參數(shù)資料
型號(hào): TPS65058RGET
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.8 A DUAL SWITCHING CONTROLLER, 2475 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 4 X 4 MM, GREEN, PLASTIC, VQFN-32
文件頁(yè)數(shù): 26/26頁(yè)
文件大?。?/td> 1898K
代理商: TPS65058RGET
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V
=1.2V,
T =25°C,
PWMMode
O
A
3.8V
4.2V
3.4V
5V
0.0001
0.001
0.01
0.1
10
I
-OutputCurrent- A
O
1
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0.0001
0.001
0.01
0.1
10
I
-OutputCurrent- A
O
1
V
=1.2V,
T =25°C,
PFM/PWMMode
O
A
3.8V
4.2V
3.4V
5V
t Time=400ns/div
100
mA/div
100
mA/div
20
mV/div
CH4(IL DCDC2=600mA)
CH1(VDCDC1=3.3V)
CH2 (VDCDC2=1.2V)
20
mV/div
CH3(IL DCDC1=600mA)
Mode=High,
V =4.2V,
=25 C
I
TA
o
t Time=2 s/div
m
200
mA/div
200
mA/div
20
mV/div
CH4(IL DCDC1=80mA)
CH1(VDCDC1=3.3V)
CH2 (VDCDC2=1.2V)
20
mV/div
CH3(IL DCDC2=80mA)
Mode=Low,
V =4.2V,
=25 C
I
TA
o
www.ti.com................................................................................................................................................... SLVS851A – MAY 2008 – REVISED SEPTEMBER 2008
EFFICIENCY CONVERTER 2
vs
LOAD CURRENT PWM/PFM MODE
LOAD CURRENT PWM MODE
Figure 3.
Figure 4.
OUTPUT VOLTAGE RIPPLE
PFM MODE
PWM MODE
Figure 5.
Figure 6.
Copyright 2008, Texas Instruments Incorporated
9
Product Folder Link(s) :TPS65058
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