MCZ34670EG Freescale Semiconductor, MCZ34670EG Datasheet - Page 17

• Manufacturer Part Number: MCZ34670EG
• Description: IC POE CURR MODE SW REG 20-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Power Over Ethernet Controller (PoE)r

Specifications of MCZ34670EG

• Applications: Remote Peripherals (Industrial Controls, Cameras, Data Access)
• Internal Switch(s): No
• Voltage - Supply: 60V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Product: PoE / LAN Solutions
• Supply Voltage (max): 80 V
• Supply Voltage (min): - 0.3 V
• Power Dissipation: 800 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Current: 18 mA
• Output Current: 2.1A
• Digital Ic Case Style: SOIC
• No. Of Pins: 20
• Duty Cycle (%): 48%
• Uvlo: 2V
• Frequency: 400kHz
• Msl: MSL 3 - 168 Hours
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

voltage is out of regulation. In this case the RESET pin is
pulled low.
applications.
output pulses. During soft-start, RESET is held low. RESET
is released when the PWM controller is in regulation.
Analog Integrated Circuit Device Data
Freescale Semiconductor
The RESET output can only be used in non-isolated
There is a 20 µs delay filter preventing erroneous RESET
N-CHANNEL MOSFET GATE DRIVER
sinks large transient currents up to 1.0 A to charge and
discharge the MOSFET gate. The GATE output is supplied
by the internal generated V
to approximately 9.0 V.
must be able to withstand a DC level of ~60 V plus the
reflected voltage at the primary side of the transformer. This
requires a MOSFET rated at 150 V or 200 V.
GATE drives an N-channel MOSFET. GATE sources and
For Power-over-Ethernet applications, the used MOSFET
FUNCTIONAL DEVICE OPERATION
DD
voltage, which is internally set
OPERATIONAL MODES
34670
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