Datasheet

2
LT1510/LT1510-5
Supply Voltage (V
MAX
)............................................ 30V
Switch Voltage with Respect to GND ...................... –3V
Boost Pin Voltage with Respect to V
CC
................... 30V
Boost Pin Voltage with Respect to GND ................. –5V
V
C
, PROG, OVP Pin Voltage ...................................... 8V
I
BAT
(Average)........................................................ 1.5A
Switch Current (Peak)............................................... 2A
Storage Temperature Range ................. –65°C to 150°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
Operating Ambient Temperature Range
Commercial ............................................. 0°C to 70°C
Extended Commercial (Note 7)........... –40°C to 85°C
Industrial (Note 8) .............................. –40°C to 85°C
Operating Junction Temperature Range
LT1510C (Note 7)............................. –40°C to 125°C
LT1510I ............................................ –40°C to 125°C
Lead Temperature (Soldering, 10 sec)..................300°C
PACKAGE/ORDER INFORMATION
W
U
U
LT1510CS8
LT1510IS8
ORDER PART
NUMBER
LT1510CGN
LT1510-5CGN
LT1510CN
LT1510CS
LT1510-5IGN
LT1510IGN
LT1510IN
LT1510IS
ORDER PART
NUMBER
1
2
3
4
5
6
7
8

TOP VIEW
N PACKAGE
16-LEAD PDIP
GN PACKAGE
16-LEAD PLASTIC SSOP
16
15
14
13
12
11
10
9

**GND
SW
BOOST
GND
OVP
SENSE
GND
**GND
GND**
V
CC2

V
CC1

PROG
V
C

BAT
GND
GND**
S PACKAGE*
16-LEAD PLASTIC SO
GN PART MARKING
15105
15105I
1510
1510I
*V
CC1
AND V
CC2
SHOULD BE CONNECTED TOGETHER
CLOSE TO THE PINS.
** FOUR CORNER PINS ARE FUSED TO INTERNAL DIE
ATTACH PADDLE FOR HEAT SINKING. CONNECT
THESE FOUR PINS TO EXPANDED PC LANDS FOR
PROPER HEAT SINKING.
T
JMAX
= 125°C, θ
JA
= 125°C/ W
1
2
3
4
8
7
6
5

TOP VIEW
SW
BOOST
GND
SENSE
V
CC

PROG
V
C

BAT
S8 PACKAGE
8-LEAD PLASTIC SO
S8 PART MARKING
1510
1510I
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
V
CC
= 16V, V
BAT
= 8V, V
MAX
(maximum operating V
CC
) = 28V, no load on any outputs, unless otherwise noted. (Notes 7, 8)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Overall
Supply Current V
PROG
= 2.7V, V
CC
≤ 20V ● 2.90 4.3 mA
V
PROG
= 2.7V, 20V < V
CC
≤ V
MAX
● 2.91 4.5 mA
DC Battery Current, I
BAT
(Note 1) 8V ≤ V
CC
≤ 25V, 0V ≤ V
BAT
≤ 20V, T
J
< 0°C ● 0.91 1.09 A
R
PROG
= 4.93k ● 0.93 1.0 1.07 A
R
PROG
= 3.28k (Note 4) ● 1.35 1.5 1.65 A
R
PROG
= 49.3k ● 75 100 125 mA
T
J
< 0°C ● 70 130 mA
V
CC
= 28V, V
BAT
= 20V
R
PROG
= 4.93k ● 0.93 1.0 1.07 A
R
PROG
= 49.3k ● 75 100 125 mA
T
JMAX
= 125°C, θ
JA
= 80°C/ W (GN)
T
JMAX
= 125°C, θ
JA
= 75°C/ W (N)
T
JMAX
= 125°C, θ
JA
= 50°C/ W (S)*