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MB39A136 Datasheet(PDF) 13 Page - Cypress Semiconductor

Part # MB39A136
Description  2ch PFM/PWM DC/DC Converter IC with Synchronous Rectification
PDF  50 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

MB39A136 Datasheet(HTML) 13 Page - Cypress Semiconductor

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MB39A136
Document Number: 002-08376 Rev. *A
Page 13 of 50
(Continued)
Oscillation frequency vs.
Operating ambient temperature
Dead time vs.
Operating ambient temperature
Operating ambient temperature Ta (°C)
Operating ambient temperature Ta(°C)
tD1 : period from DRVL off to DRVH on
tD2 : period from DRVH off to DRVL on
Oscillation frequency vs. Timing resistor value
VB bias voltage vs. VB bias output current
Timing resistor value RRT (k)
VB bias output current IVB (A)
Maximum duty cycle vs.
Power supply voltage
Maximum duty cycle vs.
Operating ambient temperature
Power supply voltage VVCC (V)
Operating ambient temperature Ta (°C)
-40
-20
0
+20
+40
+60
+80
+100
475
480
485
490
495
500
505
VCC = 15 V
-40
-20
0
+20
+40
+60
+80
+100
30
40
50
60
70
80
90
VCC = 15 V
fosc = 500 kHz
tD2
tD1
VCC = 15 V
Ta = + 25°C
1000
100
10
100
1000
fosc = 500 kHz
Ta = + 25°C
-0.025
-0.02
VCC = 6 V
VCC = 5 V
VCC = 4.5 V
-0.01
-0.015
-0.005
0
5.5
6
5
4.5
4
3.5
3
2.5
2
fosc = 500 kHz
Ta = + 25°C
CH2
CH1
80
79
78
77
76
75
010
20
30
-40
-20
0
+20
+40
+60
+80
+100
75
76
77
78
79
80
VCC = 15 V
fosc = 500 kHz
CH2
CH1



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