LTC2923IMS#TR Linear Technology, LTC2923IMS#TR Datasheet - Page 3

• Manufacturer Part Number: LTC2923IMS#TR
• Description: IC PWR SUPPLY CONTROLLER 10MSOP
• Manufacturer: Linear Technology

Specifications of LTC2923IMS#TR

• Applications: Power Supply Controller
• Voltage - Supply: 2.9 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Voltage - Input: -

ELECTRICAL CHARACTERISTICS
Specifications are at T
temperature range, otherwise specifications are at T
SYMBOL
V
I
∆V
I
V
V
V
I
V
I
V
V
V
t
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The GATE pin is internally limited to a minimum of 11.5V. Driving
this pin to voltages beyond the clamp may damage the part.
TYPICAL PERFOR A CE CHARACTERISTICS
ON
RAMP
ERROR(%)
FB(LEAK)
PSC
ON(FC)
RAMPBUF(OL)
RAMPBUF(OH)
OS
TRACKx
FB(CLAMP)
SDO(OL)
STATUS(OL)
DS(TH)
12
11
10
9
8
2
V
GATE
vs V
3
PARAMETER
ON Pin Fault Clear Threshold Voltage
ON Pin Input Current
FET Drain-Source Overcurrent Voltage Threshold
(V
RAMP Pin Input Current
RAMPBUF Low Voltage
RAMPBUF High Voltage (V
Ramp Buffer Offset (V
I
I
TRACK Pin Voltage
I
V
SDO Output Low Voltage
STATUS Output Low Voltage
Short-Circuit Propagation Delay V
to GATE Low
FBx
ERROR(%)
FB
FB
CC
CC
Leakage Current
Clamp Voltage
to I
– V
V
CC
TRACKx
RAMP
A
4
(V)
= (I
= 25°C unless otherwise noted.
)
FBx
Current Mismatch
– I
5
W
TRACKx
RAMPBUF
2923 G01
)/I
CC
U
6
TRACKx
– V
– V
RAMPBUF
DS
RAMP
High
)
15
10
)
5
0
A
0
V
= 25°C. 2.9V < V
GATE
The
vs I
CONDITIONS
V
0V < RAMP < V
I
I
V
I
I
I
I
V
1µA < I
I
I
V
RAMPBUF
RAMPBUF
TRACKx
TRACKx
TRACKx
TRACKx
SDO
STATUS
ON
RAMPBUF
FB
DS
GATE
●
= 1.5V, V
5
= V
= 1.2V, V
= 3mA
denotes the specifications which apply over the full operating
V
V
I
FB
CC
CC
GATE
CC
= –10µA
= –1mA
= –10µA
= –1mA
= 3mA
= 2mA
= –2mA
= 5.5V
= 2.9V
< 1mA
, V
= V
Note 3: All currents into the device pins are positive; all currents out of
device pins are negative. All voltages are referenced to ground unless
otherwise specified.
(µA)
CC
CC
CC
CC
CC
< 5.5V unless otherwise noted (Note 3).
CC
= 2.9V
/2, I
= 5.5V
10
= 5.5V
, V
RAMPBUF
CC
= 5.5V
2923 G02
= 0A
15
●
●
●
●
●
●
●
●
●
●
●
●
●
●
30
25
20
15
10
5
0
I
0
GATE
0.776
0.776
V
MIN
160
–30
0.3
1.5
GATE
1
vs V
= 5V
CC
TYP
200
100
0.4
0.8
0.8
1.7
0.2
0.2
90
±1
10
2
0
0
0
0
0
Fast Pull-Down
V
LTC2923
CC
3
(V)
0.824
0.824
±100
±100
MAX
240
150
200
0.5
0.4
0.4
±1
30
±5
±5
20
2
4
5
UNITS
2923 G03
2923fa
3
mV
mV
mV
mV
nA
µA
nA
µs
%
%
V
V
V
V
V
V
6