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| TPS3619-33-EP_14 Datasheet, PDF (4/18 Pages) Texas Instruments – BACKUP-BATTERY SUPERVISORS FOR RAM RETENTION | |||
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TPS3619-33-EP, TPS3619-50-EP
TPS3620-33-EP, TPS3620-50-EP
SGLS350C â JULY 2006 â REVISED SEPTEMBER 2010
www.ti.com
Electrical Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VOH
VOL
Vres
VOUT
rDS(on)
VITâ
VPFI
Vhys
IIH
IIL
II
IOS
IDD
I(BAT)
CI
High-level output voltage
Low-level output voltage
Power-up reset voltage(1)
Normal mode
Battery-backup mode
VDD to VOUT on resistance
VBAT to VOUT on resistance
Negative-going input threshold
voltage (2)
Hysteresis
High-level input current
Low-level input current
Input current
Short-circuit current
VDD supply current
VBAT supply current
Input capacitance
RESET
PFO
RESET, PFO
TPS36XX-33
TPS36XX-50
VIT
PFI
VBSW (3)
MR
MR
PFI
PFO
VDD = 3.3 V, IOH = â2 mA
VDD = 5 V, IOH = â3 mA
VDD = 1.8 V, IOH = â20 mA
VDD = 3.3 V, IOH = â80 mA
VDD = 5 V, IOH = â120 mA
VDD = 1.8 V, IOL = â400 mA
VDD = 3.3 V, IOL = 2 mA
VDD = 5 V, IOL = 3 mA
IOL = 20 mA, VBAT > 1.1 V or
VDD > 1.1 V
IOUT = 8.5 mA, VBAT = 0 V,
VDD = 1.8 V
IOUT = 125 mA, VBAT = 0 V,
VDD = 3.3 V
IOUT = 190 mA, VBAT = 0 V,
VDD = 5 V
IOUT = 0.5 mA, VBAT = 1.5 V,
VDD = 0 V
IOUT = 7.5 mA, VBAT = 3.3 V
VDD = 5 V
VDD = 3.3 V
TA = â55°C to 125°C
TA = â55°C to 125°C
1.65 V < VIT < 2.5 V
2.5 V < VIT < 3.5 V
3.5 V < VIT < 5.5 V
VDD = 1.8 V
MR = 0.7 Ã VDD,
MR = 0 V,
VDD = 5 V
VDD = 5 V
PFO = 0 V
VOUT = VDD
VOUT = VBAT
VOUT = VDD
VOUT = VBAT
VI = 0 V to 5 V
VDD = 1.8 V
VDD = 3.3 V
VDD = 5 V
VDD â 0.4
VDD â 0.4
VDD â 0.3
VDD â 0.4
VDD â 0.4
V
0.2
0.4 V
0.4
0.4 V
VDD â 50
VDD â 150
VDD â 200
mV
VBAT â 50
VBAT â 150
0.6
8
1
â¦
20
2.88 2.93
4.46 4.55
3.05
V
4.64
1.13 1.15 1.185 V
20
40
60
mV
12
55
â30
â76 mA
â110
â255 mA
â25
25 nA
â0.3
â1.1 mA
â2.4
40
mA
40
â0.1
0.1
mA
0.5
5
pF
(1) The lowest supply voltage at which RESET becomes active. tr,VDD ⥠15 ms/V.
(2) To ensure the best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 mF) should be placed near the supply terminals.
(3) For VDD < 1.6 V, VOUT switches to VBAT, regardless of VBAT.
4
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Copyright © 2006â2010, Texas Instruments Incorporated
Product Folder Link(s): TPS3619-33-EP TPS3619-50-EP TPS3620-33-EP TPS3620-50-EP
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