LTC4253ACGN-ADJ#TR Linear Technology, LTC4253ACGN-ADJ#TR Datasheet - Page 4

• Manufacturer Part Number: LTC4253ACGN-ADJ#TR
• Description: IC,Power Control/Management,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Linear Technology

Specifications of LTC4253ACGN-ADJ#TR

• Family Name: LTC4253A-ADJ
• Package Type: SSOP N
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

LTC4253A-ADJ
temperature range, otherwise specifications are at T
SYMBOL
I
V
I
V
V
I
t
t
t
t
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
ELECTRICAL CHARACTERISTICS
4
TYPICAL PERFOR A CE CHARACTERISTICS
SQTMR
DRNL
PGH
SQ
SS
PLLUG
PHLOG
DRNL
DRNCL
PGL
13.5
14.5
14.0
13.0
12.5
12.0
–50 –25
V
I
IN
Z
vs Temperature
= 2mA
PARAMETER
SQTIMER Pin Current
DRAIN Pin Voltage Low Threshold
DRAIN Leakage Current
DRAIN Pin Clamp Voltage
PWRGD1, PWRGD2, PWRGD3 Signals
Output Low Voltage
PWRGD1, PWRGD2, PWRGD3
Output High Current
SQ Timer Default Ramp Period
SS Default Ramp Period
UV Low to GATE Low
OV High to GATE Low
0
TEMPERATURE (°C)
25
50
75
W
100
4253A G01
125
U
1000
100
0.1
10
1
CONDITIONS
SQTIMER On (Power Good Sequence, Sourcing),
V
SQTIMER On (Power Good Sequence, Sinking),
V
For PWRGD1, PWRGD2, PWRGD3 Status
V
I
I
I
V
SQTIMER Pin Floating,
V
SS Pin Floating, V
0
DRN
PG
PG
I
A
SQTMR
SQTMR
DRAIN
PG
SQTMR
IN
= 25°C. (Note 2)
= 1.6mA
= 5mA
vs V
= 0V (Sourcing)
= 50µA
T
T
T
T
= 4V
The
= 2V
= 2V
Ramps from 0.5V to 3.5V
A
A
A
A
IN
= 125°C
= 85°C
= 25°C
= –40°C
5
●
denotes the specifications which apply over the full operating
V
SS
IN
10
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
specified.
Ramps from 0.2V to 1.25V
(V)
15
4253A G02
20
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–50
I
IN
V
●
●
●
●
●
●
●
●
IN
vs Temperature
–25
= V
Z
MIN
– 0.3V
30
3
2
5
0
TEMPERATURE (°C)
EE
25
±0.1
2.39
0.25
TYP
140
250
unless otherwise
28
50
5
6
1
1
50
MAX
7.5
0.4
1.2
±1
70
75
7
3
5
5
100
4253a-adjf
4253A G03
UNITS
mA
125
µA
µA
µA
µs
µs
µs
µs
V
V
V
V