LTC3202EMS Linear Technology, LTC3202EMS Datasheet - Page 3

• Manufacturer Part Number: LTC3202EMS
• Description: IC LED DRVR WHITE BCKLGT 10-MSOP
• Manufacturer: Linear Technology
• Type: Backlight, White LEDr

Specifications of LTC3202EMS

• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1.5MHz
• Voltage - Supply: 2.7 V ~ 4.5 V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 125mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Efficiency: -

TYPICAL PERFOR A CE CHARACTERISTICS
0.21
0.20
0.19
0.63
0.60
0.57
160
140
120
100
80
60
40
20
0
2.7
2.7
V
(200mV Setting)
0
V
(600mV Setting)
Input Current vs Load Current
FB
V
C
T
I
V
V
I
V
FB
LOAD
LOAD
A
IN
IN
D0
D1
D0
= 25 C
Set Point vs Input Supply
= 3.6V
= C
Set Point vs Input Supply
= V
= 0V
= V
3.0
3.0
= 20 A
= 60 A
20
OUT
T
IN
D1
A
T
V
A
= 25 C, 85 C
= V
OUT
LOAD CURRENT (mA)
= C
= 85 C
INPUT SUPPLY (V)
INPUT SUPPLY (V)
3.3
3.3
W
IN
FLY1
= 4.5V
40
= C
3.6
3.6
V
T
U
OUT
FLY2
A
T
= –40 C
A
60
= 4V
= 1 F
= –40 C
3.9
3.9
T
A
= 25 C
80
4.2
4.2
3202 G01
3202 G03
3202 G05
100
4.5
4.5
0.42
0.40
0.38
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.9
1.7
1.5
1.3
1.1
0.9
2.7
2.7
0
Oscillator Frequency vs Supply
Voltage
V
(400mV Setting)
V
V
C
V
T
I
V
V
FB
LOAD
FB
A
D0
IN
OUT
D0
D1
= 25 C
= C
= V
= 0V
= V
Set Point vs Input Supply
3.0
vs Load Current
3.0
25
– V
= 40 A
T
OUT
D1
IN
A
FB
= 85 C
= V
SUPPLY VOLTAGE (V)
= C
LOAD CURRENT (mA)
= 3.4V
INPUT SUPPLY (V)
3.3
T
3.3
50
IN
A
FLY1
= 85 C
T
= C
A
3.6
3.6
75
= 25 C
FLY2
T
A
T
A
= –40 C
= –40 C
= 1 F
V
3.9
100
3.9
T
IN
A
= 3V
= 25 C
V
IN
4.2
125
4.2
= 3.2V
3202 G02
3202 G06
3202 G04
LTC3202
4.5
150
4.5
3202fa
3