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PM6675AS 数据表(PDF) 13 Page - STMicroelectronics

部件名 PM6675AS
功能描述  High efficiency step-down controller with embedded 2 A LDO regulator
PDF  48 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6675AS 数据表(HTML) 13 Page - STMicroelectronics

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PM6675AS
Typical operating characteristics
13/48
6
Typical operating characteristics
Figure 4.
Efficiency vs output load
FSW = 330 kHz VOUT=1.5 V,
VIN = 24 V
Figure 5.
Switching frequency vs output
current, VOUT = 1.5 V, VIN = 24 V
Figure 6.
Switching frequency vs input
voltage, VOUT = 1.5 V, IVOUT = 2 A,
forced PWM mode
Figure 7.
VOUT load regulation, VIN = 24 V
Figure 8.
LOUT load regulation
LDOIN = VOUT, VOUT in forced
PWM mode
Figure 9.
VOUT = 1.5 V, VIN = 24 V,
IVOUT = 0 A, pulse-skip mode
VOUT - Efficiency
0
10
20
30
40
50
60
70
80
90
100
0.001
0.010
0.100
1.000
10.000
Current [A]
Forced PWM
Pulse Skip
Non Audible PS
SW Frequency VS VOUT Load
0
100
200
300
400
500
0.010
0.100
1.000
10.000
Current [A]
Forced PWM
Pulse Skip
Non Audible PS
SW Frequency VS Input Voltage
250
350
450
550
414
24
34
Voltage [V]
VOUT - Load Regulation
1.500
1.505
1.510
1.515
1.520
1.525
1.530
1.535
1.540
0.001
0.010
0.100
1.000
10.000
Current [A]
Forced PWM
Pulse Skip
Non Audible PS
LOUT - Load Regulation
1.020
1.030
1.040
1.050
1.060
1.070
1.080
1.090
-1.500
-1.000
-0.500
0.000
0.500
1.000
1.500
Current [A]



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