Texas Instruments Evaluation Module for TPS54528 TPS54528EVM-052 TPS54528EVM-052 데이터 시트
제품 코드
TPS54528EVM-052
1
1.025
1.05
1.075
1.1
V
- Output V
oltage - V
O
0
1
2
3
4
5
I - Output Current - A
O
V
= 12 V
IN
V
= 18 V
IN
V
= 5 V
IN
0
5
10
15
20
EN - Input Voltage - V
0
5
10
15
20
25
30
35
40
45
50
EN - Input Current -
A
m
0
1
2
3
4
5
6
7
Ivccsdn - Shutdown Current -
A
m
-50
0
50
100
150
T - Junction Temperature
C
J
- °
0
200
400
600
800
1000
1200
I
- Supply Current -
A
C
C
m
-50
0
50
1 0 0
150
T - Junction Temperature
C
J
- °
SLVSAY4C – JULY 2011 – REVISED MARCH 2014
Electrical Characteristics (continued)
over operating free-air temperature range, V
IN
= 12 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SOFT START
SS charge current
V
SS
= 1 V
4.2
6
7.8
μA
I
SS
SS discharge current
V
SS
= 0.5 V
0.1
0.2
mA
UVLO
Wake up V
REG5
voltage
3.45
3.75
4.05
UVLO
UVLO threshold
V
Hysteresis V
REG5
voltage
0.19
0.32
0.45
7.6 Timing Requirements - On-Time Timer Control
MIN
TYP
MAX
UNIT
t
ON
On time
V
IN
= 12 V, V
O
= 1.05 V
150
ns
t
OFF(MIN)
Minimum off time
T
A
= 25°C, V
FB
= 0.7 V
260
330
ns
7.7 Typical Characteristics
VIN = 12 V, T
A
= 25°C (unless otherwise noted).
V
I
= 12 V
V
I
= 12 V
Figure 1. VIN Current vs Junction Temperature
Figure 2. VIN Shutdown Current vs
Junction Temperature
V
I
= 18 V
Figure 3. EN Current vs EN Voltage
Figure 4. 1.05-V Output Voltage vs Output Current
6
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