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

LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
TYPICAL APPLICATIO
2.2µF
332k
100k
ON OFF
7 _VIN
V_OUT ²
3 _{C1+ LTC3203/}
10 _C1– LTC3203B
10µF
1 _C2+
5
FB
8 _C2–
6 _MODE
4 _SHDN
47Ω
47Ω
47Ω
47Ω
47Ω
47Ω
GND
9, 11
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500mA (I_OUT), 1MHz to 1.6MHz Spread Spectrum
Step-Down Charge Pump
300mA (I_OUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
600mA (I_OUT), 1.5MHz Synchronous Step-Down
DC/DC Converter
600mA (I_OUT), 2MHz Synchronous Buck-Boost
DC/DC Converter
1.2MHz/2.7MHz with Internal Schottky
ThinSOT is a trademark of Linear Technology Corporation.
COMMENTS
Up to 16 White LEDs, V_IN: 1.6V to 18V, V_OUT(MAX) = 34V,
I_Q = 1.8mA, I_SD ≤ 1µA, 10-Lead MS Package
75% Efficiency, V_IN: 2.7V to 5.5V, V_OUT(MIN) = 1.5V/1.8V,
I_Q = 180µA, I_SD ≤ 10µA, MS8 Package
Up to 8 White LEDs, V_IN: 1V to 10V, V_OUT(MAX) = 34V, I_Q = 1.2mA,
I_SD ≤ 1µA, ThinSOT™ Package
Up to 4 White LEDs, V_IN: 2.5V to 10V, V_OUT(MAX) = 34V,
I_Q = 1.9mA, I_SD ≤ 1µA, ThinSOT, SC70 Packages
Up to 6 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 8mA,
I_SD ≤ 1µA, ThinSOT Package
Up to 6 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V,
I_Q = 6.5mA, I_SD ≤ 1µA, 10-Lead MS Package
Up to 8 White LEDs, V_IN: 2.7V to 4.5V, V_OUT(MAX) = 5V, I_Q = 5mA,
I_SD ≤ 1µA, 10-Lead MS Package
V_IN: 1.8V to 4.5V (LTC3204/LTC3204B-3.3), 2.7V to 5.5V
(LTC3204/LTC3204B-5), I_OUT = 50mA (LTC3204/LTC3204B-3.3),
150mA (LTC3204/LTC3204B-5) 6-Lead 2 × 2 DFN Package
92% Efficiency, V_IN: 2.8V to 4.5V, I_Q = 50µA, I_SD ≤ 1µA,
4mm x 4mm QFN Package
92% Efficiency, V_IN: 2.7V to 4.5V, I_Q = 180µA, I_SD ≤ 1µA,
4mm x 4mm QFN Package
85% Efficiency, V_IN: 3.1V to 5.5V, V_OUT: 0.9V to 1.6V, I_Q = 9µA,
I_SD ≤ 1µA, 10-Lead MS Package
95% Efficiency, V_IN: 2.7V to 6V, V_OUT(MIN) = 0.8V, I_Q = 20µA,
I_SD ≤ 1µA, ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 20µA,
I_SD ≤ 1µA, ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 2.5V, I_Q = 25µA,
I_SD ≤ 1µA, 10-Lead MS Package
Up to 6 White LEDs, V_IN: 12.7V to 16V, V_OUT(MAX) = 34V,
I_Q = 1.9mA, I_SD < 1µA, ThinSOT Package
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LT/LWI 1006 REV A • PRINTED IN USA
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