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IR3870MBF Datasheet(PDF) 6 Page - International Rectifier

Part # IR3870MBF
Description  10A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
PDF  20 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3870MBF Datasheet(HTML) 6 Page - International Rectifier

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6
IR3870MBF
Electrical Specifications (continued)
Unless otherwise specified, these specification apply over VIN = 12V, PVCC = 7VDC, 0oC
≤ TJ ≤ 125oC.
PARAMETER
NOTE
TEST CONDITION
MIN
TYP
MAX
UNIT
GATE DRIVE
Dead time
1
Monitor body diode conduction on
PHASE pin
5
30
ns
UPPER MOSFET
Static Drain-to-Source On-
Resistance
PVCC =5V, ID =10A, TJ =25
oC
14.7
mΩ
Static Drain-to-Source On-
Resistance
PVCC =5V, ID =10A, TJ =125
oC
26
mΩ
Static Drain-to-Source On-
Resistance
PVCC =7V, ID =10A, TJ =25
oC
11.9
mΩ
Static Drain-to-Source On-
Resistance
PVCC =7V, ID =10A, TJ =125
oC
22
mΩ
Diode Forward Voltage
VGS =0V, IS =10A, TJ =25
oC
1.0
V
LOWER MOSFET
Static Drain-to-Source On-
Resistance
PVCC =5V, ID =10A, TJ =25
oC
6.2
mΩ
Static Drain-to-Source On-
Resistance
PVCC =5V, ID =10A, TJ =125
oC
11
mΩ
Static Drain-to-Source On-
Resistance
PVCC =7V, ID =10A, TJ =25
oC
5.1
mΩ
Static Drain-to-Source On-
Resistance
PVCC =7V, ID =10A, TJ =125
oC
9
mΩ
Diode Forward Voltage
VGS =0V, IS =10A, TJ =25
oC
1.0
V
CHARGE PUMP OUTPUT
Source Resistance
ICPO =15mA
3.3
5
Ω
Sink Resistance
ICPO =15mA
1
2.1
Ω
Charge Pump Disable
Threshold, VCP TH
6.7
7.2
V
LOGIC INPUT AND OUTPUT
EN Rising Threshold
1.13
1.21
1.29
V
EN Hysteresis
40
100
160
mV
EN Input Current
1
μA
PGOOD pull down resistance
IPGOOD =2mA
50
100
Ω
Notoe1: Guaranteed by design, not tested in production



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