Datasheet

LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
2
32031fa
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/
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
(Note 1)
V
IN
, V
OUT
to GND ......................................... –0.3V to 6V
MODE, V
SEL
/FB, SHDN ..................... –0.3V to V
IN
+0.3V
V
OUT
Short Circuit Duration ............................. Indefinite
I
OUT
(Note 2)....................................................... 500mA
Operating Temperature Range (Note 3) ... –40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
ORDER PART NUMBER DD PART MARKING
T
JMAX
= 125°C,θ
JA
= 44°C/W,θ
JC
= 3°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
*V
SEL
ON LTC3203-1/LTC3203B-1. FB ON LTC3203/LTC3203B
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC3203EDD
LTC3203EDD-1
LTC3203BEDD-1
LTC3203BEDD
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
C1
–
GND
C2
–
V
IN
MODE
C2
+
V
OUT
C1
+
SHDN
V
SEL
/FB*
11
LBQK
LCFH
LCGY
LCGX
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
LTC3203/LTC3203-1/LTC3203B/LTC3203B-1
V
IN
Input Voltage Range ● 2.7 5.5 V
I
SHDN
Shutdown Current SHDN = 0V, V
OUT
= 0V ● 1 µA
R
OL
Open Loop Output 2x Mode (Note 4), V
IN
= 2.7V, V
OUT
= 4.5V 2.0 3.0 Ω
Impedance 1.5x Mode (Note 4), V
IN
= 3.6V, V
OUT
= 4.5V 1.5 2.6 Ω
f
OSC
CLK Frequency Oscillator Free Running, 2x Mode 1.0 MHz
Oscillator Free Running, 1.5x Mode 0.9 MHz
V
MODEH
MODE Input High Voltage ● 0.874 0.91 0.946 V
V
MODEL
MODE Input Low Voltage ● 0.788 0.82 0.852 V
V
SHDNH
SHDN Input High Voltage ● 1.3 V
V
SHDNL
SHDN Input Low Voltage ● 0.4 V
I
MODEH
MODE Input High Current ● –1 1 µA
I
MODEL
MODE Input Low Current ● –1 1 µA
I
SHDNH
SHDN Input High Current ● –1 1 µA
I
SHDNL
SHDN Input Low Current ● –1 1 µA
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full specified temperature
range, otherwise specifications are at 25°C. V
IN
= 3.6V, C1 = C2 = 2.2 µ F unless otherwise specified.