LTC3458EDE#PBF Linear Technology, LTC3458EDE#PBF Datasheet - Page 13

• 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

APPLICATIO S I FOR ATIO
rolled off before the RHP zero frequency.
The typical error amp compensation is shown in Figure 2.
The equations for the loop dynamics are as follows:
f
f
f
POLE
ZERO
POLE
1
2
1
≈
=
≈
2
2
2
π
π
π
•
•
•
10
R
R
1
Z
Z
1
e
1
U
•
•
6
CC
CC
•
CC
1
2
U
1
which is close to DC
W
U
ERROR
AMP
+
–
Figure 2
COMP
1.25V
FB
7
8
R Z
CC1
LTC3458
CC2
V
OUT
R1
R2
3458 F01
13
3458fa