Datasheet
LT6557
2
6557fa
ELECTRICAL CHARACTERISTICS
Total Supply Voltage (V
S
+
to GND) ...........................7.5V
Input Current ........................................................±10mA
Output Current (Note 2) .......................................±70mA
Output Short-Circuit Duration (Note 2) ............ Indefi nite
Operating Temperature Range (Note 3) ... –40°C to 85°C
Specifi ed Temperature Range (Note 4) .... –40°C to 85°C
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
S
= 5V, R
L
= 150Ω to V
S
/2, V
EN
= 0.4V, R
BCV
= open, unless
otherwise noted.
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
EN
GND
IN R
GND R
IN G
GND G
IN B
GND B
BCV
V
+
OUT R
V
+
R
OUT G
V
+
G
OUT B
V
+
B
G = +2
G = +2
G = +2
T
JMAX
= 150°C, θ
JA
= 110°C/W
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
BCV
V
+
OUT R
V
+
R
OUT G
V
+
G
OUT B
V
+
B
EN
GND
IN R
GND R
IN G
GND G
IN B
GND B
TOP VIEW
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
G = +2
G = +2
G = +2
T
JMAX
= 125°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER GN PART MARKING ORDER PART NUMBER DHC PART MARKING*
LT6557CGN
LT6557IGN
6557
6557I
LT6557CDHC
LT6557IDHC
6557
6557
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Junction Temperature
SSOP ................................................................ 150°C
DFN ................................................................... 125°C
Storage Temperature Range
SSOP ................................................. –65°C to 150°C
DFN .................................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP ................................................................ 300°C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
IN
= 1.25V
●
12
15
40
50
mV
mV
I
IN
Input Current V
IN
= 1.25V
●
35
45
70
100
µA
µA
R
IN
Input Resistance V
IN
= 0.75V to 1.75V, BCV (Pin 6) Open
●
90
50
200
150
kΩ
kΩ
C
IN
Input Capacitance f = 1MHz 1.5 pF
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PACKAGE/ORDER INFORMATION