MC34717EP Freescale Semiconductor, MC34717EP Datasheet - Page 2

• Manufacturer Part Number: MC34717EP
• Description: IC CONVERTER DDR 26QFN
• Manufacturer: Freescale Semiconductor

Specifications of MC34717EP

• Applications: Converter, DDR
• Voltage - Input: 3 ~ 6 V
• Number Of Outputs: 2
• Voltage - Output: 0.7 ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 26-QFN
• Output Voltage: 0.7 V to 3.6 V
• Output Current: 5 A
• Input Voltage: 3 V to 6 V
• Switching Frequency: 1 MHz
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• No. Of Outputs: 2
• Power Dissipation Pd: 2.03W
• No. Of Pins: 26
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2
34717
INTERNAL BLOCK DIAGRAM
BOOT1
COMP1
PGND1
VOUT1
FREQ
PVIN1
ILIM1
SW1
GND
INV1
PG
CHANNEL 1
M5
M4
I
I
SENSE2
SENSE1
Amplifier
M1
I
SENSE
Error
Oscillator
M8
Figure 2. 34717 Simplified Internal Block Diagram
F
–
SW
–
Monitoring
Discharge
Driver
System
INTERNAL BLOCK DIAGRAM
Gate
Current
Reset
PWM
Comparator
M2
V
Control
Logic
Buck
V
IN
BG
Generator
F
Ramp
I
I
LIM2
LIM1
SW
System
Control
SD
CHANNEL 2
V
BG
Generator
Reference
Selection
Ramp
F
SW
Comparator
V
Discharge
BG
PWM
V
M3
Discharge
IN
Driver
Gate
Monitoring
Regulator
Regulator
Bandgap
Thermal
Voltage
Internal
–
I
–
SENSE
Analog Integrated Circuit Device Data
Error
Amplifier
M9
M6
M7
Freescale Semiconductor
COMP2
PGND2
INV2
ILIM2
BOOT2
PVIN2
VDDI
VIN
VREFIN
VOUT2
SW2