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PDF IT77101 Data sheet ( Hoja de datos )
| Número de pieza | IT77101 | |
| Descripción | 5V/600mA High Efficiency Synchronous Step-Down DC/DC Converter | |
| Fabricantes | M3TEK | |
| Logotipo |  |
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M3TEK
IT77101
5V/600mA High Efficiency Synchronous Step-Down DC/DC Converter
Description
The IT77101 is a high efficiency step-down
DC/DC converter using a constant frequency,
current mode architecture. The device
integrates a main switch and a synchronous
rectifier for high efficiency without an external
schottky diode. Supply current during operation
is only 160µA and drops to < 1µA after
shutdown. The IT77101 can supply 600mA of
load current from 2.5V to 6.0V input voltage.
The output voltage can be regulated as low as
0.6V.
The switching frequency is internally set at
1.2MHz, allowing the use of small surface
mount inductors and capacitor. The IT77101 is
available in a low profile TSOT23_5L/
SOT23_5L package.
Features
High Efficiency up to 95%
160µA Low Quiescent Current (Active Mode)
2.5V to 6.0V Input Voltage Range
600mA Output Current
Fixed Frequency Operation
Allowable 0.6V Low Output Voltage
Current Mode Operation
Internal Soft-start
Over-temperature Protection
0.1µA Shutdown Current
TSOT23_5L/ SOT23_5L Small Package
RoHS Compliant (100% Green Available)
Applications
Cellular Telephone
PDA and Smart Phone
MP3 Player
Microprocessor and DSP Core Supply
Wireless and DSL Card
Digital Still Camera
Slim-Type DVD
Portable Device
Typical Applications
Efficiency (Vin=5V)
Vout=3.3V
Vout=1.2V
Figure 1. Typical Application Circuit
Rev. 0.3.9
www.m3tekic.com
M3tekic Confidential
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| PDF Descargar | [ Datasheet IT77101.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| IT77101 | 5V/600mA High Efficiency Synchronous Step-Down DC/DC Converter | M3TEK |
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