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RT9971 датащи(PDF) 13 Page - Richtek Technology Corporation

номер детали RT9971
подробное описание детали  7 CH Power Management IC
PDF  22 Pages
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производитель  RICHTEK [Richtek Technology Corporation]
домашняя страница  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9971 датащи(HTML) 13 Page - Richtek Technology Corporation

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DS9971-01 April 2011
www.richtek.com
RT9971
CH5 Step-Up Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
1
10
100
Output Current (mA)
CH6 Inverting Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
1
10
100
Output Current (mA)
CH1 Step-Up Output Voltage vs. Output Current
5.050
5.055
5.060
5.065
5.070
5.075
5.080
0
100
200
300
400
500
600
Output Current (mA)
CH1 Step-Up Output Voltage vs. Output Current
3.25
3.27
3.29
3.31
3.33
3.35
0
100
200
300
400
500
600
Output Current (mA)
CH2 Step-Down Output Voltage vs. Output Current
3.300
3.305
3.310
3.315
3.320
3.325
3.330
3.335
3.340
0
100
200
300
400
500
600
Output Current (mA)
VDDM = 5V
VBAT = 4.5V
VBAT = 5V
VDDM = 3V
VBAT = 1.8V
VBAT = 4.5V
VDDM = 5V
VBAT = 3V
VBAT = 4.5V
CH7 Efficiency vs. Input Voltage
0
10
20
30
40
50
60
70
80
90
100
3.4 3.5 3.6 3.7 3.8 3.9
4
4.1 4.2 4.3 4.4 4.5
Input Voltage (V)
VDDM = 5V, L7 = 10
µH, C20 = 1µF, IOUT = 25mA
VDDM = 5V, VOUT_CH5 = 16V,
L5 = 10
µH, C16 = 10µF
VBAT = 4.5V
VBAT = 4.2V
VBAT = 3.9V
VBAT = 3.6V
VBAT = 3.4V
VDDM = 5V, VOUT_CH6 = -8V,
L6 = 10
µH, C18 = 10µFx2
VBAT = 3.4V
VBAT = 3.6V
VBAT = 3.9V
VBAT = 4.2V
VBAT = 4.5V



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