EXPOSED PAD (PIN 11) IS GND, PCB CONNECTION OPTIONAL
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 160°C/W
2
4380fb
For more information
www.linear.com/LTC4380
LTC4380
ORDER INFORMATION
LEAD FREE FINISH
LTC4380CDD-1#PBF
LTC4380IDD-1#PBF
LTC4380HDD-1#PBF
LTC4380CMS-1#PBF
LTC4380IMS-1#PBF
LTC4380HMS-1#PBF
LTC4380CDD-2#PBF
LTC4380IDD-2#PBF
LTC4380HDD-2#PBF
LTC4380CMS-2#PBF
LTC4380IMS-2#PBF
LTC4380HMS-2#PBF
LTC4380CDD-3#PBF
LTC4380IDD-3#PBF
LTC4380HDD-3#PBF
LTC4380CMS-3#PBF
LTC4380IMS-3#PBF
LTC4380HMS-3#PBF
LTC4380CDD-4#PBF
LTC4380IDD-4#PBF
LTC4380HDD-4#PBF
LTC4380CMS-4#PBF
LTC4380IMS-4#PBF
LTC4380HMS-4#PBF
TAPE AND REEL
LTC4380CDD-1#TRPBF
LTC4380IDD-1#TRPBF
LTC4380HDD-1#TRPBF
LTC4380CMS-1#TRPBF
LTC4380IMS-1#TRPBF
LTC4380HMS-1#TRPBF
LTC4380CDD-2#TRPBF
LTC4380IDD-2#TRPBF
LTC4380HDD-2#TRPBF
LTC4380CMS-2#TRPBF
LTC4380IMS-2#TRPBF
LTC4380HMS-2#TRPBF
LTC4380CDD-3#TRPBF
LTC4380IDD-3#TRPBF
LTC4380HDD-3#TRPBF
LTC4380CMS-3#TRPBF
LTC4380IMS-3#TRPBF
LTC4380HMS-3#TRPBF
LTC4380CDD-4#TRPBF
LTC4380IDD-4#TRPBF
LTC4380HDD-4#TRPBF
LTC4380CMS-4#TRPBF
LTC4380IMS-4#TRPBF
LTC4380HMS-4#TRPBF
http://www.linear.com/product/LTC4380#orderinfo
PART MARKING*
LGHQ
LGHQ
LGHQ
LTGHR
LTGHR
LTGHR
LGHS
LGHS
LGHS
LTGHT
LTGHT
LTGHT
LGXZ
LGXZ
LGXZ
LTGYD
LTGYD
LTGYD
LGYC
LGYC
LGYC
LTGYF
LTGYF
LTGYF
PACKAGE DESCRIPTION
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
4380fb
For more information
www.linear.com/LTC4380
3
LTC4380
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= OUT = SNS = DRN = 12V, unless otherwise noted.
SYMBOL
Supply
V
CC
V
OUT
I
Q
Operating Voltage Range
Operating Voltage Range
Total Supply Current
(Note 5)
C-Grade and I-Grade
H-Grade
V
CC
= OUT = SNS = DRN = 4V
l
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
LTC4380-1/LTC4380-2
LTC4380-3/LTC4380-4 (Note 6)
l
l
l
MIN
4
4
TYP
MAX
80
72
72
UNITS
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
mA
mA
8
l
l
11
12
20
28
35
10
9
12
25
30
1.4
5.5
12
80
–2
–5
22
l
l
I
CC
V
CC
Current, Shutdown
V
CC
Current
ON = OUT = SNS = 0V
6
7
V
CC
= OUT = SNS = DRN = 4V
l
20
l
I
SNS
I
OUT
I
R
Gate Drive
∆V
GATE
∆V
CLAMP
V
GATE
I
GATE(UP)
I
GATE(DN)
SNS Current
OUT Current
OUT Current, Shutdown
Reverse Input Current
C-Grade and I-Grade
H-Grade
V
CC
= –60V, ON Open, SEL = 0V
V
CC
= ON = SEL = –60V
SEL = SNS = OUT = V
CC
=12V
8V ≤ V
CC
≤ 30V; I
GATE
= –1µA, 0µA
V
CC
= 4V; I
GATE
= –1µA, 0µA
SNS = OUT = 20V, I
GATE
= 0µA
V
CC
= 30V, SEL = 0V (LTC4380-1/LTC4380-2)
V
CC
= 60V, SEL = V
CC
(LTC4380-1/LTC4380-2)
V
CC
= GATE = OUT = 12V, SEL = 0V
V
CC
= GATE = OUT = 24V, SEL = V
CC
∆V
SNS
= 200mV, GATE = 12V, OUT = 0V
ON = 0V, GATE = 20V
V
CC
= 3.5V, GATE = 10V
TMR = 2V, GATE = 10V
V
CC
= 12V, 24V, OUT = 6V, 12V
V
CC
= 12V, 24V, OUT = 0V
∆V
SNS
Steps from 0V to 250mV, OUT = 6V
∆V
SNS
Steps from 0V to 250mV, OUT = 0V
0.5
1.5
5
–0.4
–1.2
l
l
l
l
l
GATE Drive (GATE – OUT)
l
l
l
l
l
l
l
l
l
l
l
10
5
12
30
47.5
–10
–12
50
0.3
2
1.5
45
42
11.5
13.5
31.5
50
–20
–25
100
5
5
3.5
50
62
2
2
14
8
14.5
33
52.5
–30
–35
V
V
V
V
V
µA
µA
mA
mA
mA
mA
GATE Clamp to V
CC
(GATE – V
CC
)
GATE Clamp to GND
GATE Pull-Up Current
GATE Pull-Down Current
Overcurrent
Shutdown
Input UV
Fault Time Out
Current Limit Sense Voltage (SNS – OUT)
Overcurrent Turn-Off Propagation Delay
Current Limit
∆V
SNS
t
OFF(OC)
SEL,
FLT
I
SEL
V
SEL
I
FLT
V
FLT(LOW)
SEL Input Current
SEL Input Threshold
FLT
Leakage Current
FLT
Output Low
FLT
= 80V
I
SINK
= 0.1mA
I
SINK
= 3mA
SEL = 0V to 80V
l
l
l
l
l
l
l
l
l
55
95
4
4
±0.1
mV
mV
µs
µs
µA
V
µA
V
V
0.4
0.1
1
3
2
0.5
4
4
4380fb
For more information
www.linear.com/LTC4380
LTC4380
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= OUT = SNS = DRN = 12V, unless otherwise noted.
SYMBOL
TMR, DRN
∆V
DRN
V
DS(MAX)
I
TMR(DN)
I
TMR(UP)
DRN Voltage (DRN – OUT)
Overvoltage V
DS
Threshold (DRN – OUT)
TMR Pull-Down Current
TMR Pull-Up Current, Overvoltage
Small OV, Light Load
High OV, Light Load
Small OV, Heavy Load
High OV, Heavy Load
TMR Pull-Up Current, Overcurrent
I
DRN
= 0.1mA, OUT = SNS = 12V
TMR = 0.8V, I
DRN
= 2µA
SNS = OUT = 12V
TMR = 0.8V
TMR = 2V
OUT = 28V, TMR = 0.8V
I
DRN
= 0.1mA, ∆V
SNS
= 10mV
I
DRN
= 1mA, ∆V
SNS
= 10mV
I
DRN
= 0.1mA, ∆V
SNS
= 40mV
I
DRN
= 1mA, ∆V
SNS
= 40mV
TMR = 0.8V
I
DRN
= 0mA, OUT = 11V
I
DRN
= 0mA, OUT = 0V
I
DRN
= 0.1mA, OUT = 11V
I
DRN
= 1mA, OUT = 11V
I
DRN
= 0.1mA, OUT = 0V
I
DRN
= 1mA, OUT = 0V
TMR Rising
∆V
SNS
= 40mV, I
DRN
= 500µA, OUT = 28V, V
CC
=
80V
I
DRN
= 500µA
OUT = 0V, V
CC
= 14V
OUT = 6V, V
CC
= 14V
V
ON
= 1V
ON Rising
ON Steps from 0V to 1.5V, OUT = SNS = 0V
ON Steps from 1.5V to 0V, OUT = SNS = V
CC
l
l
l
l
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
0.7
0.6
0.3
1.25
–1
–0.8
–3.5
–13
–10
–60
–4
–17
–16
–80
–35
–130
1.178
TYP
1.5
0.7
2
–2
–1.6
–6.7
–30
–20
–120
–6
–27
–27
–142
–50
–170
1.215
2.8
0.1
MAX
2.5
0.8
1.0
2.75
–3
–2.4
–11.6
–61
–30
–180
–9
–34
–38
–200
–60
–220
1.251
3.5
0.2
UNITS
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
V
%
%
I
TMR(UP,COOL)
TMR Pull-Up Current, Cool Down
TMR = 0.8V, OUT = 11V, I
DRN
= 5µA, ∆V
SNS
= 0mV
l
l
l
l
l
l
l
l
l
l
l
l
Small OV, Light Load
High OV, Light Load
Small OV, Heavy Load
High OV, Heavy Load
V
TMR(F)
D
TMR Gate Off Threshold
Retry Duty Cycle; Overvoltage,
LTC4380-2/LTC4380-4
Retry Duty Cycle; Overcurrent,
LTC4380-2/LTC4380-4
ON
I
ON
V
ON
V
ON(HYST)
t
ON(ON)
t
OFF(ON)
ON Input Current
ON Input Threshold
ON Input Hysteresis
Turn-On Propagation Delay
Turn-Off Propagation Delay
∆V
SNS
= 40mV, I
DRN
= 5µA, OUT = 28V, V
CC
= 29V
l
l
l
l
0.1
0.35
–1
0.99
–2
1.05
45
5
1
0.2
0.7
%
%
µA
l
l
1.1
25
5
V
mV
ms
µs
l
l
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specified.
Note 3:
Internal clamps limit the DRN pin to a minimum of 10V above the
OUT and SNS pins.
Note 4:
Internal clamps limit the GATE pin to a minimum of 10V above the
OUT pin or V
CC
pin, or 50V (SEL = V
CC
) or 31.5V (SEL = GND) above the
GND pin (LTC4380-1/LTC4380-2). Driving this pin to voltages beyond the
clamp may damage the device.
Note 5:
Total supply current is the sum of the current into the V
CC
, OUT,
SNS and DRN pins.
Note 6:
Operating voltage is limited by the maximum GATE voltage of 86V.
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