參數(shù)資料
型號： TPS62400DRCTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數(shù)： 42/43頁
文件大?。?/td> 1155K
代理商： TPS62400DRCTG4
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
I
mA
OUT
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
V
=1.1V
OUT1
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
=1.575V
OUT1
I
mA
OUT
V
=2.7V
IN
V
=5V
IN
V
=3.6V
IN
V
=2.7V
IN
V
=3.6V
IN
V
=5V
IN
SLVS681E – JUNE 2006 – REVISED APRIL 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
FIGURE NO.
TPS62401 DEF1_pin Function for Output Voltage Selection
28
Typical Operation VIN = 3.6V, VOUT1 = 1.575V, VOUT2 = 1.8V
29
Typical Operation VIN = 3.6V, VOUT1 = 1.8V, VOUT2 = 3.0V
30
Typical Operation VIN = 3.6V, VOUT1 = 1.2V, VOUT2 = 1.2V
31
VOUT1 Change With EasyScale
32
Dynamic Voltage Positioning
33
Soft Start
34
EasyScale Protocol Overview
35
EasyScale Protocol Without Acknowledge
36
EasyScale Protocol Including Acknowledge
37
EasyScale – Bit Coding
38
MODE/DATA PIN: Mode Selection
39
MODE/DATA Pin: Power Save Mode / Interface Communication
40
Typical Application Circuit 1.5V / 2.85V Adjustable Outputs, low PFM
41
voltage ripple optimized
Typical Application Circuit 1.5V / 2.85V Adjustable Outputs
42
TPS62401 Fixed 1.575V/1.8 V Outputs, low PFM voltage ripple optimized
43
TPS62401 Fixed 1.1V/1.8 V Outputs, low PFM voltage ripple optimized
44
TPS62401 Fixed 1.575V/1.8 V Outputs
45
Dynamic Voltage Scaling on Vout1 Controlled by DEF_1 pin
46
TPS62403 1.575V/2.8V Outputs
47
Layout Diagram
48
PCB Layout
49
EFFICIENCY TPS62401 VOUT1 = 1.1V
EFFICIENCY TPS62401 VOUT1 = 1.575V
Figure 1.
Figure 2.
8
Copyright 2006–2010, Texas Instruments Incorporated
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