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MC33470 Datasheet(PDF) 4 Page - ON Semiconductor

Part # MC33470
Description  Synchronous Rectification DC/DC Converter Programmable Integrated Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC33470 Datasheet(HTML) 4 Page - ON Semiconductor

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MC33470
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ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, PVCC , = 12 V for typical values TA = Low to High [Notes 8, 9, 10],
for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OVERTEMPERTURE OUTPUT
Threshold For Logic “1” to “0” Transition (OUTEN Voltage Decreasing)
VthOUTEN
1.85
2.0
2.2
V
Delay Time
tDOT
25
50
100
ms
Sink Current (VOL = 0.5 V)
IOLF
10
mA
LOGIC INPUTS (VID0, VID1, VID2, VID3, VID4)
Input Low State
VIL
0.8
V
Input High State
VIH
3.5
V
Input Impedance
Rin
10
k
W
OUTPUT ENABLE CONTROL (OUTEN)
Over−Temperature Driver Disable and Reset (OUTEN Voltage Decreasing)
(Note 11)
VOTDD
1.55
1.70
1.85
V
OUTPUT SECTIONS (G1, G2)
Source Resistance (Vsense = 2.0 V, VG = PVCC − 1.0 V)
Sink Resistance (Vsense = 0 V, VG = 1.0 V)
PV
CC
ROH
ROL
0.5
0.5
W
Output Voltage with OUTEN Reset (Isink = 1.0 mA)
VOL
0.1
0.5
V
Output Voltage Rise Time (CL = 10 nF, TJ = 25°C)
tr
70
140
ns
Output Voltage Fall Time (CL = 10 nF, TJ = 25°C)
tf
70
140
ns
G1, G2 Non−Overlap Time (CL = 10 nF, TJ = 25°C)
tNOL
30
150
210
ns
TOTAL DEVICE
Minimum Operating Voltage After Turn−On (PVCC Decreasing)
PV
CC
PV
CC min
10.8
V
Minimum Operating Voltage After Turn−On (VCC Decreasing)
VCC min
3.0
4.25
V
VCC Current (Note 12) (OUTEN and PVCC open, VID0, 1, 2, 3, 4 Floating)
PV
CC
ICC
3.7
8.0
mA
PVCC Current (OUTEN = 5.0 V, VID0, 1, 2, 3, 4 Open, PVCC = 12 V)
PV
CC
PV
CC
PI
CC
15
mA
8. Maximum package power dissipation limits must be observed.
9. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
10. VID1, VID3, VID4 = logic 0, and VID0, VID2 = logic 1.
11. OUTEN is internally pulled low if VID0, 1, 2, 3, and 4 are floating.
12. Due to internal pullup resistors, there will be an additional 0.5 mA per pin if any of the VID0, 1, 2, 3, or 4 pins are pulled low.
PV
CC


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