MC34704AEP Freescale Semiconductor, MC34704AEP Datasheet - Page 19

IC POWER MANAGEMENT 56-QFN

MC34704AEP

Manufacturer Part Number
MC34704AEP
Description
IC POWER MANAGEMENT 56-QFN
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MC34704AEP

Applications
Processor
Current - Supply
86mA
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
56-QFN
Output Voltage
5 V
Input Voltage
2.7 V to 5.5 V
Switching Frequency
750 KHz to 2 MHz
Mounting Style
SMD/SMT
Number Of Outputs
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
REG2 BUCK STAGE SWITCHING NODE (SW2D)
pin.
REG2 REGULATED OUTPUT VOLTAGE PIN
(VOUT2)
to the pin as possible.
REG2 BOOST STAGE SWITCHING NODE (SW2U)
pin.
REG5 BOOST STAGE SWITCHING NODE (SW5U)
pin.
REG5 REGULATED OUTPUT VOLTAGE PIN
(VOUT5)
to the pin as possible.
REG5 BUCK STAGE SWITCHING NODE (SW5D)
pin.
Analog Integrated Circuit Device Data
Freescale Semiconductor
The inductor is connected between this pin and the SW2U
Connect this pin to the load and to the output filter as close
The inductor is connected between this pin and the SW2D
The inductor is connected between this pin and the SW5D
Connect this pin to the load and to the output filter as close
The inductor is connected between this pin and the SW5U
REG5 POWER SUPPLY INPUT VOLTAGE (PVIN5)
FET. Input decoupling /filtering is required for proper REG5
operation.
REG5 BUCK STAGE BOOTSTRAP CAPACITOR
INPUT PIN (BT5D)
pin to enhance the gate of the Switch Power MOSFET.
REG5 VOLTAGE FEEDBACK INPUT FOR
VOLTAGE REGULATION/PROGRAMMING (FB5)
REG5 COMPENSATION NETWORK CONNECTION
(COMP5)
POWER GROUND CONNECTION FOR ALL OF THE
REGULATORS EXCEPT REG7 (PGND)
REG7.
This is the connection to the drain of the high side switch
Connect a 1.0 μF capacitor between this pin and SW5D
Connect the feedback resistor divider to this pin.
REG5 compensation network connection.
Power Ground Connection for all of the regulators except
FUNCTIONAL PIN DESCRIPTION
FUNCTIONAL DESCRIPTION
34704
19

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