Datasheet
www.ti.com
TYPICAL CHARACTERISTICS
250
350
450
550
650
750
−40 0 25 85 125
T
J
− Junction Temperature − °C
f − Internally Set Oscillator Frequency − kHz
SYNC ≥ 2.5 V
SYNC ≤ 0.8 V
0
2
4
6
8
10
12
−40 −20 0 20 40 60 80 100
T
J
− Junction Temperature − °C
Drain-Source On-State Resistance − Ω
VIN = 3.6 V,
PVIN = 2.5 V,
I
O
= 9 A
125
0
2
4
6
8
10
12
−40 −20
0 20 40 60 80
100 125
T
J
− Junction Temperature − °C
Drain-Source On-State Resistance − Ω
VIN = 3.3 V,
PVIN = 2.5 V,
I
O
= 9 A
200
300
400
500
600
700
800
−40 0 25 85 125
T
J
− Junction Temperature − °C
f − Externally Set Oscillator Frequency − kHz
RT = 68 kΩ
RT = 100 kΩ
RT = 180 kΩ
0.885
0.887
0.889
0.891
0.893
0.895
−40 0 25 85 125
T
J
− Junction Temperature − °C
− Voltage Reference − V
V
ref
0
1
2
3
4
5
6
7
8
0 5 10 15 20
I
O
− Output Current − A
Device Power Dissipation − W
V
O
= 1.5 V,
V
I
= PVIN = 3.3 V,
T
J
= 125°C
−20
0
20
40
60
80
100
120
140
1 100 1 k 1 M
−200
−180
−160
−140
−120
−100
−80
−60
−40
−20
0
10 10 k 100 k 10 M
f − Frequency − Hz
Gain − dB
Phase − Degrees
Phase
Gain
R
L
= 10 kΩ,
C
L
= 160 pF,
T
A
= 25°C
0.885
0.887
0.889
0.891
0.893
0.895
3 3.1 3.2 3.3 3.4 3.5 3.6
V
I
− Input Voltage − V
− Output Voltage Regulation − V
V
O
PVIN = 2.5 V
2.75
2.90
3.05
3.20
3.35
3.50
3.65
−40 0 25 85 125
T
J
− Junction Temperature − °C
Internal Slow-Start Time − ms
3.80
VIN = 3.3 V,
PVIN = 2.5 V
TPS54010
SLVS509B – MAY 2004 – REVISED JUNE 2005
DRAIN-SOURCE ON-STATE DRAIN-SOURCE ON-STATE INTERNALLY SET OSCILLATOR
RESISTANCE RESISTANCE FREQUENCY
vs vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 1. Figure 2. Figure 3.
EXTERNALLY SET OSCILLATOR
FREQUENCY VOLTAGE REFERENCE DEVICE POWER DISSIPATION
vs vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE OUTPUT CURRENT
Figure 4. Figure 5. Figure 6.
REFERENCE VOLTAGE INTERNAL SLOWS-START TIME
vs ERROR AMPLIFIER vs
INPUT VOLTAGE OPEN-LOOP RESPONSE JUNCTION TEMPERATURE
Figure 7. Figure 8. Figure 9.
7