LT4220CGN Linear Technology, LT4220CGN Datasheet - Page 4

• Manufacturer Part Number: LT4220CGN
• Description: IC CNTRLR DUAL HOT SWAP 16-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT4220CGN

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 2.7 V ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC ELECTRICAL CHARACTERISTICS
LT4220
SYMBOL
t
t
t
t
t
t
t
t
t
t
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
TYPICAL PERFOR A CE CHARACTERISTICS
4
temperature range, otherwise specifications are at T
PHLON +
PLHON +
PHLFB +
PLHFB +
PHLON –
PLHON –
PHLFB –
PLHFB –
SENSE +
SENSE –
4
2
1
0
3
0
Supply Current vs Supply Voltage
T
A
= 25 C
PARAMETER
ON
ON
FB
FB
ON
ON
FB
FB
SENSE
SENSE
+
+
–
–
+
+
–
–
5
Low to PWRGD Low
High to PWRGD High
Low to PWRGD Low
High to PWRGD High
Low to GATE
High to GATE
Low to GATE
High to GATE
SUPPLY VOLTAGE (V)
+
–
to GATE
to GATE
10
+
–
I
+
–
CC
+
Low
Low
–
I
EE
Low
Low
High
High
15
W
4220 G01
U
20
CONDITIONS
5k Pull-Up to GATE
5k Pull-Up to GATE
5k Pull-Up to PWRGD
5k Pull-Up to PWRGD
5k Pull-Up to GATE
5k Pull-Up to GATE
5k Pull-Up to PWRGD
5k Pull-Up to PWRGD
1nF On GATE
1nF On GATE
50
40
30
20
10
0
–1.5
A
Positive Circuit Breaker Sense
Voltage vs FB
V
V
ON
ON
T
= 25 C. V
CC
EE
A
+
–
= 25 C
= –5V
= 5V
–1.0
= 2V
= –2V
+
–
, 100mV Step, 5k Pull-Up
, 100mV Step, 5k Pull-Up
–0.5
CC
FB
The
+
+
+
–
–
+
= 5V, V
, 1nF Load Capacitor
, 1nF Load Capacitor
, 1nF Load Capacitor
, 1nF Load Capacitor
VOLTAGE (V)
Voltage
pins are negative. All voltages referenced to ground (GND) unless
specified.
Note 3: The absolute voltage difference between FB
force either the GATE
0
denotes the specifications which apply over the full operating
EE
0.5
= –5V, unless otherwise noted.
1.0
4220 G02
1.5
+
or GATE
–
60
50
40
30
20
10
0
current to 0 A.
–1.5
Negative Circuit Breaker Sense
Voltage vs FB
MIN
0.6
0.6
0.5
0.6
0.6
0.6
0.8
1
1
1
–1.0
–0.5
FB
1.25
1.25
TYP
0.8
1.5
0.8
2.1
–
1
1
4
4
–
VOLTAGE (V)
+
Voltage
and FB
0
MAX
1.2
1.2
1.5
3.5
1.5
0.5
–
3
3
2
6
6
required to
V
V
ON
ON
T
A
CC
EE
1.0
+
–
= 25 C
= –5V
= 5V
= 2V
= –2V
UNITS
4220 G03
4220f
1.5
s
s
s
s
s
s
s
s
s
s