Datasheet

LTC2914
3
2914fc
For more information www.linear.com/LTC2914
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2914CGN-2#PBF LTC2914CGN-2#TRPBF 29142 16-Lead Plastic SSOP 0°C to 70°C
LTC2914IGN-2#PBF LTC2914IGN-2#TRPBF 2914I2 16-Lead Plastic SSOP –40°C to 85°C
LTC2914HGN-2#PBF LTC2914HGN-2#TRPBF 2914H2 16-Lead Plastic SSOP –40°C to 125°C
Consult LT C Marketing for parts specified with wider operating temperature ranges.*The temperature grade is identified by a label on the shipping container
Consult LT C Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 3.3V, VLn = 0.45V, VHn = 0.55V, LATCH = V
CC
, SEL = V
CC
,
DIS = Open unless otherwise noted. (Note 2)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
SHUNT
V
CC
Shunt Regulator Voltage I
CC
= 5mA
l
6.2 6.6 6.9 V
–40ºC < T
A
< 125ºC
l
6.2 6.6 7.0 V
ΔV
SHUNT
V
CC
Shunt Regulator Load Regulation I
CC
= 2mA to 10mA
l
200 300 mV
V
CC
Supply Voltage (Note 3)
l
2.3 V
SHUNT
V
V
CCR(MIN)
Minimum V
CC
Output Valid DIS = 0V
l
1 V
V
CC(UVLO)
Supply Undervoltage Lockout V
CC
Rising, DIS = 0V
l
1.9 2 2.1 V
ΔV
CC(UVHYST)
Supply Undervoltage Lockout Hysteresis DIS = 0V
l
5 25 50 mV
I
CC
Supply Current V
CC
= 2.3V to 6V
l
62 100 µA
V
REF
Reference Output Voltage I
VREF
= ±1mA
l
0.985 1 1.015 V
–40ºC < T
A
< 125ºC
l
0.985 1 1.020 V
V
UOT
Undervoltage/Overvoltage Voltage Threshold
l
492 500 508 mV
t
UOD
Undervoltage/Overvoltage Voltage Threshold
to Output Delay
VHn = V
UOT
– 5mV or VLn = V
UOT
+ 5mV
l
50 125 500 µs
I
VHL
VHn, VLn Input Current
l
±15 nA
–40ºC < T
A
< 125ºC
l
±30 nA
t
UOTO
UV/OV Time-Out Period C
TMR
= 1nF
l
6 8.5 12.5 ms
–40ºC < T
A
< 125ºC
l
6 8.5 14 ms
V
LATCH(IH)
OV Latch Clear Input High
l
1.2 V
V
LATCH(IL)
OV Latch Clear Threshold Input Low
l
0.8 V
I
LATCH
LATCH Input Current V
LATCH
> 0.5V
l
±1 µA
V
DIS(IH)
DIS Input High
l
1.2 V
V
DIS(IL)
DIS Input Low
l
0.8 V
I
DIS
DIS Input Current V
DIS
> 0.5V
l
1 2 3 µA
I
TMR(UP)
TMR Pull-Up Current V
TMR
= 0V
l
–1.3 –2.1 –2.8 µA
–40ºC < T
A
< 125ºC
l
–1.2 –2.1 –2.8 µA
I
TMR(DOWN)
TMR Pull-Down Current V
TMR
= 1.6V
l
1.3 2.1 2.8 µA
–40ºC < T
A
< 125ºC
l
1.2 2.1 2.8 µA
elecTrical characTerisTics