參數(shù)資料
型號(hào): TPS65270RGET
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 1400 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, PLASTIC, VQFN-24
文件頁(yè)數(shù): 19/20頁(yè)
文件大?。?/td> 1432K
代理商: TPS65270RGET
1.15
1.16
1.17
1.18
1.19
1.2
1.21
1.22
1.23
1.24
1.25
0
0.5
1
1.5
2
2.5
3
3.5
4
PWM, Vout2, Vin = 12 V
PSM, Vout2, Vin = 12 V
1.75
1.77
1.79
1.81
1.83
1.85
0
0.5
1
1.5
2
2.5
3
`
PWM, Vout1, Vin = 12 V
PSM, Vout2, Vin = 12 V
50
55
60
65
70
75
80
85
90
95
0
0.5
1
1.5
2
2.5
3
3.5
V = 12 V
I
V = 15 V
I
V = 4.5 V
I
0
0.5
1
1.5
2
2.5
3
0
10
20
30
40
50
60
70
80
90
100
V = 12 V
I
V = 15 V
I
V = 4.5 V
I
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
0.05
0.1
0.15
0.2
Forced PWM
Vin = 12 V Vout1 = 3.3 V auto PSM-PWM
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
0.05
0.1
0.15
0.2
Vin = 12 V Vout2 = 5 V auto PSM-PWM
Forced PWM
SLVSAX7
– AUGUST 2011
TYPICAL CHARACTERISTICS
TA = 25°C, VIN = 12 V, fSW = 625 kHz (unless otherwise noted)
Figure 1. Load Regulation
Figure 2. Load Regulation
Buck 1 at 1.8 V, 1% Resistors
Buck 1 at 1.2 V, 1% Resistor s
Figure 3. Efficiency
Figure 4. Efficiency
Buck 1 at 3.3 V
Buck 2 at 1 V
Figure 5. Efficiency
Figure 6. Efficiency
Buck 1 at 3.3 V
Buck 2 at 5 V
8
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s): TPS65270
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