Texas Instruments LM2796, User Manual, Page: 3 / 6

C
IN
1
P
F
3/2× Charge Pump
C1
1
P
F
C2
1
P
F
C
POUT
1
P
F
EN ENA ENB C1+ C1- C2+ C2-
P
OUT
D1A D2A D3A D4A D1B D2B D3B
I
SET
V
IN
V
IN
2.7V to 5.6V
R
SET
GND
LM2796
A
V
D1A
|
0V
I = I
D1A
I = 0
ALL LEDs OFF
A
Series LED or Resistor
Optional to Set V
Dxx
|
3.6V
V
D3B
|
V
LEDm
I = I
D3B
LED
M
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Board Operation
Figure 2. Measuring Current of All Individual D
xx
Outputs by Removing the LEDS_ON Jumper and Placing
Current Meters Between the D
xx
Pins and GND
3 SNVA086A – May 2004 – Revised April 2013 AN-1321 LM2796 Evaluation Board
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