參數(shù)資料
型號(hào): TPS62421DRCR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁(yè)數(shù): 36/37頁(yè)
文件大小: 1020K
代理商: TPS62421DRCR
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
Efficiency
PowerSaveMode
MODE/DATA =0
ForcedPWMMode
MODE/DATA =1
V
=2.7V
IN
V
=3.6V
IN
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
V
=5V
IN
V
=1.1V
OUT1
I
-mA
OUT
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
Efficiency
I
-mA
OUT
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
PowerSaveMode
MODE/DATA =0
ForcedPWMMode
MODE/DATA =1
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
V
=1.575V
OUT1
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
Efficiency
I
-mA
OUT
PowerSaveMode
MODE/DATA =0
ForcedPWMMode
MODE/DATA =1
V
=1.8V
OUT2
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
Efficiency
I
-mA
OUT
PowerSaveMode
MODE/DATA =0
ForcedPWMMode
MODE/DATA =1
V
=3.6V
IN
V
=5V
IN
V
=3.3V
OUT2
V
=3.6V
IN
V
=5V
IN
SLVS676C – JUNE 2006 – REVISED JUNE 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
FIGURE NO.
Soft Start
27
EasyScale Protocol Overview
28
EasyScale Protocol Without Acknowledge
29
EasyScale Protocol Including Acknowledge
30
EasyScale – Bit Coding
31
MODE/DATA PIN: Mode Selection
32
MODE/DATA Pin: Power Save Mode / Interface Communication
33
Typical Application Circuit 1.5V / 2.85V Adjustable Outputs
34, 35
Layout Diagram
36
PCB Layout
37
EFFICIENCY VOUT1 = 1.1V
EFFICIENCY VOUT1 = 1.575V
Figure 1.
Figure 2.
EFFICIENCY VOUT2 = 1.8V
EFFICIENCY VOUT2 = 3.3V
Figure 3.
Figure 4.
8
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS62420 TPS62421
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