TDA3662AT PDF даташит
Спецификация TDA3662AT изготовлена «NXP Semiconductors» и имеет функцию, называемую «Very low dropout voltage/quiescent current 3.0 V voltage regulator». |
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Детали детали
Номер произв | TDA3662AT |
Описание | Very low dropout voltage/quiescent current 3.0 V voltage regulator |
Производители | NXP Semiconductors |
логотип |
20 Pages
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INTEGRATED CIRCUITS
DATA SHEET
TDA3662
Very low dropout voltage/quiescent
current 3.0 V voltage regulator
Preliminary specification
File under Integrated Circuits, IC01
2000 Apr 26
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Philips Semiconductors
Very low dropout voltage/quiescent current
3.0 V voltage regulator
Preliminary specification
TDA3662
FEATURES
• Fixed 3.0 V, 100 mA regulator
• 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 TDA3662 to TDA3666
• 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 TDA3662 is a fixed 3.0 V voltage regulator with a very
low dropout voltage and quiescent current, which operates
over a wide supply voltage range.
The IC is available as:
• TDA3662: VP ≤ 45 V, −40 °C ≤ Tamb ≤ +125 °C and
SO4 package (automotive)
• TDA3662AT: VP ≤ 45 V, −40 °C ≤ Tamb ≤ +125 °C and
SO8 package (automotive).
QUICK REFERENCE DATA
SYMBOL
PARAMETER
Supply
VP supply voltage
TDA3662
TDA3662AT
Iq quiescent supply current
Voltage regulator
VREG
output voltage
VREG(drop)
dropout voltage
CONDITIONS
MIN. TYP. MAX. UNIT
regulator on
VP = 14.4 V; IREG = 0 mA
3
14.4 45
V
3
14.4 45
V
− 15 30 µA
7.5 V ≤ VP ≤ 22 V; IREG = 0.5 mA
5.5 V ≤ VP ≤ 45 V; IREG = 0.5 mA
VP = 14.4 V;
0.5 mA ≤ IREG ≤ 100 mA
VP = 2.5 V; IREG = 50 mA;
Tamb ≤ 85 °C
2.84
2.81
2.81
−
3.0
3.0
3.0
0.18
3.16
3.19
3.19
0.3
V
V
V
V
ORDERING INFORMATION
TYPE
NUMBER
TDA3662
TDA3662AT
NAME
SO4
SO8
PACKAGE
DESCRIPTION
plastic small outline package; 4 leads; body width 3.5 mm
plastic small outline package; 8 leads; body width 3.9 mm
VERSION
SOT223-1
SOT96-1
2000 Apr 26
2
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Philips Semiconductors
Very low dropout voltage/quiescent current
3.0 V voltage regulator
BLOCK DIAGRAM
Preliminary specification
TDA3662
handbook,VhPalfpage1 (8)
3 (1)
REGULATOR
REG
BAND GAP
TDA3662
THERMAL
PROTECTION
2, 4 (2, 3, 6, 7)
GND
MBL134
Pin numbers in brackets refer to the SO8 version.
Fig.1 Block diagram.
PINNING
SYMBOL
VP
GND
REG
n.c.
SO4
1
2 and 4
3
−
PIN
SO8
8
2, 3, 6 and 7
1
4 and 5
DESCRIPTION
supply voltage
ground; note 1
regulator output
not connected
Note
1. For the SO8 package all pins GND are connected to the lead frame and can also be used to reduce the total thermal
resistance Rth(j-a) by soldering these pins to a ground plane. The ground plane on the top side of the PCB acts like a
heat spreader.
2000 Apr 26
3
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Номер в каталоге | Описание | Производители |
TDA3662AT | Very low dropout voltage/quiescent current 3.0 V voltage regulator | NXP Semiconductors |
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