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LINEAR TECHNOLOGY  LT3988IMSE#PBF  DC/DC Switching Regulator, Buck, 2 Output, 4.1 V to 60 V in, 55.2 V/1 A out, 2.5 MHz, MSOP-16

LINEAR TECHNOLOGY LT3988IMSE#PBF
Manufacturer Part No:
LT3988IMSE#PBF
Order Code:
2097957
Technical Datasheet:
See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LT3988IMSE#PBF is a dual current mode step-down DC/DC Converter that accepts two input voltages up to 60V (80V transient), which may be driven from separate supplies or can be cascaded. High efficiency switches are included on the die along with internal boost diodes and loop compensation. Both converters are capable of generating 1A outputs, are synchronized to a single oscillator programmable up to 2.5MHz and run with opposite phases, reducing input ripple current. The switching frequency is set with a single resistor yielding a range of 250kHz to 2.5MHz or a clock signal can be applied to the SYNC pin. The LT3988's high switching frequency allows the use of small inductors and capacitors, resulting in a very small dual output supply. The constant switching frequency, combined with low impedance ceramic capacitors, results in low, predictable output ripple. A current mode PWM architecture provides fast transient response with cycle-by-cycle current limiting.
  • Short circuit robust
  • Integrated boost diodes
  • Integrated loop compensation
  • Anti-phase switching reduces ripple
  • <2µA Low shutdown

Product Information

Input Voltage Min:
4.1V
Input Voltage Max:
60V
No. of Outputs:
2 Output
DC / DC Converter IC Case:
MSOP
No. of Pins:
16Pins
Output Current - Output 1:
1A
Output Current - Output 2:
1A
Output Voltage - Output 1:
55.2V
Output Voltage - Output 2:
55.2V
Regulator Output Type:
Adjustable
Switching Frequency:
2.5MHz
Topology:
Buck (Step Down)
Operating Temperature Max:
125°C
Packaging:
Cut Tape
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Automotive
  • Industrial
  • Commercial
  • Power Management

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000343