ncp1083 ON Semiconductor, ncp1083 Datasheet - Page 2

• Manufacturer Part Number: ncp1083
• Description: Integrated High Power Poe-pd Interface & Dc-dc Converter Controller With 9v Auxiliary Supply Support
• Manufacturer: ON Semiconductor

DC−DC Converter Controller
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†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Ordering Information
Specification Brochure, BRD8011/D.
NCP1083DEG
NCP1083DER2G
Current Mode Control
Supports Isolated and Non−isolated DC−DC Converter
Applications
Internal Voltage Regulators
Wide Duty Cycle Range with Internal Slope
Compensation Circuitry
Programmable Oscillator Frequency
Programmable Soft−start Time
VPORTN1,2
VPORTP
INRUSH
Part Number
CLASS
UVLO
ILIM1
AUX
CLASSIFICATION
DETECTION
DETECTION
AUXILIARY
INRUSH
SUPPLY
ILIM1
UVLO
TSSOP−20 EP
TSSOP−20 EP
CONTROL & CURRENT
(Pb−Free)
(Pb−Free)
Package
INTERNAL
BANDGAP
HOT SWAP SWITCH
SUPPLY
Figure 1. NCP1083 Block Diagram
VPORT
MONITOR
LIMIT BLOCKS
&
http://onsemi.com
2
Shipping Configuration
2500 / Tape & Reel
THERMAL
DOWN
74 units / Tube
SHUT
VPORTN1
VPORTN2
VPORTP
INRUSH
CLASS
UVLO
TEST
CONVERTER
ILIM1
RTN
AUX
CONTROL
DC−DC
VDDL
OSC
PIN DIAGRAM
1
†
VDDL
(Top View)
Exposed
VDDL
VDDH
VDDL
Pad
20 mA
5 K
VDDH
VDDL
Temperature Range
1.2 V
5 mA
−40°C to 85°C
−40°C to 85°C
SS
FB
COMP
VDDL
VDDH
GATE
ARTN
nCLASS_AT
CS
OSC
VDDL
COMP
SS
CS
OSC
GATE
VDDH
FB
nCLASS_AT
ARTN
RTN