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LP87702 датащи(PDF) 14 Page - Texas Instruments

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номер детали LP87702
подробное описание детали  LP87702 Dual Buck Converter and 5-V Boost With Diagnostic Functions
PDF  98 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

LP87702 датащи(HTML) 14 Page - Texas Instruments

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6.7 Typical Characteristics
Unless otherwise specified: VIN = 3.3 V, TA = 25°C, ƒSW -setting 4 MHz, L0 = L1 = 0.47 µH (TOKO
DFE252012PD-R47M), L2 = 1 µH (TFM252012ALMA1R0), COUT_BUCK = 22 µF, and CPOL_BUCK = 22 µF,
COUT_BOOST = 22 µF. Measurements are done using connections in the Figure 8-1.
Input Voltage (V)
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
0
0.5
1
1.5
2
2.5
3
3.5
4
D016
V(NRST) = 0 V
Figure 6-2. Shutdown Current Consumption vs
Input Voltage
Input Voltage (V)
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
0
5
10
15
20
25
30
D015
V(NRST) = 1.8 V
Regulators disabled
Figure 6-3. Standby Current Consumption vs Input
Voltage
Input Voltage (V)
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
40
45
50
55
60
65
70
75
80
85
90
D013
VOUT = 1.2 V
Load = 0 mA
Figure 6-4. Active State Current Consumption vs
Input Voltage, One Buck Converter Enabled in PFM
Mode
Input Voltage (V)
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
0
5
10
15
20
25
30
35
40
45
50
D012
VOUT = 1.2 V
Load = 0 mA
Figure 6-5. Active State Current Consumption vs
Input Voltage, One Buck Converter Enabled in
PWM Mode
Input Voltage (V)
2.8
3
3.2
3.4
3.6
3.8
4
0
5
10
15
20
25
30
35
40
45
50
D014
VOUT = 5.0 V
Load = 0 mA
Figure 6-6. Active State Current Consumption vs Input Voltage, Boost Converter Enabled in PWM Mode
LP87702
SNVSBU3 – MARCH 2021
www.ti.com
14
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Product Folder Links: LP87702



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