1999 Sep 01 2
Philips Semiconductors Preliminary specification
Very low dropout voltage/quiescent
current 5 V voltage regulator
TDA3664
FEATURES
General
• Fixed 5 V, 100 mA regulator
• Supply voltage range up to +33 V (45 V)
• Very low quiescent current (typically 15 µA)
• Very low dropout voltage
• High ripple rejection
• Very high stability
– Electrolytic capacitors: ESR (Equivalent Series
resistance) < 38 Ω at I
REG
≤ 25 mA
– Other capacitors: 100 nFat 200 µA ≤ I
REG
≤ 100 mA
see Fig.5 and Fig.6
• Pin compatible family TDA3662 up to TDA3666.
Protections
• Reverse polarity safe (down to −25 V without high
reverse current)
• Negative transient of 50 V (RS=10Ω, 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 regulator
output
• Temperature protection (Tj> 150 °C).
GENERAL DESCRIPTION
TheTDA3664 is a fixed 5 V voltage regulator with very low
dropout voltage/quiescent current, which operates over a
wide supply voltage range.
The regulator is available as:
• TDA3664T: SO8 package (non-automotive)
• TDA3664AT: SO8 package (automotive)
• TDA3664: SOT223 package (automotive).
Automotive: VP≤ 50P V, −40 °C ≤ T
amb
≤ +125 °C.
Non-automotive: VP≤ 22V, −40 °C ≤ T
amb
≤ +85 °C.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply
V
P
supply voltage
TDA3664 regulator on 3 14.4 45 V
TDA3664AT regulator on 3 14.4 45 V
TDA3664T regulator on 3 14.4 33 V
I
q(tot)
total quiescent supply current
(all versions)
VP= 14.4 V; no load − 15 30 µA
Voltage regulator
V
REG
regulator output voltage
TDA3664T 8 V ≤ V
P
≤ 22 V 4.8 5.0 5.2 V
TDA3664 and TDA3664AT 6 V ≤ V
P
≤ 45 V 4.75 5.0 5.25 V
I
REG
regulator output current 0.5 mA ≤ I
REG
≤ 100 mA 4.75 5.0 5.25 V
V
REG(drop)
dropout voltage I
REG
=50mA − 0.18 0.3 V
TYPE
NUMBER
PACKAGE
NAME DESCRIPTION VERSION
TDA3664 − plastic surface mounted package; collector pad for good heat transfer; 4 leads SOT223
TDA3664T SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1
TDA3664AT SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1