LM2687LD National Semiconductor, LM2687LD Datasheet - Page 2

• Manufacturer Part Number: LM2687LD
• Description: IC INVERTER REG SW CAP ADJ 8-LLP
• Manufacturer: National Semiconductor
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of LM2687LD

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -5.2 V
• Current - Output: 10mA
• Frequency - Switching: 110kHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-LLP
• Power - Output: 600mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM2687LD; LM2687LDTR

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Ordering Information for MSOP Package
Ordering Information for LLP Package
Note:
Pin Description
Pin No.
DAP
Device Order Number
Device Order Number
1
2
3
4
5
6
7
8
*
allow for the full part number marking. Devices will be marked with the
designation shown in the column Package Marking.
The small physical sizes of the MSOP-8 and LLP-8 packages do not
LM2687MMX
LM2687LDX
LM2687MM
LM2687LD
Die Attach Pad
Name
Cap+
Cap−
V
V
GND
V
SD
V
NEG
OUT
FB
IN
Positive terminal for C
Ground.
Negative terminal for C
Active low, logic-level shutdown input.
Negative unregulated output voltage.
Feedback input. Connect V
adjust voltage V
Regulated negative output voltage.
Positive power supply input.
LLP package only. Connect this pad to V
Package Number
Package Number
MUA08A
MUA08A
LDA08A
LDA08A
ADJ
(0≤V
1
.
1
.
ADJ
2
FB
≤V
to an external resistor divider between V
IN
Package Marking
Package Marking
). DO NOT leave unconnected.
L050B
L050B
S12A
S12A
Function
NEG
.
*
*
Tape and Reel (1000 units/reel)
Tape and Reel (3500 units/reel)
Tape and Reel (1000 units/reel)
Tape and Reel (3500 units/reel)
Supplies As
Supplies As
OUT
and a positive