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TAR5S50TE85LF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
TAR5S15~TAR5S50
2007-11-01
7
5. Example of Characteristics when Ceramic Capacitor is Used
Shown below is the stable operation area, where the output voltage does not oscillate, evaluated using a
Toshiba evaluation circuit. The equivalent series resistance (ESR) of the output capacitor and output current
determines this area. TAR5Sxx Series devices operate stably even when a ceramic capacitor is used as the
output capacitor.
If a ceramic capacitor is used as the output capacitor and the ripple frequency is 30 kHz or more, the ripple
rejection differs from that when a tantalum capacitor is used. This is shown below.
Toshiba recommend that users check that devices operate stably under the intended conditions of use.
Examples of safe operating area characteristics
Evaluation Circuit for Stable Operating Area
Ripple Rejection Characteristic (f
=
10 kHz~300 kHz)
(TAR5S15) Stable Operating Area
Output current I
OUT
(mA)
(TAR5S50) Stable Operating Area
(TAR5S28) Stable Operating Area
Output current I
OUT
(mA)
Output current I
OUT
(mA)
Equivalent series resistance ESR (Ω)
Equivalent series resistance ESR (Ω)
Equivalent series resistance ESR (Ω)
Ripple rejection (dB)
(TAR5S30) Ripple Rejection – f
Frequency f (Hz)
TAR5S**
GND
C
IN
Ceramic
V
IN
=
V
OUT
+ 1 V
CONTROL
C
NOISE
= 0.01 μF
R
OUT
ESR
C
OUT
Ceramic
Capacitors used for evaluation
Made by Murata C
IN
: GRM40B105K
C
OUT
: GRM40B105K/GRM40B106K
30
0
10
20
40
70
50
60
Ceramic
2.2 μF
10 k 300 k 100 k
Ceramic 10 μF
Tantalum10 μF
Tantalum 2.2 μF
Tantalum 1 μF
Ceramic
1 μF
@V
IN
= 4.0 V, C
NOISE
= 0.01 μF,
C
IN
= 1 μF, V
ripple
= 500 mV
p-p
,
I
out
= 10 mA, Ta = 25°C
1000 k
80 40
0.02
0.1
1
10
100
0 20 15060 120 100 140
@V
IN
= 2.5 V, C
NOISE
= 0.01 μF,
C
IN
= 1 μF, C
out
= 1 μF~10 μF,
Ta = 25°C
Stable Operating Area
80 40
0.02
0.1
1
10
100
020 15060 120 100 140
@V
IN
= 6.0 V, C
NOISE
= 0.01 μF,
C
IN
= 1 μF, C
out
= 1 μF~10 μF,
Ta = 25°C
Stable Operating Area
80 40
0.02
0.1
1
10
100
0 20 15060 120 100 140
@V
IN
= 3.8 V, C
NOISE
= 0.01 μF,
C
IN
= 1 μF, C
out
= 1 μF~10 μF,
Ta = 25°C
Stable Operating Area
TAR5S15~TAR5S50
2007-11-01
8
Output voltage V
OUT
(V)
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S15) I
OUT
– V
OUT
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S18) I
OUT
– V
OUT
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S20) I
OUT
– V
OUT
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S21) I
OUT
– V
OUT
Output current I
OUT
(mA)
(TAR5S22) I
OUT
– V
OUT
Output current I
OUT
(mA)
(TAR5S23) I
OUT
– V
OUT
Output voltage V
OUT
(V)
1.4
1.5
1.6
V
IN
= 2.5 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
1.7
1.8
1.9
V
IN
= 2.8 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
1.9
2.0
2.1
V
IN
= 3.0 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
2.0
2.1
2.2
V
IN
= 3.1 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
2.1
2.2
2.3
V
IN
= 3.2 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
2.2
2.3
V
IN
= 3.3 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
TAR5S15~TAR5S50
2007-11-01
9
Output current I
OUT
(mA)
(TAR5S27) I
OUT
– V
OUT
Output voltage V
OUT
(V)
V
IN
= 3.7 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
2.6
2.7
2.8
0 50 100 150
Ta = 85°C
25
−40
Output current I
OUT
(mA)
(TAR5S30)
I
OUT
– V
OUT
Output voltage V
OUT
(V)
V
IN
= 3.8 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF Pulse width = 1 ms
2.7
2.8
2.9
0 50 100 150
Ta = 85°C
25
−40
Output current I
OUT
(mA)
(TAR5S25) I
OUT
– V
OUT
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S31) I
OUT
– V
OUT
Output voltage V
OUT
(V)
V
IN
= 3.9 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF Pulse width = 1 ms
2.8
2.9
3
0 50 100 150
Ta = 85°C
25
−40
2.4
2.5
2.6
V
IN
= 2.6 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
Output current I
OUT
(mA)
(TAR5S28) I
OUT
– V
OUT
Output voltage V
OUT
(V)
Output current I
OUT
(mA)
(TAR5S29) I
OUT
– V
OUT
Output voltage V
OUT
(V)
V
IN
= 4.0 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF Pulse width = 1 ms
2.9
3.0
3.1
0 50 100 150
Ta = 85°C
25
−40
3.0
3.1
3.2
V
IN
= 4.1 V, C
IN
= 1 μF, C
OUT
= 10 μF,
C
NOISE
= 0.01 μF, Pulse width = 1 ms
0 50 100 150
Ta = 85°C
−40
25
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

TAR5S50TE85LF

Mfr. #:
Buy TAR5S50TE85LF
Manufacturer:
Toshiba
Description:
LDO Voltage Regulators Point Reg SGL output 200mA 15V 5V out
Lifecycle:
New from this manufacturer.
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