List of figures

Figure 1.

Block diagram, fixed version........................................................... 2

Figure 2.

Block diagram, adjustable version ....................................................... 2

Figure 3.

Pin configuration (marking view) ........................................................ 3

Figure 4.

Typical application diagram (fixed versions) ................................................ 4

Figure 5.

Typical application diagram (adjustable versions) ............................................ 4

Figure 6.

Output voltage vs. temperature (VIN = 6 V, VOUT = adjusted to 5 V) ............................... 10

Figure 7.

Output voltage vs. temperature (VIN = 13.2 V, VOUT adjusted to 5 V) .............................. 10

Figure 8.

Output voltage vs. temperature (VIN = 18 V, VOUT = adjusted to 5 V) .............................. 10

Figure 9.

Output voltage vs. temperature (VIN = 4.3 V, VOUT = 3.3 V) .................................... 10

Figure 10.

Output voltage vs. temperature (VIN = 13.2 V, VOUT = 3.3 V) ................................... 11

Figure 11.

Output voltage vs. temperature (VIN = 18 V, VOUT = 3.3 V) ..................................... 11

Figure 12.

Reference voltage vs. temperature (VIN = 6 V, VOUT = adjusted to 5 V) ............................ 11

Figure 13.

Reference voltage vs. temperature (VIN = 18 V, VOUT = adjusted to 5 V) ........................... 11

Figure 14.

Line regulation vs. temperature........................................................ 11

Figure 15.

Load regulation vs. temperature ....................................................... 11

Figure 16.

Dropout voltage vs. temperature ....................................................... 12

Figure 17.

Short-circuit current vs. temperature .................................................... 12

Figure 18.

Quiescent current vs. temperature...................................................... 12

Figure 19.

Off-state current vs. temperature....................................................... 12

Figure 20.

Enable thresholds vs. temperature ..................................................... 12

Figure 21.

Enable input current vs. temperature .................................................... 12

Figure 22.

Output voltage vs. input voltage (no load)................................................. 13

Figure 23.

Output voltage vs. input voltage (IOUT = 1 mA) ............................................. 13

Figure 24.

Output voltage vs. input voltage (IOUT = 100 mA) ........................................... 13

Figure 25.

Output voltage vs. input voltage (IOUT = 400 mA) ........................................... 13

Figure 26.

Quiescent current vs. input voltage ..................................................... 13

Figure 27.

Stability plan .................................................................... 13

Figure 28.

PSRR vs. frequency ............................................................... 14

Figure 29.

Output noise spectrum.............................................................. 14

Figure 30.

Line transient (tr = tf = 1 µs) .......................................................... 14

Figure 31.

Line transient (tr = tf = 10 µs) ......................................................... 14

Figure 32.

Load transient (0.1 mA to 100 mA, tr = tf = 1 µs) ............................................ 14

Figure 33.

Load transient (0.1 mA to 100 mA, tr = tf = 10 µs) ........................................... 14

Figure 34.

Load transient (1 mA to 400 mA, tr = tf = 1 µs) ............................................. 15

Figure 35.

Load transient (1 mA to 400 mA, tr = tf = 10 µs) ............................................ 15

Figure 36.

Enable transient (IOUT = 0.1 mA)....................................................... 15

Figure 37.

Enable transient (IOUT = 400 mA) ...................................................... 15

Figure 38.

Start-up transient (IOUT = 0.1 mA) ...................................................... 15

Figure 39.

Start-up transient (IOUT = 400 mA) ..................................................... 15

Figure 40.

DFN6 (3x3) package outline .......................................................... 16

Figure 41.

DFN6 (3x3) recommended footprint (dimensions are in mm).................................... 17

Figure 42.

DFN6 (3x3) tape outline............................................................. 18

Figure 43.

DFN6 (3x3) reel outline ............................................................. 19

LDO40L

List of figures

DS12711 - Rev 3

page 24/25