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

100
0
90
70
40
20
80
50
60
30
10
0.0001 0.001 0.01 0.1 10
1
I - Output Current- A
O
Efficiency - %
5 V
12 V
8.4 V
V = 3.3 V
SYNC = 1.4 MHz
T
PWM Mode
O
A
= 25 C
o
2000
1600
1100
1800
1400
900
700
400
100
1900
1500
1000
1700
1200
1300
800
500
200
600
300
0
3.2 3.6 5.2
4
5.6 6
4.4
4.8
V -InputVoltage-V
I
I -OutputCurrent-mA
O
100
0
90
70
40
20
80
50
60
30
10
0.0001 0.001 0.01 0.1 10
1
I -OutputCurrent- A
O
Efficiency-%
5V
4.2V
12V
8.4V
V =3.3V
T
PWMMode
O
A
=25 C
o
100
0
90
70
40
20
80
50
60
30
10
0.0001 0.001 0.01 0.1 10
1
I -OutputCurrent- A
O
Efficiency-%
5V
4.2V
12V
8.4V
V =3.3V
T
PFMMode
O
A
=25 C
o
TPS62110, TPS62111
TPS62112, TPS62113
SLVS585D –JULY 2005–REVISED JANUARY 2014
www.ti.com
Typical Characteristics (continued)
TPS62111 TPS62111
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 3. Figure 4.
TPS62111 TPS62111
EFFICIENCY MAXIMUM OUTPUT CURRENT
vs vs
OUTPUT CURRENT INPUT VOLTAGE
Figure 5. Figure 6.
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