參數(shù)資料
型號(hào): TPS54429ERSAT
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.01 A SWITCHING REGULATOR, PQCC16
封裝: PLASTIC, QFN-16
文件頁(yè)數(shù): 3/26頁(yè)
文件大小: 907K
代理商: TPS54429ERSAT
0
1
2
3
4
5
I - Output Current - A
O
V = 3.3 V
O
V = 2.5 V
O
V = 1.8 V
O
40
50
60
70
80
90
100
Efficiency
-
%
EN-10V/div
V
-0.5V/div
OUT
PG-5V/div
400
s/div
m
6
8
10
12
14
16
18
V - Input Voltage - V
I
400
450
500
550
600
650
700
750
800
850
900
f
-
Switching
Frequency
-
kHz
sw
I
= 1 A
O
V
= 3.3 V
O
V
= 1.8 V
O
V = 3.3 V
O
V = 2.5 V
O
V = 1.8 V
O
0.001
0.01
0.1
I - Output Current - A
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency
-
%
SLVSAS0 –FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
EFFICIENCY
vs
STARTUP WAVEFORM
OUTPUT CURRENT
Figure 7.
Figure 8.
LIGHT LOAD EFFICIENCY
SWITCHING FREQUENCY
vs
OUTPUT CURRENT
INPUT VOLTAGE (IO=1A)
Figure 9.
Figure 10.
2011, Texas Instruments Incorporated
11
Product Folder Link(s) :TPS54429E
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