lm2633mtd National Semiconductor Corporation, lm2633mtd Datasheet - Page 12

• Manufacturer Part Number: lm2633mtd
• Description: Advanced Two-phase Synchronous Triple Regulator Controller For Notebook Cpus
• Manufacturer: National Semiconductor Corporation

www.national.com
SYSTEM
I
I
V
I
V
I
I
V
V
V
I
I
V
V
V
V
V
vin
vin_sd
ilim_pos
ss_sc
ss_sk
delay
vid
V
V
V
vlin5
ilim_neg
ss_on
ssto
uvd
uvlo_thr
uvlo_hys
uvp1
uvp2, 3
ovp1
Electrical Characteristics
V
= T
Symbol
out1_load
out2_load
fb
CC
J
= +15V unless otherwise indicated under the Conditions column. Typicals and limits appearing in plain type apply for T
= +25˚C. Limits appearing in boldface type apply over −40˚C to +125˚C.
Channel 1 Load
Regulation (Note 17)
Channel 2 Load
Regulation (Note 17)
Line Regulation (for the
two switching regulators)
Input Supply Current
with the Switching
Channels ON
Input Supply Current
with the IC Shut Down
VLIN5 Output Voltage
ILIM1 and ILIM2 Pins
Sink Current
Negative Current Limit
(SWx vs PGNDx
voltage)
Soft Start Charge
Current
Soft Start Sink Current
Soft Start ON Threshold
Soft Start Timeout
Threshold
UV_DELAY Threshold
UV_DELAY Source
Current
VID4:0 Internal Pull Up
Current
VIN Under-voltage
Lockout (UVLO)
Threshold
VIN UVLO Hysteresis
Channel 1 V
Under-voltage Shutdown
Latch Threshold
(Measured at the FB1)
Channels 2 and 3 V
Undervoltage Shutdown
Latch Threshold
(Measured at the FB2
and FB3)
V
Shutdown Latch
Threshold for Channel 1
(Measured at the FB1)
OUT
Overvoltage
Parameter
OUT
OUT
V
VID4:0=01101
V
5.0V
V
(Note 18)
V
(Note 19)
I
30V
In UVLO or thermal shutdown
(Note 20)
VLIN5 = 5V (Note 21)
Rising Edge
VID4:0 = 01100
VID4:0 = 01100
VLIN5
COMP1
COMP2
FB
ON/SS1
= 0.9V, no VLIN5 DC Current
= 0 to 25mA, 5.5V
VIN
moves from 0.5V to 1.5V,
moves from 0.5V to 1.5V
= V
ON/SS2
Conditions
30V, VID4:0=01101
= 0V
12
<
VIN
<
Min
109
4.7
0.5
1.0
72
75
7
2.25
Typ
300
114
1.5
1.5
5.0
1.2
3.5
2.1
4.2
10
10
45
80
80
0
2
2
5
6
Max
120
2.5
5.3
9.0
4.6
18
13
13
84
87
5
%V
%V
%V
Units
mV
mV
mV
mA
mV
mV
µA
µA
µA
µA
µA
µA
V
V
V
V
V
OUT
OUT
OUT
A