MAX1910EUB+T Maxim Integrated Products, MAX1910EUB+T Datasheet - Page 3

• Manufacturer Part Number: MAX1910EUB+T
• Description: IC LED DRVR WHITE BCKLGT 10-MSOP
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1910EUB+T

• Topology: Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 625kHz ~ 875kHz
• Voltage - Supply: 2.7 V ~ 5.3 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 80mA
• Internal Switch(s): Yes
• Number Of Segments: 4
• Operating Supply Voltage: 2.7 V to 5.3 V
• Maximum Supply Current: 2.5 mA
• Maximum Power Dissipation: 444 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details

V
OUT
V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
IN
0
ELECTRICAL CHARACTERISTICS (continued)
(V
noted.) (Note 1)
(Circuit of Figure 2, V
Note 1: Limits to -40°C are guaranteed by design, not production tested.
Output Leakage Current in Shutdown
SET Regulation Point
SET Input Current
SHDN Input Current
SHDN Input Voltage Low
SHDN Input Voltage High
QUIESCENT CURRENT vs. INPUT VOLTAGE
0
IN
INPUT AND OUTPUT VOLTAGE RIPPLE
I
OUT
= 3.6V, GND = 0, SHDN = SET = IN, C
0.5 1.0 1.5
= 60mA
INPUT VOLTAGE (V)
PARAMETER
2.0
1 s/div
2.5
_______________________________________________________________________________________
IN
3.0
= 3.3V, T
3.5
4.0
A
4.5
= +25°C, unless otherwise noted.)
20mV/div
1.5x/2x High-Efficiency White LED
V
SHDN = 0 or 5.5V
2.7V < V
2.7V < V
V
140
120
100
OUT
V
IN
80
60
40
20
IN
0
IN
= 3.6V, SHDN = 0
2.7
= 2.2µF, C1 = C2 = 0.47µF, C
INPUT AND OUTPUT VOLTAGE RIPPLE
CIRCUIT OF FIGURE 7
DRIVING 4 LEDS (60mA)
LED CURRENT vs. INPUT VOLTAGE
IN
IN
3.0
< 5.3V
< 5.3V
INPUT VOLTAGE (V)
3.3
1 s/div
3.6
CONDITIONS
3.9
Typical Operating Characteristics
4.2
OUT
4.5
20mV/div
= 2.2µF, T
V
V
LOGIC
SHDN
V
V
I
OUT
OUT
SET
I
IN
Charge Pumps
A
INTENSITY CHANGE STEP RESPONSE
= -40°C to +85°C, unless otherwise
START-UP INPUT CURRENT AND
CIRCUIT OF FIGURE 9
MIN
0.19
1.6
OUTPUT VOLTAGE
40 s/div
1ms/div
MAX
0.21
100
0.4
10
1
MAX1910/12 toc03
MAX1910/12 toc06
UNITS
µA
nA
µA
V
V
V
5V/div
2V/div
50mA/div
2V/div
100mV/div
60mA
20mA
3