Replace LDO output cap with 4.7uF

The TPS76133 requires at least 4.7uF of output capacitance to be
stable, and some noise was seen in the baro sensor with the 2.2uF
value.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/telemini.pcb b/telemini.pcb
index 1a5f433ede641f147a45745144b9cc8326b48fa8..9c8742311827a021fd28e1c9c3402e8adda0899d 100644 (file)
--- a/telemini.pcb
+++ b/telemini.pcb
@@ -1211,7 +1211,7 @@ Element["" "0402" "C21" "220pF" 1017.00mil 7.9182mm -62.00mil 0.9718mm 1 80 ""]
 
        )
 
-Element["" "0402" "C6" "2.2uF" 5.1374mm 515.00mil -0.5400mm 11.00mil 0 80 ""]
+Element["" "0402" "C6" "4.7uF" 5.1374mm 515.00mil -0.5400mm 11.00mil 0 80 ""]
 (
        Pad[-15.74mil -3.93mil -15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "1" "1" "square"]
        Pad[15.74mil -3.93mil 15.74mil 3.93mil 19.68mil 20.00mil 25.68mil "2" "2" "square"]

diff --git a/telemini.sch b/telemini.sch
index 0f1732e294f120df351dbd60725c987b3afcbf94..d899c17dee35136699a08282567a1051730f402c 100644 (file)
--- a/telemini.sch
+++ b/telemini.sch
@@ -1077,7 +1077,7 @@ C 41000 42300 1 90 0 capacitor.sym
 T 40300 42500 5 10 0 0 90 0 1
 device=CAPACITOR
 T 41000 42300 5 10 0 0 0 0 1
-vendor_part_number=587-3153-1-ND
+vendor_part_number=587-2787-1-ND
 T 41000 42300 5 10 0 0 0 0 1
 footprint=0402
 T 41000 42300 5 10 0 0 0 0 1
@@ -1087,7 +1087,7 @@ loadstatus=smt
 T 41200 43100 5 10 1 1 180 0 1
 refdes=C6
 T 41000 42400 5 10 1 1 0 0 1
-value=2.2uF
+value=4.7uF
 T 41000 42300 5 10 0 1 0 0 1
 symversion=0.1
 }