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| IR3832WM_15 Datasheet, PDF (5/32 Pages) International Rectifier – HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS | |||
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Recommended Operating Conditions
PD-97508
IR3832WMPbF
Symbol
Vin
Vcc
Boot to SW
Vo
Io
Fs
Tj
Definition
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
Min
Max
Units
1.0
16
4.5
5.5
4.5
5.5
V
0.6
0.90*Vin
0
4
A
225
1650
kHz
-40
125
oC
Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< Vcc<5.5V, Vp=0.6V, Vin=12V,
0oC<Tj< 125oC. Typical values are specified at Ta = 25oC.
Parameter
Symbol
Power Loss
Power Loss
Ploss
MOSFET Rds(on)
Top Switch
Bottom Switch
Rds(on)_Top
Rds(on)_Bot
Supply Current
VCC Supply Current (Standby)
Vcc Supply Current (Dyn)
ICC(Standby)
ICC(Dyn)
Under Voltage Lockout
VCC-Start-Threshold
VCC-Stop-Threshold
VCC_UVLO_Start
VCC_UVLO_Stop
Enable-Start-Threshold
Enable_UVLO_Start
Enable-Stop-Threshold
Enable leakage current
Enable_UVLO_Stop
Ien
Test Condition
Vcc=5V, Vin=12V, Vo=0.75V, Io=4A,
Fs=400kHz, L=1.5uH, Note4
VBoot -Vsw =5V, ID=10A, Tj=25oC
Vcc=5V, ID=10A, Tj=25oC
SS=0V, No Switching, Enable low
SS=3V, Vcc=5V, Fs=500kHz
Enable high
Vcc Rising Trip Level
Vcc Falling Trip Level
Supply ramping up
Supply ramping down
Enable=3.3V
Min
TYP MAX
0.51
22.6
29
15.1
20
500
10
3.95
4.15
4.35
3.65
3.85
4.05
1.14
1.2
1.36
0.9
1.0
1.06
15
Units
W
mΩ
μA
mA
V
μA
5
Rev 6.0
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