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TDA3674 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. TDA3674
Description  Low dropout voltage/quiescent current 5 V voltage regulator with enable
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA3674 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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2000 Feb 01
2
Philips Semiconductors
Preliminary specification
Low dropout voltage/quiescent current 5 V
voltage regulator with enable
TDA3674
FEATURES
• Fixed 5 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) < 38
Ω at IREG ≤ 25 mA
– 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, 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 TDA3674 is a fixed 5 V voltage regulator with very low
dropout voltage and quiescent current, which operates
over a wide supply voltage range.
The IC is available as:
• TDA3674T: VP ≤ 33 V, −40 °C ≤ Tamb ≤ +85 °C and
SO8 package (non-automotive)
• TDA3674AT: 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
TDA3674T
3
14.4
33
V
TDA3674AT
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
regulator output voltage
8 V
≤ VP ≤ 22 V; IREG = 0.5 mA
4.8
5.0
5.2
V
6V
≤ V
P ≤ 45 V; IREG = 0.5 mA
4.75
5.0
5.25
V
0.5 mA
≤ IREG ≤ 100 mA;
VP = 14.4 V
4.75
5.0
5.25
V
VREG(drop)
dropout voltage
VP = 4.5 V; IREG = 50 mA;
Tamb ≤ 85 °C
0.18
0.3
V
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA3674T
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
TDA3674AT
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1


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