參數(shù)資料
型號: TPS65920BZCHR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數(shù): 40/115頁
文件大?。?/td> 1232K
代理商: TPS65920BZCHR
SWCS037-018
VDD1EFFICIENCY vsOUTPUT CURRENT
Outputvoltage=1.3V,Vbat=3.6V
90
80
70
60
50
40
30
20
10
0
0.0001
0.001
0.01
0.1
1
ILOAD(A)
Ef
fciency(%)
SWCS037G
– MAY 2008 – REVISED APRIL 2011
Table 4-3. VDD1 dc-dc Regulator Characteristics (continued)
Parameter
Comments
Min
Typ
Max
Unit
Value
8
10
12
μF
External capacitor(5)
Equivalent series resistance (ESR) at
0
20
m
switching frequency
(5)
Under current load condition step:
Imax/2 (550 mA) in 100 ns with a
±20% external capacitor accuracy or
Imax/3 (367 mA) in 100 ns with a
±50% external capacitor accuracy
See Table 2-2 for how to connect the VDD1/2 dc-dc converter when it is not in use.
Figure 4-2 shows the efficiency of the VDD1 dc-dc regulator in active mode and sleep mode.
Figure 4-2. VDD1 dc-dc Regulator Efficiency
4.1.1.2
External Components and Application Schematics
Figure 4-3 is an application schematic with the external components on the VDD1 dc-dc regulator.
30
Power Module
Copyright
2008–2011, Texas Instruments Incorporated
focus.ti.com: TPS65930/TPS65920
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