ltc1473l Linear Technology Corporation, ltc1473l Datasheet - Page 3

• Manufacturer Part Number: ltc1473l
• Description: Dual Low Voltage Powerpath Switch Driver
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: T
dissipation P
Note 3: Some tests are performed under more stringent conditions to
ensure reliable operation over the entire supply voltage range.
TYPICAL PERFOR A CE CHARACTERISTICS
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
250
200
150
100
T
50
J
0
– 60 – 40 –20
= T
0
DC Supply Current
vs Supply Voltage
V
vs Temperature
V
V
GS
J
A
SENSE +
+
is calculated from the ambient temperature T
1
= V
+ (P
Gate-to-Source ON Voltage
D
SAB
according to the following formula:
2
D
= V
)(150 C/W)
= 10V
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
SENSE –
3
0
4
V
= V
DIODE
20
5
+
6
= V
40
V
V
V
DIODE
IN1
IN1
IN2
7
60
= V
= 5V
= 0V
W
8
= 5V
IN2
80
1473 G01
1473 G04
= 0V
9
100
U
10
A
140
120
110
100
2.55
130
2.75
2.70
2.65
2.60
2.50
2.45
2.40
2.35
2.30
2.25
90
80
70
50
60
and power
– 50
– 60
Undervoltage Lockout Threshold (V
vs Temperature
DC Supply Current
vs Temperature
V
+
–40
= 5V
– 25
V
–20
DIODE
TEMPERATURE ( C)
TEMPERATURE ( C)
THRESHOLD
THRESHOLD
SHUTDOWN
0
START-UP
= V
0
V
IN1
IN2
25
20
Note 4: Digital inputs include: IN1, IN2 and DIODE.
Note 5: I
their common mode falls below 5V.
Note 6: Gate turn-on and turn-off times are measured with no inrush
current limiting, i.e., V
4.5V and fall times are measured from 4.5V to 1V. Delay times are
measured from the input transition to when the gate voltage has risen or
fallen to 3V. Results are not tested, but guaranteed by design.
= 5V
= 0V
40
50
S
60
increases by the same amount as I
75
80
1473 G02
1473 G05
100
100
+
)
SENSE
= 0V. Gate rise times are measured from 1V to
8.7
8.6
8.5
8.3
400
350
300
250
200
150
100
9.0
8.9
8.8
8.4
8.2
8.1
50
0
– 60
0
V
vs Temperature
DC Supply Current vs V
V
V
GS
GS
+
– 40
1
= 5V
Gate Supply Voltage
= V
2
GG
V
– 20
SENSE
– V
TEMPERATURE ( C)
3
BSENSE
+
0
COMMON MODE (V)
4
LTC1473L
V
V
V
V
+
20
+
DIODE
IN2
SENSE
5
+ I
= 5V
= 0V
BSENSE
6
40
+
= V
– V
IN1
SENSE
7
SENSE
60
–
= 5V
8
when
–
80
1473 G06
= 0V
1473 G03
9
3
100
10