LM27961TLEV National Semiconductor, LM27961TLEV Datasheet - Page 2

• Manufacturer Part Number: LM27961TLEV
• Description: BOARD EVALUATION LM27961TL
• Manufacturer: National Semiconductor

Specifications of LM27961TLEV

• Current - Output / Channel: 20mA
• Outputs And Type: 7, Non-Isolated
• Voltage - Output: 4 V
• Features: Charge Pump
• Voltage - Input: 2.7 ~ 5.5V
• Utilized Ic / Part: LM27961
• Lead Free Status / RoHS Status: Not applicable / Not applicable

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Connection Diagram
Pin Description
Operational States
Ordering Information
D6, E5, D4, E3
A1, B2, A5, E1
C5, B4, C3
Pin #s
ENA
C1
D2
A3
B6
A7
E7
C7
H
H
L
L
Order Information
LM27961TL
LM27961TLX
D1A, D2A, D3A,
D1B, D2B, D3B
C1+, C1-, C2+,
Pin Names
P
EN-A
EN-B
I
I
GND
ENB
D4A
SETA
SETB
C2-
V
OUT
H
H
L
L
IN
18-Bump Thin Micro SMD Package, Large Bump
Input voltage. Input range: 2.7V to 5.5V.
Ground
Charge pump output. Approximately 1.5xV
Flying capacitor connections.
LED Outputs - Group A
LED Outputs - Group B
Enable for Group-A LEDs (current outputs). Logic input.
High = Group-A LEDs ON. Low = Group A LEDs OFF.
Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs.
Enable for Group-B LEDs (current outputs). Logic input.
High = Group-B LEDs ON. Low = Group B LEDs OFF.
Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs.
Placing a resistor (R
Group A LEDs. LED Current = 100 x (1.25V ÷ R
Placing a resistor (R
Group B LEDs. LED Current = 100 x (1.25V ÷ R
Shutdown
Enabled. Group A LEDs ON. Group B LEDs OFF
Enabled. Group B LEDs ON. Group A LEDs OFF
Invalid for normal operation
NS Package Number TLA18
Package
TLA18 Micro SMD
2
SETA
SETB
) between this pin and GND sets the LED current for
) between this pin and GND sets the LED current for
Mode of Operation
Pin Descriptions
IN
Supplied As
250 Units, Tape & Reel
3000 Units, Tape & Reel
SETA
SETB
).
).
20127902