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TPS22810: Unexpected long delay after enabling

Part Number: TPS22810

Tool/software:

When I apply 3.3 V to Enable pin I see a delay 5.78 ms on the output. Is this normal?

*.CIR file:

RVD_CAR (TINA Netlist Editor format)
**************************************
**  This file was created by TINA   **
**         www.tina.com             ** 
**      (c) DesignSoft, Inc.        **          
**     www.designsoftware.com       **
**************************************
.LIB "<TINADIR>\EXAMPLES\SPICE\TSPICE.LIB"
.LIB "<TINADIR>\SPICELIB\Operational Amplifiers.LIB"
.TEMP 27
.AC DEC 20 10 1MEG
.TRAN 80U 40M UIC
.DC LIN VEN1 0 1 10M

.PROBE V([EN]) V([Vout])

Vin         4 0 12
VEN1        EN 0 DC 0 AC 1 0
+ PWL TIME_SCALE_FACTOR=20M VALUE_SCALE_FACTOR=3.3
+      REPEAT FOREVER
+       (0, 0) (500N 1) (499.9995M 1) (500.0005M -1) (999.9995M -1) (1,0) ENDREPEAT
R2          Vout 0 1K 
R1          3 Vout 15K 
C1          4 0 1U 
R3          5 3 511 
C2          6 0 22N 
XU1         6 EN 0 5 4 3 TPS22810_TRANS


* SUBCKT: TPS22810_TRANS encrypted macro, content not displayed


.END