Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- Typical Application
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- THERMAL INFORMATION
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- DEVICE INFORMATION
- Typical Characteristics
- DETAILED DESCRIPTION
- OPERATION
- CONSTANT-FREQUENCY MODE OF OPERATION (SYNC = HIGH)
- POWER-SAVE MODE OF OPERATION (SYNC = LOW)
- SOFT START
- 100% DUTY-CYCLE, LOW-DROPOUT OPERATION
- Changed the ENABLE sectionENABLE
- UNDERVOLTAGE LOCKOUT
- THERMAL SHUTDOWN
- SYNCHRONIZATION
- POWER-GOOD COMPARATOR
- LOW-BATTERY DETECTOR (Standard Version)
- ENABLE/Low-Battery Detector (Enhanced Version) TPS62113 Only
- NO-LOAD OPERATION
- THEORY OF OPERATION / DESIGN PROCEDURE
- Inductor Selection
- OUTPUT-CAPACITOR SELECTION
- INPUT-CAPACITOR SELECTION
- FEEDFORWARD-CAPACITOR SELECTION
- RECOMMENDED CAPACITORS
- Layout Consideration
- APPLICATION INFORMATION
- Revision History

t - Time = 5 s/divm
V = 8.4 V, V = 3.3 V
I O
I = 100 mA, T = 25 C
LOAD A
o
I = 200 mA/div
COIL
SW =
5 V/div
V = 20 mV/div
O
t - Time = 200 s/divm
EN = 10 V/div
SW = 5 V/div
V = 1 V/div
O
V = 12 V, V = 3.3 V
I O
I = 800 mA, T = 25 C
LOAD A
o
I = 500 mA/div
COIL
t − Time = 20 µs/div
V
I
= 8.4 V
V
O
= 3.3 V
I
LOAD
= 150 mA to 1350 mA
T
A
= 25°C
V
O
= 50 mV/div
I
O
= 500 mA/div
t - Time = 2 ms/div
V = 50 mV/div
O
V = 5 V/div
I
V = 7.2 V to 12 V
V = 3.3 V
I = 800 mA
T = 25 C
I
O
LOAD
A
o
TPS62110, TPS62111
TPS62112, TPS62113
SLVS585D –JULY 2005–REVISED JANUARY 2014
www.ti.com
Typical Characteristics (continued)
TPS62111 TPS62111
LINE TRANSIENT LOAD TRANSIENT
Figure 11. Figure 12.
TPS62111 TPS62111
OUTPUT RIPPLE START-UP TIMING
Figure 13. Figure 14.
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