As a member of the SWIFT™ family of dc/dc regulators, the TPS54073 low-input voltage high-output current synchronous buck PWM converter integrates all required active components

TPS54073

Manufacturer Part NumberTPS54073
DescriptionAs a member of the SWIFT™ family of dc/dc regulators, the TPS54073 low-input voltage high-output current synchronous buck PWM converter integrates all required active components
ManufacturerTexas Instruments
TPS54073 datasheet
 


Specifications of TPS54073

Iout(max)(a)14Vin(min)(v)2.2
Vin(max)(v)4Vout(min)(v)0.9
Vout(max)(v)2.5Iq(typ)(ma)13
Switching Frequency(max)(khz)700Switch Current Limit(typ)(a)14.5
TopologyBuckOperating Temperature Range(c)-40 to 85
Pin/package28HTSSOPDuty Cycle(max)(%)90
Regulated Outputs(#)1  
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TPS54073
SLVS547 – FEBRUARY 2005
............................................................................................................................................................................................
The performance data for
Figure 23
= 3.3 V, V
= 1.5 V, f
= 700 kHz, and I
O
s
MEASURED LOOP RESPONSE
vs
FREQUENCY
70
210
60
180
Phase
50
150
40
120
30
90
20
60
Gain
10
30
0
0
-10
-30
-20
-60
-30
-90
-120
-40
-150
-50
10
100
1 k
10 k
100 k
1 M
f - Frequency - Hz
Figure 23.
16
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PERFORMANCE GRAPHS (continued)
through
Figure 26
are for the circuit in
= 7 A, T
= 25C, unless otherwise specified.
O
A
OUTPUT VOLTAGE RIPPLE
V (RIPPLE) = 10 mV/div (ac coupled)
O
I = 14 A
V(PH) = 2 V/div
O
t - Time = 500 ns/div
Figure 24.
FREE-AIR TEMPERATURE
vs
OUTPUT CURRENT
130
Safe Operating Area,
120
o
T = 125 C
J
110
100
90
80
70
60
50
40
30
20
10
0
0
2
4
6
8
10
12
I
- Output Current - A
O
Figure 26.
Product Folder Link(s):
TPS54073
Figure
13. Conditions are PVIN = VIN
LOAD TRANSIENT RESPONSE
V = 100 mV/div (ac coupled)
O
I = 5 A/div
O
t - Time = 250 s/div
m
Figure 25.
14
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