LTC2927CTS8#TRM Linear Technology, LTC2927CTS8#TRM Datasheet - Page 3

• Manufacturer Part Number: LTC2927CTS8#TRM
• Description: IC POWER SUPPLY CTRLR TSOT23-8
• Manufacturer: Linear Technology

Specifications of LTC2927CTS8#TRM

• Applications: Power Supply Controller
• Voltage - Supply: 2.9 V ~ 5.5 V
• Current - Supply: 560µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-8, TSOT-8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -
• Other names: LTC2927CTS8

ELECTRICAL CHARACTERISTICS
SYMBOL
V
I
V
ΔV
V
ΔV
I
I
V
V
V
I
V
I
V
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
temperature range, otherwise specifi cations are at T
TYPICAL PERFORMANCE CHARACTERISTICS
CC
ON
RAMP
ERROR(%)
FB(LEAK)
TRACK
CC
CC(UVLO)
ON(TH)
RAMPBUF(OL)
RAMPBUF(OH)
OS
FB(CLAMP)
SDO(OL)
CC(UVHYST)
ON(HYST)
750
550
500
700
650
600
2.5
I
CC
I
I
TRACK
RAMBUF
vs V
3.0
= I
= 0mA
PARAMETER
Supply Voltage
Supply Current
Supply Undervoltage Lockout
Supply Undervoltage Lockout Hysteresis
ON Pin Threshold Voltage
ON Pin Hysteresis
ON Pin Input Current
RAMP Pin Input Current
RAMPBUF Output Low Voltage
RAMPBUF Output High Voltage,
V
Ramp Buffer Offset,
V
I
I
TRACK Pin Voltage
FB Pin Leakage Current
FB Pin Clamp Voltage
SDO Output Low Voltage
CC
FB
FB
ERROR(%)
RAMPBUF(OH)
OS
3.5
= 0mA
to I
= V
TRACK
4.0
RAMPBUF
V
CC
= (I
(V)
4.5
Current Mismatch
FB
= V
– I
– V
CC
5.0
TRACK
RAMP
– V
RAMPBUF
5.5
)/I
TRACK
2927 G01
6.0
4.70
4.65
4.60
4.55
4.50
4.45
A
CONDITIONS
I
I
V
V
V
0V < V
0V < V
I
I
V
I
I
I
I
V
1μA < I
I
2.5
I
FB
FB
RAMPBUF
RAMPBUF
TRACK
TRACK
TRACK
TRACK
SDO
CC
ON
ON
RAMP
FB
CC
= 25°C. 2.9V < V
I
I
TRACK
RAMBUF
= 0mA, I
= –1mA, I
= 2V, V
Rising
Rising
= 1.2V, V
vs V
= 1mA, V
3.0
RAMP
RAMP
= –10μA
= –1mA
= –10μA
= –1mA
The
= V
FB
= I
= –2mA
CC
= 1mA
= –1mA
< 1mA
FB
CC
CC
3.5
TRACK
l
= –1mA
< V
< V
/2, I
TRACK
CC
= 5.5V
CC
denotes the specifi cations which apply over the full operating
CC
CC
= 5.5V
RAMPBUF
4.0
= 2.3V
V
, Ramp On
, Ramp Off
= 0mA
CC
= –1mA, I
Note 2: All currents into the device pins are positive; all currents out of
device pins are negative. All voltages are referenced to ground unless
otherwise specifi ed.
CC
(V)
4.5
< 5.5V unless otherwise noted (Note 2).
= 0mA
5.0
RAMPBUF
5.5
2927 G02
= –1mA
6.0
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
820
780
770
810
800
790
–50
V
TRACK
1.210
MIN
0.25
0.77
0.77
–30
2.9
2.2
1.5
30
–9
3
9
–25
vs Temperature
TEMPERATURE (°C)
0
1.230
0.800
0.800
0.56
TYP
–10
3.6
2.5
0.1
25
75
10
20
45
±1
0
0
0
0
2
LTC2927
25
1.250
±100
±100
MAX
0.82
0.82
150
–11
100
150
5.5
1.2
4.2
2.7
2.3
0.4
11
30
±5
±5
50
75
UNITS
2927fb
3
2927 G03
mA
mA
mV
mV
mV
mV
mV
100
nA
μA
μA
nA
%
%
V
V
V
V
V
V
V