SW
2V/DIV
VOUT
10mV/DIV
AC COUPLED
IL
200mA/DIV
1s/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 50mA
3406B G15
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