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LT1964ES5-SD#TRMPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LT1964
1
1964fb
TYPICAL APPLICATION
DESCRIPTION
200mA, Low Noise,
Low Dropout Negative
Micropower Regulator
The LT
®
1964 is a micropower low noise, low dropout nega-
tive regulator. The device is capable of supplying 200mA
of output current with a dropout voltage of 340mV. Low
quiescent current (30μA operating and 3μA shutdown)
makes the LT1964 an excellent choice for battery-pow-
ered applications. Quiescent current is well controlled in
dropout.
Other features of the LT1964 include low output noise.
With the addition of an external 0.01μF bypass capacitor,
output noise is reduced to 30μV
RMS
over a 10Hz to 100kHz
bandwidth. The LT1964 is capable of operating with small
capacitors and is stable with output capacitors as low
as 1μF. Small ceramic capacitors can be used without
the necessary addition of ESR as is common with other
regulators. Internal protection circuitry includes reverse
output protection, current limiting, and thermal limiting.
The device is available with a fi xed output voltage of –5V
and as an adjustable device with a –1.22V reference volt-
age. The LT1964 regulators are available in a low profi le
(1mm) ThinSOT and the low profi le (0.75mm) 8-pin
(3mm × 3mm) DFN packages.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is
a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
FEATURES
APPLICATIONS
n
Low Noise: 30μV
RMS
(10Hz to 100kHz)
n
Low Quiescent Current: 30μA
n
Low Dropout Voltage: 340mV
n
Output Current: 200mA
n
Fixed Output Voltage: –5V
n
Adjustable Output from –1.22V to –20V
n
Positive or Negative Shutdown Logic
n
3μA Quiescent Current in Shutdown
n
Stable with 1μF Output Capacitor
n
Stable with Aluminum, Tantalum, or Ceramic
Capacitors
n
Thermal Limiting
n
Low Profi le (1mm) ThinSOT™ and (0.75mm) 8-Pin
3mm × 3mm DFN Packages
n
Battery-Powered Instruments
n
Low Noise Regulator for Noise-Sensitive
Instrumentation
n
Negative Complement to LT1761 Family of
Positive LDOs
–5V Low Noise Regulator
10Hz to 100kHz Output Noise
1964 TA01a
GND
SHDN BYP
IN
OUT
LT1964-5
1μF
10μF
0.01μF
V
IN
–5.4V
TO –20V
–5V AT 200mA
30μV
RMS
NOISE
V
OUT
100μV/DIV
1ms/DIV
1964 TA01b
30μV
RMS
LT1964
2
1964fb
ABSOLUTE MAXIMUM RATINGS
IN Pin Voltage ........................................................ ±20V
OUT Pin Voltage (Note 11) ......................................±20V
OUT to IN Differential Voltage (Note 11) ........ –0.5V, 20V
ADJ Pin Voltage
(with Respect to IN Pin) (Note 11) ............. –0.5V, 20V
BYP Pin Voltage
(with Respect to IN Pin) ..................................... ±20V
SHDN Pin Voltage
(with Respect to IN Pin) (Note 11) ............. –0.5V, 35V
(Note 1)
LT1964
LT1964-SD
TOP VIEW
DD PACKAGE
8-LEAD (3mm s 3mm) PLASTIC DFN
5
6
7
8
9
4
3
2
1OUT
OUT
ADJ
S
HDN
IN
IN
GND
BYP
T
JMAX
= 125°C, θ
JA
= 40°C/W, θ
JC
= 16°C/W
(NOTE 13)
EXPOSED PAD (PIN 9) IS IN, MUST BE SOLDERED TO PCB
5 OUT
4 ADJ
GND 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
IN 2
SHDN 3
T
JMAX
= 150°C, θ
JA
≈125°C/W to 250°C/W
(NOTE 13)
SEE THE APPLICATIONS INFORMATION SECTION
LT1964-BYP LT1964-5
5 OUT
4 ADJ
GND 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
IN 2
BYP 3
T
JMAX
= 150°C, θ
JA
≈125°C/W to 250°C/W
(NOTE 13)
SEE THE APPLICATIONS INFORMATION SECTION
5 OUT
4 SHD
N
GND 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
IN 2
BYP 3
T
JMAX
= 150°C, θ
JA
≈125°C/W to 250°C/W
(NOTE 13)
SEE THE APPLICATIONS INFORMATION SECTION
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1964ES5-SD#PBF LT1964ES5-SD#TRPBF LTVX 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964ES5-BYP#PBF LT1964ES5-BYP#TRPBF LTVY 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964ES5-5#PBF LT1964ES5-5#TRPBF LTVZ 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964EDD#PBF LT1964EDD#TRPBF LDVM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT1964IS5-SD#PBF LT1964IS5-SD#TRPBF LTVX 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IS5-BYP#PBF LT1964IS5-BYP#TRPBF LTVY 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IS5-5#PBF LT1964IS5-5#TRPBF LTVZ 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IDD#PBF LT1964IDD#TRPBF LDVM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
SHDN Pin Voltage
(with Respect to GND Pin) ..........................–20V, 15V
Output Short-Circuit Duration .......................... Indefi nite
Operating Junction Temperature (E, I Grade)
Range (Note 10) ............................... – 40°C to 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SOT-23 Package ................................................300°C
LT1964
3
1964fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Regulated Output Voltage
(Notes 3, 9)
LT1964-5 V
IN
= –5.5V, I
LOAD
= –1mA
–20V < V
IN
< –6V, –200mA < I
LOAD
< –1mA
l
–4.925
–4.850
–5
–5
–5.075
–5.150
V
V
ADJ Pin Voltage
(Notes 2, 3, 9)
LT1964 V
IN
= –2V, I
LOAD
= –1mA
–20V < V
IN
< –2.8V, –200mA < I
LOAD
< –1mA
l
–1.202
–1.184
–1.22
–1.22
–1.238
–1.256
V
V
Line Regulation LT1964-5 ΔV
IN
= –5.5V to –20V, I
LOAD
= –1mA
LT1964 (Note 2) ΔV
IN
= –2.8V to –20V, I
LOAD
= –1mA
l
l
15
1
50
12
mV
mV
Load Regulation LT1964-5 V
IN
= –6V, ΔI
LOAD
= –1mA to –200mA
V
IN
= –6V, ΔI
LOAD
= –1mA to –200mA
l
15 35
50
mV
mV
LT1964 V
IN
= –2.8V, ΔI
LOAD
= –1mA to –200mA
V
IN
= –2.8V, ΔI
LOAD
= –1mA to –200mA
l
27
15
mV
mV
Dropout Voltage
V
IN
= V
OUT(NOMINAL)
(Notes 4, 5)
I
LOAD
= –1mA
I
LOAD
= –1mA
l
0.1 0.15
0.19
V
V
I
LOAD
= –10mA
I
LOAD
= –10mA
l
0.15 0.20
0.25
V
V
I
LOAD
= –100mA
I
LOAD
= –100mA
l
0.26 0.33
0.39
V
V
I
LOAD
= –200mA
I
LOAD
= –200mA
l
0.34 0.42
0.49
V
V
GND Pin Current
V
IN
= V
OUT(NOMINAL)
(Notes 4, 6)
I
LOAD
= 0mA
I
LOAD
= –1mA
I
LOAD
= –10mA
I
LOAD
= –100mA
I
LOAD
= –200mA
l
l
l
l
l
30
85
300
1.3
2.5
70
180
600
3
6
μA
μA
μA
mA
mA
ORDER INFORMATION
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1964ES5-SD LT1964ES5-SD#TR LTVX 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964ES5-BYP LT1964ES5-BYP#TR LTVY 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964ES5-5 LT1964ES5-5#TR LTVZ 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964EDD LT1964EDD#TR LDVM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT1964IS5-SD LT1964IS5-SD#TR LTVX 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IS5-BYP LT1964IS5-BYP#TR LTVY 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IS5-5 LT1964IS5-5#TR LTVZ 5-Lead Plastic SOT-23 –40°C to 125°C
LT1964IDD LT1964IDD#TR LDVM
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LT1964ES5-SD#TRMPBF

Mfr. #:
Buy LT1964ES5-SD#TRMPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators 200mA L/N Negative LDO in Thin SOT
Lifecycle:
New from this manufacturer.
Delivery:
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