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TDA3672 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. TDA3672
Description  Very low dropout voltage/quiescent current 3.0 V voltage regulator with enable
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA3672 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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2000 Apr 26
2
Philips Semiconductors
Preliminary specification
Very low dropout voltage/quiescent current
3.0 V voltage regulator with enable
TDA3672
FEATURES
• Fixed 3.0 V, 100 mA regulator with enable function
• Supply voltage range up to 33 V (45 V)
• Very low quiescent current of 15 µA (typical value)
• Very low dropout voltage
• High ripple rejection
• Very high stability:
– Electrolytic capacitors: Equivalent Series Resistance
(ESR) < 30
Ω at IREG ≤ 25 mA (see Fig.6)
– Other capacitors: 100 nF at 200
µA ≤ IREG ≤ 100 mA.
• Pin compatible family TDA3672 to TDA3676
• Protections:
– Reverse polarity safe (down to
−25 V without high
reverse current)
– Negative transient of 50 V (RS =10 Ω and
t < 100 ms)
– Able to withstand voltages up to 18 V at the output
(supply line may be short-circuited)
– ESD protection on all pins
– DC short-circuit safe to ground and VP of the
regulator output
– Temperature protection (at Tj > 150 °C).
GENERAL DESCRIPTION
The TDA3672 is a fixed 3.0 V voltage regulator with very
low dropout voltage and quiescent current, which operates
over a wide supply voltage range.
The IC is available as:
TDA3672AT: VP ≤ 45 V; −40 °C ≤ Tamb ≤ +125 °C and
SO8 package (automotive).
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VP
supply voltage
regulator on
3
14.4
45
V
Iq
quiescent supply current
VP = 14.4 V; IREG = 0 mA;
VI(EN) =5V
15
30
µA
Voltage regulator
VREG
output voltage
7.5
≤ VP ≤ 22 V; IREG = 0.5 mA
2.84
3.0
3.16
V
5.5 V
≤ V
P ≤ 45 V; IREG = 0.5 mA
2.81
3.0
3.19
V
VP = 14.4 V; 0.5 mA ≤ IREG ≤ 100 mA 2.81
3.0
3.19
V
VREG(drop)
dropout voltage
VP = 2.8 V; IREG =50mA;
Tamb ≤ 85 °C
0.18
0.3
V
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA3672AT
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1


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