参数资料
型号: TPS62732DRYR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 3000 kHz SWITCHING FREQ-MAX, PDSO6
封装: 1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6
文件页数: 27/27页
文件大小: 4698K
代理商: TPS62732DRYR
I
= 1 mA 25C
OUT
DC/DC
mode
bypass
mode
2
2.05
2.1
2.15
2.2
2.25
2.3
V
-Output
V
oltage
-
V
O
U
T
1.9
2
2.1
2.2
2.3
2.4
2.5
V
- Input Voltage - V
IN
I
= 20 mA -40C
OUT
I
= 1 mA 85C
OUT
I
= 20 mA 25C
OUT
I
= 1 mA -40C
OUT
I
= 20 mA 85C
OUT
ON/BYP = high
automatic transition
into bypass mode
falling VIN
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.9
2.3
2.9
3.5
3.9
V
- Input Voltage - V
IN
r
-Drain-Source
On-State
Resistance
-
D
S(O
N
)
W
2.1
2.7
2.5
3.1
3.3
3.7
T = -40°C
A
T = 25°C
A
T = 50°C
A
T = 60°C
A
T = 70°C
A
T = 85°C
A
T = -20°C
A
T = 0°C
A
DC/DC mode
bypass mode
2
2.05
2.1
2.15
2.2
2.25
2.3
V
-Output
V
oltage
-
V
O
U
T
1.9
2
2.1
2.2
2.3
2.4
2.5
V
- Input Voltage - V
IN
I
= 1 mA -40C
OUT
I
= 1 mA 25C
OUT
I
= 1 mA 85C
OUT
I
= 20 mA -40C
OUT
I
= 20 mA
OUT
I
= 20 mA 85C
OUT
ON/BYP = high
automatic transition
into bypass mode
rising V
IN
0
500
1000
1500
2000
2500
3000
3500
0
10
20
30
40
50
f-
Frequency
-
kHz
I
- Output Current - mA
OUT
L = 2.2 H Murata LQM21PN2R2,
C
= 2.2 F,
ON/BYP = V
m
OUT
IN
V
= 2.3 V
IN
V
= 2.5 V
IN
V
= 2.7 V
IN
V
= 3 V
IN
V
= 3.3 V
IN
V
= 3.6 V
IN
SLVSAC3
– MAY 2011
TYPICAL CHARACTERISTICS (continued)
Figure 9. rDS(ON) NMOS vs Input Voltage
Figure 10. Automatic Transition into Bypass Mode -
Falling VIN
Figure 11. Automatic Transition into Bypass Mode - Rising
Figure 12. Switching Frequency vs IOUT vs VIN
VIN
Copyright
2011, Texas Instruments Incorporated
9
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