LTC3203 LINER [Linear Technology], LTC3203 Datasheet - Page 16

• Manufacturer Part Number: LTC3203
• Description: 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps
• Manufacturer: LINER [Linear Technology]

16
TYPICAL APPLICATIO
LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
RELATED PARTS
PART NUMBER
LT
LTC1911-1.5
LT1932
LT1937
LTC3200-5
LTC3201
LTC3202
LTC3204-3.3/LTC3204B-3.3 Low Noise Regulated Charge Pumps in 2 × 2 DFN
LTC3204-5/LTC3204B-5
LTC3205
LTC3206
LTC3251
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3440
LT3465/LT3465A
ThinSOT is a trademark of Linear Technology Corporation.
®
1618
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
ON OFF
2.2µF
●
FAX: [phone]
DESCRIPTION
Constant Current, Constant Voltage, 1.4MHz High
Efficiency Boost Regulator
250mA (I
Charge Pump
Constant Current, 1.2MHz High Efficiency White LED
Boost Regulator
Constant Current, 1.2MHz High Efficiency White LED
Boost Regulator
Low Noise, 2MHz Regulated Charge Pump White
LED Driver
Low Noise, 1.7MHz Regulated Charge Pump White
LED Driver
Low Noise, 1.7MHz Regulated Charge Pump White
LED Driver
(“B” Version Defeats Burst Mode Operation)
Multi-Display LED Controller
Highly Integrated Multi-Display LED Controller
500mA (I
Step-Down Charge Pump
300mA (I
DC/DC Converter
600mA (I
DC/DC Converter
600mA (I
DC/DC Converter
1.2MHz/2.7MHz with Internal Schottky
332k
100k
OUT
OUT
OUT
OUT
OUT
), 1.5MHz High Efficiency Step-Down
), 1MHz to 1.6MHz Spread Spectrum
), 1.5MHz Synchronous Step-Down
), 1.5MHz Synchronous Step-Down
), 2MHz Synchronous Buck-Boost
U
10
7
3
1
8
6
4
●
V
C1
C1
C2
C2
MODE
SHDN
IN
www.linear.com
+
–
+
–
LTC3203B
LTC3203/
GND
9, 11
V
OUT
FB
2
5
10µF
47Ω
COMMENTS
Up to 16 White LEDs, V
I
75% Efficiency, V
I
I
I
I
Up to 6 White LEDs, V
I
Up to 8 White LEDs, V
I
V
(LTC3204/LTC3204B-5), I
150mA (LTC3204/LTC3204B-5) 6-Lead 2 × 2 DFN Package
92% Efficiency, V
4mm x 4mm QFN Package
4mm x 4mm QFN Package
85% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
Up to 6 White LEDs, V
I
Up to 8 White LEDs, V
Up to 4 White LEDs, V
Up to 6 White LEDs, V
92% Efficiency, V
47Ω
Q
Q
SD
Q
SD
Q
SD
SD
SD
SD
SD
Q
IN
= 1.8mA, I
= 180µA, I
= 1.9mA, I
= 6.5mA, I
= 1.9mA, I
: 1.8V to 4.5V (LTC3204/LTC3204B-3.3), 2.7V to 5.5V
≤ 1µA, ThinSOT™ Package
≤ 1µA, ThinSOT Package
≤ 1µA, 10-Lead MS Package
≤ 1µA, 10-Lead MS Package
≤ 1µA, ThinSOT Package
≤ 1µA, ThinSOT Package
≤ 1µA, 10-Lead MS Package
47Ω
SD
SD
SD
SD
SD
≤ 1µA, 10-Lead MS Package
≤ 10µA, MS8 Package
≤ 1µA, ThinSOT, SC70 Packages
≤ 1µA, 10-Lead MS Package
< 1µA, ThinSOT Package
IN
IN
IN
IN
IN
IN
IN
47Ω
: 2.7V to 5.5V, V
: 2.8V to 4.5V, I
: 2.7V to 4.5V, I
: 3.1V to 5.5V, V
: 2.7V to 6V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
IN
IN
IN
IN
IN
IN
IN
: 1V to 10V, V
: 2.5V to 10V, V
: 2.7V to 4.5V, V
: 2.7V to 4.5V, V
: 2.7V to 4.5V, V
: 12.7V to 16V, V
: 1.6V to 18V, V
OUT
47Ω
© LINEAR TECHNOLOGY CORPORATION 2006
= 50mA (LTC3204/LTC3204B-3.3),
OUT(MIN)
Q
Q
LT/LWI 1006 REV A • PRINTED IN USA
OUT(MIN)
OUT
OUT(MIN)
OUT(MIN)
47Ω
= 50µA, I
= 180µA, I
OUT(MAX)
: 0.9V to 1.6V, I
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
= 0.8V, I
= 1.5V/1.8V,
= 0.6V, I
= 2.5V, I
SD
= 34V, I
SD
≤ 1µA,
= 34V,
= 5V, I
= 5V,
= 5V, I
= 34V,
≤ 1µA,
= 34V,
Q
= 20µA,
Q
Q
Q
Q
= 20µA,
= 25µA,
Q
Q
= 9µA,
= 1.2mA,
= 8mA,
= 5mA,
32031fa