LTC4253AIUF-ADJ Linear Technology, LTC4253AIUF-ADJ Datasheet - Page 7

• Manufacturer Part Number: LTC4253AIUF-ADJ
• Description: IC,Power Control/Management,CMOS,LLCC,20PIN,PLASTIC
• Manufacturer: Linear Technology

Specifications of LTC4253AIUF-ADJ

• Family Name: LTC4253A-ADJ
• Package Type: QFN EP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4mm
• Product Length (mm): 4mm
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

TYPICAL PERFOR A CE CHARACTERISTICS
7.0
6.8
6.6
6.4
6.2
6.0
5.8
5.6
5.4
5.2
5.0
9.0
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
60
58
56
54
52
50
48
46
44
42
40
–50
–50
–50
∆I
I
V
I
I
PGH
I
I
V
IN
IN
DRN
IN
DRNCL
TMRACC
PWRGD
= 2mA
= 2mA
–25
= 2mA
–25
–25
= 50µA
vs Temperature
= 0V
vs Temperature
/∆I
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
DRN
25
25
25
vs Temperature
50
50
50
75
75
75
W
100
100
100
4253A G25
4253A G22
4253A G28
125
125
125
U
0.00000001
0.0000001
0.00001
0.0001
0.001
0.01
200
190
180
170
160
150
140
130
120
110
100
4.5
4.0
3.5
3.0
2.5
2.0
1.0
1.5
0.5
100
0.1
10
0
1
–50
–50
1
SQTIMER Threshold
vs Temperature
I
t
I
DRN
SS
I
SS PIN FLOATING
V
I
IN
IN
IN
SS
= 2mA
= 2mA
= 2mA
–25
vs Temperature
–25
RAMPS FROM 0.2V TO 1.25V
2
vs V
4
DRAIN
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
6
V
V
V
25
25
SQTMRH
DRAIN
SQTMRL
8
50
50
(V)
10
75
75
T
T
T
T
12
A
A
A
A
= 125°C
= 85°C
= 25°C
= –40°C
100
100
4253A G23
4253A G26
14
4253A G29
125
125
16
2.30
2.60
2.55
2.50
2.45
2.40
2.35
2.25
2.20
300
290
280
270
260
250
240
230
220
210
200
2.2
2.0
1.5
1.0
0.5
0
–50
–50 –25
–50
V
LTC4253A-ADJ
t
V
I IN = 2mA
I
SQ
I
SQTMR PIN FLOATING
V
DRNL
IN
IN
PGL
SQTMR
= 2mA
–25
= 2mA
–25
vs Temperature
vs Temperature
vs Temperature
RAMPS FROM 0.5V TO 3.5V
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
I
I
I
PG
PG
PG
= 1.6mA
= 10mA
= 5mA
50
50
50
75
75
75
100
100
100
4253a-adjf
4253A G30
4253A G24
4253A G27
7
125
125
125