參數(shù)資料
型號: TPS62260DDC
廠商: Texas Instruments, Inc.
英文描述: 2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
中文描述: 2.25兆赫600毫安降壓轉(zhuǎn)換器2x2SON/TSOT-23包
文件頁數(shù): 9/32頁
文件大小: 951K
代理商: TPS62260DDC
www.ti.com
1.746
1.764
1.782
1.8
1.818
1.836
1.854
V
-
O
0.01
0.1
1
10
100
1000
I
- Output Current - mA
O
V
= 2 V
IN
= 2.7 V
IN
V
V
= 3 V
V
= 3.6 V
V
= 4.5 V
IN
IN
IN
T
= -40°C,
V
= 1.8 V,
MODE = V ,
L = 2.2 H
A
OUT
m
1.746
1.764
1.782
1.8
1.818
1.836
1.854
V
-
O
0.01
0.1
1
10
100
1000
I
- Output Current - mA
O
V
= 2.3 V
IN
V
= 2.7 V
V
= 3 V
V
= 3.6 V
V
= 4.5 V
IN
IN
IN
IN
T
= 85°C,
V
= 1.8 V,
MODE = V ,
L = 2.2 H
A
OUT
m
Time Base - 10 s/Div
V
3.6V
V
1.8V, I
150mA
L 2.2 H, C
m
10 F 0603
m
IN
OUT
OUT
OUT
V
10 mV/Div
OUT
SW 2 V/Div
I
COIL
200 mA/Div
Time Base - 1 s/Div
MODE
2V/Div
SW
2V/Div
I
200mA/Div
coil
V
= 3.6 V
V
= 1.8 V
I
= 10 mA
IN
OUT
OUT
PFM Mode
Forced PWM Mode
TPS62260, TPS62261, TPS62262
SLVS763–JUNE 2007
OUTPUT VOLTAGE ACCURACY (PWM Mode)
vs
OUTPUT CURRENT
OUTPUT VOLTAGE ACCURACY (PWM Mode)
vs
OUTPUT CURRENT
Figure 11.
Figure 12.
MODE PIN TRANSITION FROM PFM
TO FORCED PWM MODE AT LIGHT LOAD
TYPICAL OPERATION (PWM Mode)
Figure 13.
Figure 14.
9
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