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LM2633 Datasheet(PDF) 12 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza LM2633
Descripción Electrónicos  Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
PDF  40 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2633 Datasheet(HTML) 12 Page - National Semiconductor (TI)

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Electrical Characteristics
V
CC = +15V unless otherwise indicated under the Conditions column. Typicals and limits appearing in plain type apply for TA
=T
J = +25˚C. Limits appearing in boldface type apply over −40˚C to +125˚C.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
SYSTEM
∆V
out1_load
Channel 1 Load
Regulation (Note 17)
V
COMP1 moves from 0.5V to 1.5V,
VID4:0=01101
0mV
∆V
out2_load
Channel 2 Load
Regulation (Note 17)
V
COMP2 moves from 0.5V to 1.5V
1.5
mV
∆V
fb
Line Regulation (for the
two switching regulators)
5.0V
≤ VIN ≤ 30V, VID4:0=01101
2mV
I
vin
Input Supply Current
with the Switching
Channels ON
V
FB = 0.9V, no VLIN5 DC Current
(Note 18)
1.5
2.5
mA
I
vin_sd
Input Supply Current
with the IC Shut Down
V
ON/SS1 =VON/SS2 =0V
(Note 19)
10
18
µA
V
vlin5
VLIN5 Output Voltage
I
VLIN5 = 0 to 25mA, 5.5V < VIN <
30V
4.7
5.0
5.3
V
I
ilim_pos
ILIM1 and ILIM2 Pins
Sink Current
7
10
13
µA
V
ilim_neg
Negative Current Limit
(SWx vs PGNDx
voltage)
45
mV
I
ss_sc
Soft Start Charge
Current
0.5
2.25
5
µA
I
ss_sk
Soft Start Sink Current
In UVLO or thermal shutdown
2
µA
V
ss_on
Soft Start ON Threshold
1.2
V
V
ssto
Soft Start Timeout
Threshold
(Note 20)
3.5
V
V
uvd
UV_DELAY Threshold
VLIN5 = 5V (Note 21)
2.1
V
I
delay
UV_DELAY Source
Current
1.0
5
9.0
µA
I
vid
VID4:0 Internal Pull Up
Current
613
µA
V
uvlo_thr
VIN Under-voltage
Lockout (UVLO)
Threshold
Rising Edge
4.2
4.6
V
V
uvlo_hys
VIN UVLO Hysteresis
300
mV
V
uvp1
Channel 1 V
OUT
Under-voltage Shutdown
Latch Threshold
(Measured at the FB1)
VID4:0 = 01100
72
80
84
%V
OUT
V
uvp2, 3
Channels 2 and 3 V
OUT
Undervoltage Shutdown
Latch Threshold
(Measured at the FB2
and FB3)
VID4:0 = 01100
75
80
87
%V
OUT
V
ovp1
V
OUT Overvoltage
Shutdown Latch
Threshold for Channel 1
(Measured at the FB1)
109
114
120
%V
OUT
www.national.com
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