LTC1473IGN Linear Technology, LTC1473IGN Datasheet - Page 3

• Manufacturer Part Number: LTC1473IGN
• Description: IC SWITCH DVR PWRPATH DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PowerPath™r

Specifications of LTC1473IGN

• Applications: Handheld/Mobile Devices
• Fet Type: N-Channel
• Number Of Outputs: 2
• Internal Switch(s): No
• Delay Time - On: 22µs
• Delay Time - Off: 1µs
• Voltage - Supply: 4.75 V ~ 30 V
• Current - Supply: 100µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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: I
their common mode falls below 5V.
TYPICAL PERFORMANCE CHARACTERISTICS
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
160
140
120
100
T
80
60
40
20
J
0
– 50
= T
0
DC Supply Current
vs Supply Voltage
V
vs Temperature
V
S
GS
J
A
+
increases by the same amount as I
is calculated from the ambient temperature T
– 25
+ (P
= V
5
Gate-to-Source ON Voltage
D
SAB
according to the following formula:
V
D
DIODE
10
)(150 C/W)
=20V
0
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
= V
15
V
25
IN1
IN2
V
V
V
20
DIODE
IN1
SENSE +
= 5V
= 0V
50
= V
25
= 5V
IN2
= V
75
= 0V
SENSE –
30
W
100
35
1473 G04
1473 G01
= V
U
125
+
BSENSE
40
+
+ I
A
140
120
110
100
BSENSE
130
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
and power
90
80
70
50
60
– 50
– 50
Undervoltage Lockout Threshold (V
vs Temperature
DC Supply Current
vs Temperature
V
–
+
V
– 25
– 25
when
= 20V
DIODE
= V
THRESHOLD
0
START-UP
TEMPERATURE ( C)
0
TEMPERATURE ( C)
V
V
IN1
IN2
IN1
V
= 5V
= 0V
= V
25
25
DIODE
IN2
Note 4: 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.
THRESHOLD
SHUTDOWN
= 5V
= 0V
50
50
75
75
100
100
1473 G02
1473 G05
125
125
+
SENSE
)
= 0V. Gate rise times are measured from 1V to
9.0
8.8
8.7
8.6
8.5
8.3
8.9
8.4
8.2
8.1
500
450
400
350
300
250
200
150
100
– 50
0
DC Supply Current vs V
V
vs Temperature
V
V
GS
+
GS =
– 25
2.5
= 20V
Gate Supply Voltage
V
GG
|V
5
SENSE
– V
0
TEMPERATURE ( C)
+
7.5
| COMMON MODE(V)
25
V
SENSE +
10
LTC1473
50
V
DIODE
12.5
– V
SENSE
75
SENSE –
= V
15
V
V
IN1
IN2
+
100
1473 • TPC02.5
= 20V
17.5
1473 G03
= 5V
= 0V
= 0V
3
125
20