Datasheet

LM4051-ADJ (Adjustable)
Electrical Characteristics
Boldface limits apply for T
A
=T
J
=T
MIN
to T
MAX
; all other limits T
J
= 25˚C unless otherwise specified (SOT-23, see (Note 7)
,I
RMIN
≤ I
R
≤ 12 mA, V
REF
≤ V
OUT
≤ 10V. The grades A, B and C designate initial Reference Voltage Tolerances of
±
0.1%,
±
0.2% and
±
0.5%, respectively for V
OUT
= 5V.
Symbol Parameter Conditions
Typical
(Note 4)
LM4051AIM3
LM4051AEM3
(Limits)
(Note 5)
LM4051BIM3
LM4051BEM3
(Limits)
(Note 5)
LM4051CIM3
LM4051CEM3
(Limits)
(Note 5)
Units
(Limit)
V
REF
Reference Voltage I
R
= 100 µA, V
OUT
= 5V 1.212 V
Reference Voltage Tolerance
(Note 6), (Note 8)
I
R
= 100 µA, V
OUT
=5V
±
1.2
±
2.4
±
6 mV (max)
Industrial Temp. Range
±
5.2
±
6.4
±
10.1 mV (max)
Extended Temp. Range
±
7.4
±
8.6
±
12.2 mV (max)
I
RMIN
Minimum Operating Current 36 µA
60 60 65 µA (max)
Industrial Temp. Range 65 65 70 µA (max)
Extended Temp. Range 70 70 75 µA (max)
∆V
REF
/∆I
R
Reference Voltage Change
with Operating Current
Change
I
RMIN
≤ I
R
≤ 1mA
V
OUT
≥ 1.6V
(Note 7)
0.3 mV
1.1 1.1 1.1 mV(max)
1.5 1.5 1.5 mV(max)
1mA≤ I
R
≤ 12 mA
V
OUT
≥ 1.6V(Note 7)
0.6 mV
6 6 6 mV (max)
888mV (max)
∆V
REF
/∆V
O
Reference Voltage
Changewith Output Voltage
Change
I
R
= 0.1 mA −1.69 mV/V
−2.8 −2.8 −2.8 mV/V (max)
−3.5 −3.5 −3.5 mV/V (max)
I
FB
Feedback Current 70 nA
130 130 130 nA (max)
150 150 150 nA (max)
∆V
REF
/∆T Average Reference Voltage
Temperature Coefficient
(Note 8)
V
OUT
= 2.5V
I
R
= 10mA 20 ppm/˚C
I
R
= 1mA 15 ppm/˚C
I
R
=100µA 15
±
50
±
50
±
50 ppm/˚C (max)
∆T = −40˚C to +125˚C
Z
OUT
Dynamic Output Impedance I
R
= 1 mA,
f = 120 Hz,
I
AC
= 0.1 I
R
V
OUT
=V
REF
V
OUT
= 10V
0.3
2
Ω
Ω
e
N
Wideband Noise I
R
= 100 µA
V
OUT
=V
REF
10 Hz ≤ f ≤ 10 kHz
20 µV
rms
∆V
REF
Reference Voltage
Long Term Stability
(Note 9)
t = 1000 hrs,
I
R
= 100 µA
T = 25˚C
±
0.1˚C
120 ppm
V
HYST
Thermal Hysteresis
(Note 10)
∆T = −40˚C to +125˚C 0.3 mV/V
LM4051
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