LTC3406BES5-1.2#TRMPBF Linear Technology, LTC3406BES5-1.2#TRMPBF Datasheet - Page 4

• Manufacturer Part Number: LTC3406BES5-1.2#TRMPBF
• Description: IC CNV 1.2V SYNC STPDWN TSOT23-5
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3406BES5-1.2#TRMPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 600mA
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Dc To Dc Converter Type: Step Down
• Pin Count: 5
• Input Voltage: 5.5V
• Output Voltage: 1.2V
• Switching Freq: 210kHz
• Output Current: 600mA
• Efficiency: 96%
• Package Type: TSOT-23
• Output Type: Fixed
• Switching Regulator: Yes
• Load Regulation: 0.5%
• Line Regulation: 0.4%/V
• Mounting: Surface Mount
• Input Voltage (min): 2.5V
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LTC3406BES5-1.2#PBF; LTC3406BES5-1.2#PBF

LTC3406B-1.2
(From Figure 1)
TYPICAL PERFOR A CE CHARACTERISTICS
4
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
R
T
DS(ON
A
= 25°C
1
) vs Input Voltage
2
SYNCHRONOUS
INPUT VOLTAGE (V)
SWITCH
3
MAIN
SWITCH
120
100
340
320
300
280
260
240
220
200
80
60
40
20
4
0
–50
0
Dynamic Supply Current vs
Temperature
Switch Leakage vs Input Voltage
RUN = 0V
T
V
I
A
LOAD
5
IN
= 25°C
–25
W
= 3.6V
1
= 0A
3406B12 G07
6
0
INPUT VOLTAGE (V)
SYNCHRONOUS
TEMPERATURE (°C)
U
2
7
25
SWITCH
3
50
SWITCH
MAIN
0.7
0.4
0.3
0.2
0.6
0.5
0.1
4
75
0
–50
R
DS(ON)
100
5
3406B12 G12
–25
3406B12 G10
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
125
vs Temperature
6
= 4.2V
0
TEMPERATURE (°C)
25
AC COUPLED
V
200mA/DIV
IN
10mV/DIV
= 3.6V
50
2V/DIV
V
IN
V
300
250
200
150
100
OUT
SW
= 2.7V
50
I
0
L
75
–50
Discontinuous Operation
Switch Leakage vs Temperature
V
I
LOAD
V
RUN = 0V
IN
IN
= 3.6V
100
–25
3406B12 G08
= 5.5V
= 50mA
SYNCHRONOUS SWITCH
125
0
TEMPERATURE (°C)
25
1µs/DIV
400
380
360
340
320
300
280
260
240
220
200
MAIN SWITCH
50
2
Dynamic Supply Current vs
Supply Voltage
I
T
LOAD
75
A
= 25°C
= 0A
100
3406B12 G11
3406B12 G13
3
SUPPLY VOLTAGE (V)
125
4
sn3406b12 3406b12fs
5
3406B12 G09
6