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IP2002 Datasheet(PDF) 3 Page - International Rectifier

Part No. IP2002
Description  Synchronous Buck Synchronous Buck Integrated Power Semiconductors, Drivers & Passives
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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3
iP2002
Pin Description Table
Pin Name
Ball Designator
Pin Function
VDD
A1 – A3, B1 – B3
Supply voltage for the internal circuitry.
VIN
A5 – A12, B5 – B12,
C5 - C10
Input voltage for the DC-DC converter.
PGND
C11, C12, D11, D12, E11,
E12, F6, F7, F12, G6, G7,
G12, H6, H7, H12, J6, J7, J12,
K5 – K7, K12, L5, L6, L12,
M5 – M7, M12
Power Ground - connection to the ground of
bulk and filter capacitors.
VSW
D5 – D10, E5 – E10,
F8 – F11, G8 – G11,
H8 – H11, J8 – J11,
K8 – K11, L8 – L11,
M8 – M11
Switching Node - connection to the output
inductor.
SGND
C1 – C3, D1 –D3, E1 –E3
Signal Ground.
ENABLE
F1
When set to logic level high, internal
circuitry of the device is enabled. When set
to logic level low, the PRDY pin is forced
low, the Control and Sychronous switches are
turned off, and the supply current is less than
10µA.
PRDY
K1
Power Ready - This pin indicates the status of
ENABLE or VDD. This output will be driven
low when ENABLE is logic low or when VDD
is less than 4.4V (typ.). When ENABLE is
logic high and VDD is greater than 4.4V
(typ.), this output is driven high. This output
has a 10mA source and 1mA sink capability.
PWM
H1
TTL-level input signal to MOSFET drivers.
NC
B4, C4, D4, E4, F2 – F4, G2 –
G4, H2 – H4, J1, J2 – J4, K3,
L1, L2, M1 – M4
This pin is not for electrical connection. It
should be attached only to dead copper.




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