Datasheet
Table Of Contents
- FEATURES
- Packages
- DESCRIPTION
- Absolute Maximum Ratings
- Operating Ratings
- Electrical Characteristics
- Typical Performance Characteristics
- Specialized Block Diagrams
- Detailed Operating Description
- Modes of Operation
- Detection Signature
- Classification
- Undervoltage Lockout (UVLO)
- AUX Pin Operation
- Power Supply Operation
- High Voltage Start-up Regulator
- Error Amplifier
- Current Limit / Current Sense
- Oscillator, Shutdown and Sync Capability
- PWM Comparator / Slope Compensation
- Soft-Start
- Gate Driver and Maximum Duty Cycle Limit
- Thermal Protection
- LM5071 Application Circuit Diagrams
- Revision History

5
V
IN
AUX
V
EE
RCLASS
RTN
ARTN
OUT
OUT
V
CC
RSIG
Thermal
Limit
UVLO
+
_
EN
VBG
+
_
+
_
+
_
EN
+
_
V
IN
UVLORTN
+
-
V
IN
+
_
Hysteresis
60V
2V
2V
-
+
1.5V
force_enable
LT25V
10
PA
350 k:
10V
2.5V
Gate
Control
Power OK
1V
1.5V
SS
RT
CS
COMP
FB
FB
COMP
CS
RT
SS
Controller
SMPS
LOCAL_EN
V
CC
See Figure 4
LM5071
www.ti.com
SNVS409E –NOVEMBER 2005–REVISED APRIL 2013
Specialized Block Diagrams
Figure 12. Top Level Block Diagram
Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links: LM5071