TDA3673T PHILIPS [NXP Semiconductors], TDA3673T Datasheet - Page 2

• Manufacturer Part Number: TDA3673T
• Description: Very low dropout voltage/quiescent current 3.3 V voltage regulator with enable
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
FEATURES
QUICK REFERENCE DATA
ORDERING INFORMATION
2000 Feb 01
Supply
V
I
Voltage regulator
V
V
TDA3673T
TDA3673AT
q
Fixed 3.3 V, 100 mA regulator with enable function
Supply voltage range up to 33 V (45 V)
Very low quiescent current of 15 A (typical value)
Very low dropout voltage
High ripple rejection
Very high stability:
– Electrolytic capacitors: Equivalent Series Resistance
– Other capacitors: 100 nF at 200 A
Pin compatible family TDA3672 to TDA3676
Protections:
– Reverse polarity safe (down to 25 V without high
– Negative transient of 50 V (R
P
REG
REG(drop)
Very low dropout voltage/quiescent current
3.3 V voltage regulator with enable
NUMBER
SYMBOL
(ESR) < 38
reverse current)
TYPE
supply voltage
quiescent supply current
output voltage
dropout voltage
at I
TDA3673T
TDA3673AT
NAME
REG
SO8
SO8
PARAMETER
25 mA
S
plastic small outline package; 8 leads; body width 3.9 mm
plastic small outline package; 8 leads; body width 3.9 mm
= 10 , t < 100 ms)
I
REG
100 mA.
regulator on
V
V
8 V
6 V
0.5 mA
V
V
T
amb
P
I(EN)
P
P
= 14.4 V; I
= 14.4 V
= 3.1 V; I
V
V
= 5 V
85 C
P
P
2
I
CONDITIONS
REG
DESCRIPTION
22 V; I
45 V; I
GENERAL DESCRIPTION
The TDA3673 is a fixed 3.3 V voltage regulator with very
low dropout voltage and quiescent current, which operates
over a wide supply voltage range.
The IC is available as:
REG
PACKAGE
REG
– Able to withstand voltages up to 18 V at the output
– ESD protection on all pins
– DC short-circuit safe to ground and V
– Temperature protection (at T
TDA3673T: V
SO8 package (non-automotive)
TDA3673AT: V
SO8 package (automotive).
100 mA;
= 50 mA;
(supply line may be short-circuited)
regulator output
REG
REG
= 0 mA;
= 0.5 mA
= 0.5 mA
P
P
33 V, 40 C
45 V, 40 C
3
3
3.16
3.13
3.13
MIN.
Preliminary specification
14.4
14.4
15
3.3
3.3
3.3
0.18
j
TYP.
> 150 C).
T
amb
T
amb
TDA3673
33
45
30
3.44
3.47
3.47
0.3
+85 C and
MAX.
P
+125 C and
of the
VERSION
SOT96-1
SOT96-1
V
V
V
V
V
V
UNIT
A