LTC3220EPF#PBF Linear Technology, LTC3220EPF#PBF Datasheet - Page 5

• Manufacturer Part Number: LTC3220EPF#PBF
• Description: IC LED DRVR QVGA DISPLAY 28UTQFN
• Manufacturer: Linear Technology
• Type: QVGA Display (I²C Interface)r

Specifications of LTC3220EPF#PBF

• Topology: Open Drain, Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 18
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: LED Blinker
• Frequency: 850kHz ~ 1.05MHz
• Voltage - Supply: 2.9 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-UTQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Efficiency: 91%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
0.75
0.70
0.65
0.60
0.50
0.45
0.40
0.30
0.80
0.55
0.35
7.5
6.5
5.5
4.5
3.5
2.5
1.5
4.9
3.7
3.5
4.7
4.5
4.3
4.1
3.9
3.3
3.1
2.9
–40
–40
2.9
1x Mode Switch Resistance
vs Temperature
2x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
V
vs V
IN
–25 –10
–25 –10
Shutdown Current
V
IN
IN
Voltage
= 3.6V
3.55
T
5
A
5
TEMPERATURE (°C)
TEMPERATURE (°C)
= 85°C
20 35 50 65 80 95 110
20
VOLTAGE (V)
35
4.2
50 65 80
T
A
V
V
= 125°C
IN
IN
= 3.9V
= 3.3V
4.85
T
A
T
A
= –40°C
95
= 25°C
110 125
3220 G10
3220 G07
3220 G04
5.5
125
4.5
4.3
4.1
3.9
3.5
3.3
3.1
2.9
2.7
2.5
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.2
4.4
4.3
3.0
2.5
2.0
1.5
1.0
0.5
0
–40
1.5
0
1.5x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
DV
2x Mode CPO Voltage vs I
RST = SDA = DV
–25 –10 5
CC
60
Current vs DV
2.5
f
SCL
TEMPERATURE (°C)
120
DV
20 35 50
= 100kHz
CC
CC
3.3V-3.6V
I
f
CPO
SCL
VOLTAGE (V)
180
3.5
(mA)
= 400kHz
CC
65
240
f
Voltage
SCL
80 95 110
4.5
3.2V
= 10kHz
CPO
3.1V
300
T
3220 G05
3220 G08
3220 G11
A
3V
= 25°C unless otherwise noted.
125
360
5.5
LTC3220/LTC3220-1
610
605
600
595
590
585
580
810
800
790
780
770
760
750
740
730
4.8
4.6
4.4
4.2
4.0
3.8
3.6
2.9
2.9
0
1.5x Mode CPO Voltage vs I
Oscillator Frequency
vs V
1x Mode No Load V
vs V
IN
IN
60
T
Voltage
Voltage
3.55
A
3.55
3V
3.1V
= 85°C
3.2V
120
V
V
IN
3.3V
IN
3.4V
I
VOLTAGE (V)
CPO
VOLTAGE (V)
T
180
T
4.2
A
4.2
A
(mA)
= 25°C
= 125°C
IN
T
240
A
Current
= –45°C
3.6V
4.85
4.85
300
CPO
3.5V
3220 G06
3220 G12
3220 G09
32201fc
5
360
5.5
5.5