MC34717EP Freescale Semiconductor, MC34717EP Datasheet - Page 27

• 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

Analog Integrated Circuit Device Data
Freescale Semiconductor
REVISION
1.0
2.0
3.0
4.0
DATE
2/2006
1/2007
5/2007
12/2007
DESCRIPTION OF CHANGES
• Pre-release version
• Implemented Revision History page
• Initial release
• Converted format from Market Assessment to Product Preview
• Major updates to the data, form, and style
• Changed Feature fom 2% to 1%, relabeled to include soft start
• Change references for 45 mΩ Integrated N-Channel Power MOSFETs to 50 mΩ
• Removed Machine Model in
• Added
• Changed
• Changed
• Changed
• Changed
• Added
• Changed
• Changed
• Changed
• Changed
• Changed
• Changed Channel 1
• Changed Channel 2
• Changed
• Changed
• Changed definition for
• Changed drawings in
• Changed table for
• Removed PC34717EP/R2 from the ordering information and added MC34717EP/R2
• Changed data sheet status to Advance Information
• Made changes to
• Added
• Fixed drawing for
• Added pin 27 to
• Added the section
(M5) RDS(ON)
(M7) RDS(ON)
and
and
SW2 Pins
channels of
Power MOSFET (M5) RDS(ON)
modes), Both channels of
Error Amplifier Slew Rate
Output Under-voltage/Over-voltage Filter Delay Timer
Output Under-voltage/Over-voltage Filter Delay Timer
Channel 1 High Side MOSFET Drain Voltage Range
Channel 2 High Side MOSFET Drain Voltage Range
Machine Model
High Side N-CH Power MOSFET (M4) RDS(ON)
High Side N-CH Power MOSFET (M6) RDS(ON)
Output Voltage Accuracy
Soft Start Adjusting Reference Voltage Range
M2 RDS(ON)
Soft Start Adjusting Reference Voltage Range
Short-circuit Current Limit
M3 RDS(ON)
SD Pin Internal Pull-up Resistor
Oscillator Default Switching Frequency
PG Reset Delay
Respectively),
High Side N-CH Power MOSFET (M4) RDS(ON)
(12)
(14)
Figure 3
REVISION HISTORY
Switching Node (SW1, SW2)
Type III compensation network
Soft Start Adjustment
Layout Guidelines
Soft Start Duration (Normal
Soft Start Duration (Normal
34717 Typical Application
Soft Start ADJUStment input (ILIM1, ILIM2)
(MM), Both channels of
and
and
Output Under-voltage
(14)
and the
(Error Amplifier DC Gain
and
PVIN1 Pin Leakage Current
PVIN2 Pin Leakage Current
,
Maximum Ratings
Error Amplifier Input Offset
Thermal Shutdown Retry Timeout Period
(12)
34717 Pin Definitions
(12)
,
Charge Device Model
,
(13)
SW2 Leakage Current (Standby and Shutdown
Pins,
Threshold,
Mode),
Mode),
(14)
BOOT1, BOOT2 Pins (Referenced to SW1,
,
Error Amplifier Unit Gain Bandwidth
Over-current Limit Retry Timeout
Over-current Limit Retry Timeout
and
(14)
(12)
(14)
Output Over-voltage
)
(12)
Short-circuit Current Limit
and
and
, Both channels of
Low Side N-CH Power MOSFET
Low Side N-CH Power MOSFET
(21)
Threshold, Both
Low Side N-CH
REVISION HISTORY
Period,
Period,
(14)
,
34717
27