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ADP1720ARMZ-5-R7
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
ADP1720
Rev. A | Page 6 o
f 16
PIN CONFIGURA
TIONS AND
F
UNCTION DESCRIPTIONS
06111-003
GND
GND
GND
ADJ
IN
OUT
GND
GND
GND
GND
IN
OUT
GND
EN
1
2
3
4
8
7
6
5
ADP
1720
FIXED
GND
EN
1
2
3
8
7
6
TOP VIEW
(No
t to
Scal
e)
4
ADP
1720
ADJUSTABL
E
TO
P VIEW
(No
t to
Scal
e)
5
06111-
004
Figure 3. 8-Lead M
SOP
Figure 4. 8-Lead M
SOP
Table 4. Pin Funct
ion Descriptions
ADP1720
Fixe
d
Pin No.
ADP1720
Adj
ust
ab
le
Pin No
.
Mnemonic
Description
1
N/A
GND
This pin is internally connec
ted to ground.
N/A
1
ADJ
Adjust. A resist
or divider from OUT to ADJ sets the output vo
ltage.
2
2
IN
Regulator Input Supply
. Bypass IN to GND with a 1 μF or greater capacitor
.
3
3
OUT
Regulated Output
Voltage. Bypass OUT to GND with a 1 μF or gr
eater capacitor
.
4 4
EN
Enable Input. Drive EN high to turn on the regula
tor; dr
ive it low to turn off t
he regulator
. For
automatic startup, c
onnect EN to IN.
5 5
GND
Ground
.
6 6
GND
Ground
.
7 7
GND
Ground
.
8 8
GND
Ground
.
ADP1720
Rev. A | Page 7 o
f 16
4.96
–40
TYPICAL PERFORMANCE CHARACTE
RISTICS
V
IN
= 12 V
, V
OUT
= 5 V
, I
OUT
= 100 μA, C
IN
= C
OUT
= 1 μF
, T
A
= 25°C
, un
less ot
her
wise
noted.
5.03
V
OU
T
(V)
T
J
(°C)
5.02
5.01
5.00
4.99
4.98
4.97
–5
25
85
125
I
LOAD
= 10µA
I
LOAD
= 100µ
A
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 50mA
06
0.01
100
111-005
Figure 5. Output
Voltage vs. Ju
nction Temp
erature
I
LOAD
(mA)
V
OU
T
(V)
0.1
1
10
4.9965
4.9970
4.9975
4.9980
4.9985
4.9990
4.9995
5.0000
5.0005
5.0010
5.0015
06
4.990
03
V
IN
(V)
111-006
Figure 6. Output Volt
age v
s. Load Current
5.010
V
OU
T
(V)
0
5.008
5.006
5.004
5.002
5.000
4.998
4.996
4.994
4.992
5
1
01
52
02
5
I
LOAD
= 10µA
I
LOAD
= 100µ
A
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 50mA
06111-007
Figure 7. Output Voltage vs. Input Voltage
1200
0
–40
T
J
(°C)
I
GN
D
(µA)
1000
800
600
400
200
–5
25
85
125
I
LOAD
= 50mA
I
LOAD
= 25mA
I
LOAD
= 10mA
I
LOAD
= 1mA
I
LOAD
= 100µA
I
LOAD
= 10µA
06111-008
Figure 8. Ground Cu
rrent vs. Junction
Temperature
1200
0
0.01
100
I
LOAD
(mA)
I
GN
D
(µA)
0.1
1
10
1000
800
600
400
200
06111-009
Figure 9. Ground Curre
nt vs. Load Current
1400
0
03
V
IN
(V)
I
GN
D
(µA)
0
1200
1000
800
600
400
200
5
1
01
52
02
5
I
LOAD
= 50mA
I
LOAD
= 25mA
I
LOAD
= 10mA
I
LOAD
= 1mA
I
LOAD
= 100µ
A
I
LOAD
= 10µA
06111-010
Figure 10. Ground Curre
nt vs. Input Voltage
ADP1720
Rev. A | Page 8 o
f 16
0
300
V
DR
OPOUT
(mV)
11
I
LOAD
(mA)
0
0
10
250
200
150
100
50
06111-011
4.60
4.9
5.4
V
IN
(V)
Figure 11. Drop
out Voltage v
s. Load Current
5.05
V
OU
T
(V)
5.00
4.95
4.90
4.85
4.80
4.75
4.70
4.65
5.0
5.
1
5.
2
5.3
I
LOAD
= 50mA
I
LOAD
= 25mA
I
LOAD
= 10mA
I
LOAD
= 1mA
06111-012
Figure 12. Output V
oltage vs. Input V
oltage (in Drop
out)
3.5
0
4.9
5.4
V
IN
(V)
I
GND
(mA)
3.0
2.5
2.0
1.5
1.0
0.5
5.0
5.
1
5.
2
5.3
I
LOAD
=
50mA
I
LOAD
=
25mA
I
LOAD
=
10mA
I
LOAD
=
1mA
06111-013
Figure 13. Grou
nd Current vs. Input V
oltage (in Drop
out)
0
–100
10
10M
FREQ
UENCY (Hz
)
PSRR (dB)
100
1k
10k
100
k
1M
–10
–20
–30
–40
–50
–60
–70
–80
–90
100µA
10mA
1mA
V
IN
= 8V
V
OUT
= 1.6V
C
OU
T
= 1µF
V
RIPPLE
= 50mV
06111-014
Figure 14. Power Supply Reje
ction Ratio vs
. Frequency
(1.6 V Adjustable Output)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
ADP1720ARMZ-5-R7
Mfr. #:
Buy ADP1720ARMZ-5-R7
Manufacturer:
Analog Devices / Linear Technology
Description:
Linear Voltage Regulators 50mA Hi VTG Micropwr
Lifecycle:
New from this manufacturer.
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