LTC3203_15 Datasheet, PDF (2/16 Pages) Linear Technology – 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps

LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
ABSOLUTE AXI U RATI GS
(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
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
C2⁺ 1
V_OUT 2
C1⁺ 3
SHDN 4
V_SEL/FB* 5
10 C1^–
9 GND
11
8 C2^–
7 V_IN
6 MODE
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
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
ORDER PART NUMBER DD PART MARKING
LTC3203EDD
LTC3203EDD-1
LTC3203BEDD-1
LTC3203BEDD
LBQK
LCFH
LCGY
LCGX
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 specified with wider operating temperature ranges.
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 = 2.2µF unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
LTC3203/LTC3203-1/LTC3203B/LTC3203B-1
V_IN
I_SHDN
R_OL
f_OSC
Input Voltage Range
Shutdown Current
Open Loop Output
Impedance
CLK Frequency
●
2.7
5.5
V
SHDN = 0V, V_OUT = 0V
●
2x Mode (Note 4), V_IN = 2.7V, V_OUT = 4.5V
1.5x Mode (Note 4), V_IN = 3.6V, V_OUT = 4.5V
1
µA
2.0
3.0
Ω
1.5
2.6
Ω
Oscillator Free Running, 2x Mode
Oscillator Free Running, 1.5x Mode
1.0
MHz
0.9
MHz
V_MODEH
V_MODEL
V_SHDNH
V_SHDNL
I_MODEH
I_MODEL
I_SHDNH
I_SHDNL
MODE Input High Voltage
MODE Input Low Voltage
SHDN Input High Voltage
SHDN Input Low Voltage
MODE Input High Current
MODE Input Low Current
SHDN Input High Current
SHDN Input Low Current
● 0.874 0.91 0.946
V
● 0.788 0.82 0.852
V
●
1.3
V
●
0.4
V
●
–1
1
µA
●
–1
1
µA
●
–1
1
µA
●
–1
1
µA
32031fa
2