LT1175IST-5#PBF Linear Technology, LT1175IST-5#PBF Datasheet - Page 2

• Manufacturer Part Number: LT1175IST-5#PBF
• Description: IC LDO REG NEG 5V 500MA SOT223-3
• Manufacturer: Linear Technology

Specifications of LT1175IST-5#PBF

• Regulator Topology: Negative Fixed
• Voltage - Output: -5V
• Voltage - Input: Down to -20V
• Voltage - Dropout (typical): 0.5V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Current - Limit (min): Adjustable
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Primary Input Voltage: 20V
• Output Voltage Fixed: 5V
• Dropout Voltage Vdo: 500mV
• No. Of Pins: 3
• Output Current: 500mA
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
LT1175
Input Voltage (Transient 1 sec, Note 12) ...................25V
Input Voltage (Continuous) .......................................20V
Input-to-Output Differential Voltage (Note 13) ..........20V
5V SENSE Pin (with Respect to GND Pin) ......... 2V, –10V
ADJ SENSE Pin
5V SENSE Pin
PIN CONFIGURATION
2
PINS 1, 8 SHOULD BE CONNECTED TO AN EXPANDED LAND THAT IS OVER AN INTERNAL
ELECTRICAL CONTACT CAN BE MADE TO EITHER PIN. FOR BEST THERMAL RESISTANCE,
(with Respect to OUTPUT Pin) ...................20V, –0.5V
(with Respect to OUTPUT Pin) ......................20V, –7V
PINS 1, 8 ARE INTERNALLY CONNECTED TO DIE ATTACH PADDLE FOR HEAT SINKING.
OUTPUT
SENSE
I
LIM2
DEPENDING ON PC BOARD LAYOUT
V
IN
θ
JA
1
2
3
4
= 80°C/W TO 120°C/W
8-LEAD PDIP
N8 PACKAGE
OUTPUT
TOP VIEW
SENSE
I
LIM2
DEPENDING ON PC BOARD LAYOUT
SEE APPLICATIONS INFORMATION
V
IN
θ
JA
1
2
3
4
OR BACKSIDE PLANE.
8-LEAD PLASTIC SO
= 60°C/W TO 100°C/W
8
7
6
5
S8 PACKAGE
TOP VIEW
V
I
SHDN
GND
LIM4
IN
8
7
6
5
V
I
SHDN
GND
LIM4
IN
TAB
V
IS
IN
DEPENDING ON PC MOUNTING.
SEE DATA SHEET FOR DETAILS
5-LEAD PLASTIC DD-PAK
θ
JA
= 27°C/W TO 60°C/W
FRONT VIEW
Q PACKAGE
(Note 1)
5
4
3
2
1
Output Reverse Voltage ..............................................2V
SHDN Pin to GND Pin Voltage (Note 3) ........ 13.5V, –20V
SHDN Pin to V
Operating Junction Temperature Range (Note 2)
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
LT1175C ................................................. 0°C to 125°C
LT1175I .............................................. –40°C to 125°C
LT1175MP .......................................... –55°C to 125°C
SHDN
GND
V
SENSE
OUTPUT
IN
TAB IS
V
IN
IN
Pin Voltage .............................30V, –5V
θ
5-LEAD PLASTIC TO-220
JA
FRONT VIEW
= 50°C/W, θ
T PACKAGE
TAB IS
5
4
3
2
1
TOPSIDE LAND SOLDERED TO TAB
WITH BACKPLANE AND 10cm
V
3-LEAD PLASTIC SOT-223
JC
IN
= 5°C/W
FRONT VIEW
ST PACKAGE
θ
JA
= 50°C/W
SHDN
V
OUTPUT
IN
3
2
1
GND
SENSE
GND
V
OUTPUT
IN
2
1175ff