MCZ34670EGR2 Freescale Semiconductor, MCZ34670EGR2 Datasheet - Page 2

• Manufacturer Part Number: MCZ34670EGR2
• Description: IC POE CURR MODE SW REG 20-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Power Over Ethernet Controller (PoE)r

Specifications of MCZ34670EGR2

• 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
• Power Dissipation: 800 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Current: 4.5 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
• Other names: MCZ34670EGR2; MCZ34670EGR2TR

2
34670
INTERNAL BLOCK DIAGRAM
VPWR
RCLA
UVLO
ILIM
VIN
+
250mV
0.8R
R
UNDERVOLTAGE
OVERVOLTAGE
DETECTION
LOCKOUT
LIMITATION
CURRENT
R
SENSE
UV or UVLO
2.5V
Figure 2. 34670 Simplified Internal Block Diagram
INTERNAL BLOCK DIAGRAM
INTERNAL
SUPPLY
EN
CONTROL LOGIC
DRIVE
GATE
HIGH VOLTAGE
REGULATOR
SENSOR
TEMP
POR
4.5V
FREQ
UV or UVLO
OSC
5kΩ
COMPARATOR
1.4V
PWM
RESET
3
5.7V
8V
SLOPE
COMP
Analog Integrated Circuit Device Data
+
DETECT
REG
0.6 - 2.6V
0.3V
S
R
R
Freescale Semiconductor
Q
0.4V
0.6V
S
R
Q
BLANK
1.2V
5µA
3.5V
+
COMP
FB
GATE
SS
CS
VOUT
VDD