Datasheet

1
Vin
2
GND
Vout
5
NC
4
3
EN
1
Vin
2
GND
Vout
5
NC
4
3
EN
LP5951
SNVS345F –JUNE 2006–REVISED MAY 2013 www.ti.com
Connection Diagram
Figure 1. 5-Lead SOT-23 Package – Top View Figure 2. 5-Lead SC70 Package – Top View
See Package Number DBV See Package Number DCK
PIN DESCRIPTIONS
Pin Number Pin Name Description
1 V
IN
Input Voltage. Input range: 1.8V to 5.5V
2 GND Ground
3 EN Enable pin logic input: Low = shutdown, High = normal operation. This pin should not be left floating.
4 NC No internal connection
5 V
OUT
Regulated output voltage
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1)(2)
V
IN
pin: Voltage to GND -0.3V to 6.5V
EN pin: Voltage to GND -0.3V to (V
IN
+0.3V) with 6.5V max
Continuous Power Dissipation
(3)
Internally Limited
Junction Temperature (T
J-MAX
) 150°C
Storage Temperature Range -65°C to + 150°C
Package Peak Reflow Temperature (10-20 sec.) 240°C
Package Peak Reflow Temperature (Pb-free, 10-20 sec.) 260°C
ESD Rating
(4)
Human Body Model: 2.0kV
Machine Model 200V
(1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under
which operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits
and associated test conditions, see the Electrical Characteristics tables.
(2) All voltages are with respect to the potential at the GND pin.
(3) Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at T
J
= 160°C (typ.) and
disengages at T
J
= 140°C (typ.).
(4) The Human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin. The machine model is a 200pF
capacitor discharged directly into each pin. (MIL-STD-883 3015.7)
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