LT3009ESC8-1.8#TRPBF Linear Technology, LT3009ESC8-1.8#TRPBF Datasheet - Page 5

• Manufacturer Part Number: LT3009ESC8-1.8#TRPBF
• Description: IC REG LDO 1.8V 20MA SC70-8
• Manufacturer: Linear Technology

Specifications of LT3009ESC8-1.8#TRPBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.28V @ 20mA
• Number Of Regulators: 1
• Current - Output: 20mA
• Current - Limit (min): 22mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-70-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage Noise (Note 9)
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
Quiescent Current in Shutdown
Ripple Rejection (Note 3)
Current Limit
Input Reverse Leakage Current
Reverse Output Current
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3009 regulators are tested and specifi ed under pulse load
conditions such that T
Performance at –40°C and 125°C is assured by design, characterization
and correlation with statistical process controls. The LT3009I is guaranteed
over the full –40°C to 125°C operating junction temperature range.
Note 3: The LT3009 adjustable version is tested and specifi ed for these
conditions with the ADJ pin connected to the OUT pin.
Note 4: Operating conditions are limited by maximum junction temperature.
The regulated output voltage specifi cation will not apply for all possible
combinations of input voltage and output current. When operating at the
maximum input voltage, the output current range must be limited. When
operating at the maximum output current, the input voltage must be limited.
Note 5: Dropout voltage is the minimum input to output voltage differential
needed to maintain regulation at a specifi ed output current. In dropout,
the output voltage equals (V
temperature range, otherwise specifi cations are at T
J
≈ T
A
. The LT3009E is 100% tested at T
IN
– V
DROPOUT
). For the LT3009-1.2, dropout
CONDITIONS
C
V
V
V
V
V
V
f
LT3009
LT3009-1.2
LT3009-1.5
LT3009-1.8
LT3009-2.5
LT3009-3.3
LT3009-5
V
V
V
V
RIPPLE
OUT
OUT
OUT
SHDN
SHDN
IN
IN
IN
IN
IN
OUT
= 6V, V
– V
= 20V, V
= V
= –20V, V
= 1μF, I
= Off to On
= On to Off
= 1.2V, V
J
= 0V, V
= 20V, V
OUT
OUT(NOMINAL)
= 120Hz, I
A
= 25°C. (Note 2)
= 25°C.
SHDN
= 1.5V, V
OUT
LOAD
OUT
The
IN
IN
IN
= 20V
= 0V
= 0
= 0
= 20V
= 0
LOAD
= 20mA, BW = 10Hz to 100kHz
l
RIPPLE
+ 1V, ΔV
denotes the specifi cations which apply over the full operating
= 20mA
voltage will be limited by the minimum input voltage under some voltage/
load conditions.
Note 6: To satisfy minimum input voltage requirements, the LT3009
adjustable version is tested and specifi ed for these conditions with an
external resistor divider (61.9k bottom, 280k top) which sets V
The external resistor divider adds 9.69μA of DC load on the output. This
external current is not factored into GND pin current.
Note 7: GND pin current is tested with V
current source load. GND pin current will increase in dropout. For the fi xed
output voltage versions, an internal resistor divider will add to the GND
pin current (∼2μA for the LT3009-5, ∼1μA for the LT3009-1.2, LT3009-1.5,
LT3009-1.8, LT3009-2.5 and LT3009-3.3). See the GND Pin Current curves
in the Typical Performance Characteristics section.
Note 8: The SHDN pin can be driven below GND only when tied to the IN
pin directly or through a pull-up resistor. If the SHDN pin is driven below
GND by more than –0.3V while IN is powered, the output will turn on.
Note 9: Output noise is listed for the adjustable version with the ADJ pin
connected to the OUT pin. See the RMS Output Noise vs Load Current
curve in the Typical Performance Characteristics Section.
= 0.5V
OUT
= – 5%
P-P
,
l
l
l
l
l
l
l
l
MIN
55.5
–10
0.2
60
57
54
52
49
44
22
LT3009 Series
IN
= V
OUT(NOMINAL)
0.66
0.36
TYP
150
200
0.3
0.5
0.6
72
68
67
66
63
61
56
60
MAX
350
1.5
1.6
10
±1
<1
10
+ 0.5V and a
OUT
to 3.3V.
μV
UNITS
3009fc
5
RMS
mA
mA
nA
μA
μA
μA
dB
dB
dB
dB
dB
dB
dB
μA
μA
V
V