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TMI3343B

30V, 3A Synchronous Step-Down DC/DC Converter with Adjustable Switching Frequency
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Number of views:
1000
Product serial number
VIN Range(V):
4.5 to 30
IOUT(A):
3
Switching Frequency(Hz):
50k to 1.5M Adj
VFB(V):
0.8
Iq(μA):
380
HSFET Rds(on)(Ω):
0.12
LSFET Rds(on)(Ω):
0.08
Control Mode:
CM
Functions:
PFM External COMP./ Adj fsw
Package:
ESOP8
Status:
MP
Quantity
-
+
Stock:
0
FEATURES
Parameters
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION

. High Efficiency: Up to 95%@12V to 5V
. Wide input voltage: 4.5V ~ 30V
. Up to 3A Output Current
. Low Typical 3μA Shutdown Current
. Internal Fixed 1.4ms Soft-Start
. 50kHz to 1.5MHz Adjustable Frequency
. Stable with Low ESR Ceramic Output
. Peak Current Mode with External Compensation
. PFM in Light Load Condition
. 0.8V Voltage Reference with ±2% Accuracy
. Thermal Shutdown
. Cycle-by-cycle Current Limit Protection
. Over Current Protection with Hiccup Mode 
. ESOP8 Package

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TMI3343B is a wide input voltage of 4.5V to 30V, high efficiency current mode, synchronous step-down DC/DC converter capable of delivering 3A current with adjustable switching frequency from 50kHz to 1.5MHz. TMI3343B integrates main switch and synchronous switch with low RDS(on) to minimize the conduction loss.

The device integrates 120mΩ High-Side and 80mΩ Low-side Power MOS, and has advanced features include UVLO, Thermal Shutdown, Soft Start, input OVP.

. Smart Home Applications
. Vacuum Robot
. Printer
. Consumer Applications: TV and Set Top Box
. General 5V, 12V, 24V DC/DC Power Bus Supply

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File size:
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Number of downloads:
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2020-09-14 16:02:46
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