LTC1772BES6#TRM Linear Technology, LTC1772BES6#TRM Datasheet - Page 2

• Manufacturer Part Number: LTC1772BES6#TRM
• Description: IC CTRLR DC/DC S-DWN SOT23-6
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1772BES6#TRM

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.5 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-6, TSOT-6
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: LTC1772BES6#TRMTR

ABSOLUTE MAXIMUM RATINGS
LTC1772B
(Note 1)
Input Supply Voltage (V
SENSE
V
PGATE Peak Output Current (< 10µs) ........................ 1A
Storage Ambient Temperature Range.....– 65°C to 150°C
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................ 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
PARAMETER
Input DC Supply Current
Undervoltage Lockout Threshold
Shutdown Threshold (at I
Start-Up Current Source
Regulated Feedback Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
LEAD FREE FINISH
LTC1772BES6#PBF
LTC1772BIS6#PBF
LEAD BASED FINISH
LTC1772BES6
LTC1772BIS6
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:
For more information on tape and reel specifi cations, go to:
2
FB
Normal Operation
Shutdown
UVLO
, I
TH
–
/RUN Voltages............................... –0.3V to 2.4V
, PGATE Voltages ...............–0.3V to (V
TH
/RUN)
TAPE AND REEL
LTC1772BES6#TRPBF
LTC1772BIS6#TRPBF
TAPE AND REEL
LTC1772BES6#TR
LTC1772BIS6#TR
IN
) .........................– 0.3V to 10V
CONDITIONS
Typicals at V
V
V
V
0°C to 70°C (Note 5)
–40°C to 85°C (Note 5)
2.4V ≤ V
I
I
TH
TH
IN
IN
ITH
/RUN Sinking 5μA (Note 5)
/RUN Sourcing 5μA (Note 5)
2.4V ≤ V
2.4V ≤ V
V
Falling
Rising
/RUN = 0V
IN
< UVLO Threshold
IN
≤ 9.8V (Note 5)
IN
IN
IN
≤ 9.8V, PGATE Logic High
≤ 9.8V, V
= 4.2V (Note 4)
http://www.linear.com/leadfree/
PART MARKING*
LTVU
LTVU
PART MARKING*
LTVU
LTVU
ITH
http://www.linear.com/tapeandreel/
A
IN
= 25°C. V
/RUN = 0V
+ 0.3V)
The
l
IN
denotes the specifi cations which apply over the full operating
= 4.2V unless otherwise specifi ed. (Note 2)
PIN CONFIGURATION
PACKAGE DESCRIPTION
6-Lead Plastic TSOT Package
6-Lead Plastic TSOT Package
PACKAGE DESCRIPTION
6-Lead Plastic TSOT Package
6-Lead Plastic TSOT Package
I
TH
/RUN 1
GND 2
l
l
l
l
V
T
FB
JMAX
6-LEAD PLASTIC TSOT-23
3
= 150°C, θ
0.780
0.770
1.55
1.85
0.15
0.25
MIN
S6 PACKAGE
TOP VIEW
JA
= 230°C/W
0.800
0.800
2.00
2.10
0.35
0.05
TYP
270
0.5
2.5
2.5
8
6
6 PGATE
5 V
4 SENSE
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
IN
–
0.820
0.830
MAX
2.35
2.40
0.55
0.85
420
22
10
mV/μA
mV/μA
UNITS
1772bfa
mV/V
μA
μA
μA
μA
V
V
V
V
V