LM2759SD/NOPB National Semiconductor, LM2759SD/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM2759SD/NOPB
• Description: IC LED DRIVER PHOTO FLASH 12-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Photo Flash LED (I²C Interface)r

Specifications of LM2759SD/NOPB

• Constant Current: Yes
• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Frequency: 700kHz ~ 1.3MHz
• Voltage - Supply: *
• Voltage - Output: 2 V ~ 4 V
• Mounting Type: Surface Mount
• Package / Case: 12-LLP
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 90%
• Led Driver Application: Camera Flash In Mobile Phones, Flash For Digital Cameras
• No. Of Outputs: 1
• Output Current: 1A
• Output Voltage: 5.1V
• Input Voltage: 2.7V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM2759SDTR

I
I
V
V
R
F
V
V
I
I
LED
FLASH
Q
SD
Symbol
SW
GDX
OUT
IH
IL
OUT
Absolute Maximum Ratings
3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Caution Notice
National Semiconductor recommends that all integrated circuits be handled with appropriate ESD precautions. Failure to observe
proper ESD handling techniques can result in damage to the device.
Electrical Characteristics
Limits in standard typeface are for T
C
V
V
Strobe, TX, SDA, SCL, I
Voltage to GND
Continuous Power Dissipation
(Note
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temp. (Soldering)
ESD
Human Body Model
TX
≤
IN
= 0V, V
T
pin: Voltage to GND
J
Rating(Note
4)
≤
+125 °C). Unless otherwise noted, specifications apply to the LM2759 Typical Application Circuit (pg.1) with V
LED Current Sink
Accuracy
Max Flash Output Current Flash Mode
Gain Transition Voltage
Threshold on I
Output Voltage
x1 Mode Output
Impedance
1.5x Mode Output
Impedance
x2 Mode Output
Impedance
Switching Frequency
Input Logic High
Input Logic Low
Quiescent Current
Shutdown Current
STROBE
Parameter
6)
= 0V, C
SINK
SINK
J-MAX
IN
= C
pins:
)
1
= C
J
= 25°C. Limits in boldface type apply over the full operating junction temperature range (-30°
2
Flash Mode
ADDR xB0 = 0x02
ADDR xB0 = 0x0F
I
(V
1x Mode, I
1.5x Mode, I
2x Mode, I
I
I
2.7V
Pins: TX, Strobe
Pins: TX, Strobe
I
I
I
Device Disabled
2.7V
LED
OUT
OUT
OUT
OUT
OUT
-0.3V to (V
= 2.2 µF, C
ISINK
= 500mA
= 200mA, V
= 500mA, V
= 0 mA, 1x Mode
= 0 mA, 1.5x Mode
= 0 mA, 2x Mode
Internally Limited
≤
≤
-65°C to 150°C
(Note
falling)
V
V
-0.3V to 6.0V
IN
IN
w/ 6.0V max
(Note
OUT
OUT
≤
≤
IN
OUT
OUT
3,
5.5V
5.5V
(Note
+ 0.3V)
= 0 mA (V
= 0 mA
2,
150°C
2.5KV
Note
= 0 mA
IN
IN
= 4.7 µF.
Conditions
Note
= 3.3V
= 3.3V
5)
9)
IN
3
(Note
>V
OUT
Operating Ratings
Thermal Information
Input Voltage Range
LED Voltage Range
Junction Temperature Range (T
Ambient Temperature Range (T
(Note
Junction-to-Ambient Thermal Resistance
(θ
10)
)(Note
JA
), Leadless Leadframe Package
7)
12)
−10%
1.26
Min
198
0.7
0.33
2.25
Typ
220
350
4.7
4.7
5.1
1.9
0.6
3.4
5.9
5.8
1
1
A
(Note
J
)
)
(Note
2,
Note
+10%
-30°C to +125°C
Max
242
8)
4.9
4.9
5.4
1.3
0.7
0.9
4.0
7.0
9.7
-30°C to +85°C
3)
2.7V to 5.5V
2.0V to 4.0V
www.national.com
36.7°C/W
IN
= 3.6V,
Units
MHz
mA
mV
mA
µA
A
V
Ω
V
V