参数资料
型号: TPS65070TRSLRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 0.4 MM PITCH, PLASTIC, QFN-48
文件页数: 16/90页
文件大小: 1375K
代理商: TPS65070TRSLRQ1
V
=5V,
V
LDO1:3.6V-5V-3.6V,
LOAD=40mA
bat
IN
V
LDO1(Offset:1.8V)
OUT
V
LDO1(Offset:3V)
IN
900
950
1000
1050
1100
1150
1200
0.1
1
10
100
R
-k
Iset
W
K
set
2.8
3.2
3.6
4
4.4
4.8
5.2
5.6
6
V -InputVoltage-V
I
0
10
20
30
40
50
60
70
80
90
100
wLED-Efficiency-%
2x6LEDs
20mA each
25%dutycycle
50%dutycycle
75%dutycycle
100%dutycycle
0
10
20
30
40
50
60
70
80
90 100
DutyCycle-%
5V
3.6V
3V
2x6LEDs
20mA each
0
10
20
30
40
50
60
70
80
90
100
wLED-Efficiency-%
www.ti.com
SLVSAP7 – JANUARY 2011
KSET
vs
LINE TRANSIENT RESPONSE LDO1
RISET
Figure 21.
Figure 22.
wLED EFFICIENCY
vs
Duty Cycle
Vin
Figure 23.
Figure 24.
Copyright 2011, Texas Instruments Incorporated
23
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