LTC3458EDE#PBF Linear Technology, LTC3458EDE#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC3458EDE#PBF
• Description: IC CONV DC/DC SYNC BOOST 12DFN
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3458EDE#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2 ~ 7.5 V
• Current - Output: 1.4A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 1.5 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Dc To Dc Converter Type: Step Up
• Pin Count: 12
• Input Voltage: 6V
• Output Voltage: 2 to 7.5V
• Switching Freq: 1.15MHz
• Output Current: 1.6A
• Efficiency: 93%
• Package Type: DFN EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 1.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Primary Input Voltage: 6V
• No. Of Outputs: 1
• No. Of Pins: 12
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

LTC3458
4
TYPICAL PERFOR A CE CHARACTERISTICS
1200
1000
1.05
1.03
1.01
0.99
0.95
0.97
800
600
400
200
0
–45
1.5
Frequency Accuracy
Maximum Load Current
1.8 to 5.5V
R
RT = 200k
–30
ILIM
2.0
–15
= 124k
2.5
IN
TEMPERATURE (°C)
0
at 700kHz
3.0
15
V
IN
3.5
(V)
30
4.0
45
3.3V
7.5V
5V
4.5
60
OUT
W
OUT
OUT
5.0
75
3458 G07
3458 G10
U
90
5.5
1.24
1.22
1.20
1.25
1.23
1.21
0.9
0.8
0.7
0.5
1.0
0.6
95
93
91
89
87
85
500
–45
–45
Efficiency vs Frequency
SHDN Pin Threshold and
Hysteresis
FB Voltage
V
V
IN
OUT
–30
–30
= 3.3V
= 5V at 100mA
700
–15
–15
SHUTDOWN
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (kHz)
0
0
900
OPERATING
15
15
30
30
1100
45
45
1300
60
60
75
75
(T
3458 G08
3458 G11
3458 G13
A
1500
90
90
= 25°C unless otherwise specified)
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.5
0.4
0.3
0.2
0.1
0
–45
–40
N-Channel and P-Channel R
SYNC Pin Threshold
V
V
–30
IN
OUT
= 3.3V
= 5V
–15
–15
P-CHANNEL
TEMPERATURE (°C)
TEMPERATURE (°C)
0
10
15
30
N-CHANNEL
35
45
60
60
DS(ON)
75
3458 G09
3458 G12
3458fa
90
85