Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- OPERATING RANGE
- ELECTRICAL CHARACTERISTICS
- TYPICAL PERFORMANCE CHARACTERISTICS
- BLOCK DIAGRAM
- APPLICATION INFORMATION
- CONSTANT ON-TIME CONTROL OVERVIEW
- INTERNAL OPERATION UNDER-VOLTAGE COMPARATOR
- ON-TIME GENERATOR SHUTDOWN
- CURRENT LIMIT
- N-CHANNEL HIGH SIDE SWITCH AND DRIVER
- THERMAL SHUTDOWN
- COMPONENT SELECTION
- FREQUENCY SELECTION
- INDUCTOR SELECTION
- OUTPUT CAPACITOR
- RIPPLE FEED FORWARD
- FEEDBACK RESISTORS
- INPUT CAPACITOR
- AVIN CAPACITOR
- SOFT-START CAPACITOR
- EXTVCC CAPACITOR
- SHUTDOWN
- CBOOT CAPACITOR
- PGOOD RESISTOR
- CATCH DIODE
- BYPASS CAPACITOR
- EXTERNAL OPERATION STARTUP
- UNDER- & OVER-VOLTAGE CONDITIONS
- CURRENT LIMIT
- MODES OF OPERATION
- LINE REGULATION
- TRANSIENT RESPONSE
- EFFICIENCY
- PRE-BIAS LOAD STARTUP
- THERMAL CONSIDERATIONS
- LAYOUT CONSIDERATIONS
- Revision History

98
GNDN/C
107
SSFB
116
PGOOD
EXTV
CC
125
RONAVIN
134
SDCBOOT
143
PVINSW
152
SW
161
SW
PVIN
PVIN
LM2696
SNVS375B –OCTOBER 2005–REVISED APRIL 2013
www.ti.com
Connection Diagram
Top View
Figure 1. HTSSOP-16 Package
See Package Number PWP0016A
PIN DESCRIPTIONS
Pin # Name Function
1, 2, 3 SW Switching node
4 CBOOT Bootstrap capacitor input
5 AVIN Analog voltage input
6 EXTV
CC
Output of internal regulator for decoupling
7 FB Feedback signal from output
8 N/C No connect
9 GND Ground
10 SS Soft-start pin
11 PGOOD Power-good flag, open drain output
12 RON Sets the switch on-time dependent on current
13 SD Shutdown pin
14, 15, 16 PVIN Power voltage input
- Exposed Pad Must be connected to ground
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
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