Datasheet

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_
+
Switch
Control
Reference
Voltage
of 1.15 V
_
+
RESET
Logic
+
Timer
_
+
V
BAT
V
DD
PFI
V
OUT
RESET
PFO
MR
TPS3619
TPS3620
TPS3619-33 , , TPS3619-50
TPS3620-33 , TPS3620-50
SLVS387H – APRIL 2001 – REVISED DECEMBER 2007
Table 2. TERMINAL FUNCTIONS
TERMINAL
I/O DESCRIPTION
NAME NO.
GND 3 I Ground
MR 6 I Manual reset input
PFI 4 I Power-fail comparator input
PFO 5 O Power-fail comparator output
RESET 7 O Active-low reset output
V
BAT
8 I Backup-battery input
V
DD
2 I Input supply voltage
V
OUT
1 O Supply output
FUNCTIONAL BLOCK DIAGRAM
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Product Folder Link(s): TPS3619-33 TPS3619-50 TPS3620-33 TPS3620-50