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TL1963A-15DCQR bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện TL1963A-15DCQR
Giải thích chi tiết về linh kiện  1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR
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TL1963A-15DCQR bảng dữ liệu(HTML) 5 Page - Texas Instruments

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TL1963A-xx
www.ti.com........................................................................................................................................................ SLVS719E – JUNE 2008 – REVISED AUGUST 2009
ELECTRICAL CHARACTERISTICS
(1)
(continued)
Over operating temperature range TJ = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
MIN
TYP (2)
MAX
UNIT
25°C
0.02
0.06
ILOAD = 1 mA
Full range
0.1
25°C
0.1
0.17
ILOAD = 100 mA
Full range
0.22
Dropout voltage(4) (6) (7)
VDROPOUT
V
VIN = VOUT(NOMINAL)
25°C
0.19
0.27
ILOAD = 500 mA
Full range
0.35
25°C
0.34
0.45
ILOAD = 1.5 A
Full range
0.55
ILOAD = 0 mA
Full range
1
1.5
ILOAD = 1 mA
Full range
1.1
1.6
GND pin current(7) (8)
IGND
ILOAD = 100 mA
Full range
3.8
5.5
mA
VIN = VOUT(NOMINAL) + 1
ILOAD = 500 mA
Full range
15
25
ILOAD = 1.5 A
Full range
80
120
COUT = 10 μF, ILOAD = 1.5 A,
eN
Output voltage noise
25°C
40
μVRMS
BW = 10 Hz to 100 kHz
IADJ
ADJ pin bias current(3) (9)
25°C
3
10
μA
VOUT = OFF to ON
Full range
0.9
2
Shutdown threshold
V
VOUT = ON to OFF
Full range
0.25
0.75
V SHDN = 0 V
25°C
0.01
1
I SHDN
SHDN pin current
μA
V SHDN = 20 V
25°C
3
30
Quiescent current in
VIN = 6 V, V SHDN = 0 V
25°C
0.01
1
μA
shutdown
VIN – VOUT = 1.5 V (avg), VRIPPLE = 0.5 VP-P,
Ripple rejection
25°C
55
63
dB
fRIPPLE = 120 Hz, ILOAD = 0.75 A
VIN = 7 V, VOUT = 0 V
25°C
2
ILIMIT
Current limit
A
VIN = VOUT(NOMINAL) + 1
Full range
1.6
Input reverse leakage
IIL
VIN = –20 V, VOUT = 0 V
Full range
1
mA
current
TL1963A-1.5
VOUT = 1.5 V, VIN < 1.5 V
25°C
600
1200
TL1963A-1.8
VOUT = 1.8 V, VIN < 1.8 V
25°C
600
1200
IRO
Reverse output current(10)
TL1963A-2.5
VOUT = 2.5 V, VIN < 2.5 V
25°C
600
1200
μA
TL1963A-3.3
VOUT = 3.3 V, VIN < 3.3 V
25°C
600
1200
TL1963A
VOUT = 1.21 V, VIN < 1.21 V
25°C
300
600
(6)
Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specified output current. In
dropout, the output voltage is equal to: VIN – VDROPOUT.
(7)
To satisfy requirements for minimum input voltage, the TL1963A (adjustable version) is tested and specified for these conditions with an
external resistor divider (two 4.12-k
Ω resistors) for an output voltage of 2.4 V. The external resistor divider adds a 300-mA DC load on
the output.
(8)
GND pin current is tested with VIN = (VOUT(NOMINAL) + 1 V) and a current source load. The GND pin current decreases at higher input
voltages.
(9)
ADJ pin bias current flows into the ADJ pin.
(10) Reverse output current is tested with the IN pin grounded and the OUT pin forced to the rated output voltage. This current flows into the
OUT pin and out the GND pin.
Copyright © 2008–2009, Texas Instruments Incorporated
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