LTC1266ACS#TR Linear Technology, LTC1266ACS#TR Datasheet - Page 3

• Manufacturer Part Number: LTC1266ACS#TR
• Description: IC CTRLR SW REG SYNC ADJ 16SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of LTC1266ACS#TR

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 50mA
• Frequency - Switching: 400kHz
• Voltage - Input: 3.5 ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
– 40 C < T
SYMBOL
V
V
SYMBOL
V
V
I
I
V
I
I
t
t
t
V
V
I
I
I
V
SHDN
PINV
BINH
CT
OFF
MAX
r
LBLEAK
LBSINK
LBIN
FB
OUT
SENSE 2
SHDN
BINH
, t
CLAMP
LBTRIP
SENSE 1
f
A
PARAMETER
Feedback Voltage
LTC1266AIS
LTC1266CS, LTC1266IS
Regulated Output Voltage
LTC1266CS-3.3, LTC1266IS-3.3
LTC1266CS-5, LTC1266IS-5
PARAMETER
Current Sense Threshold
(Burst Mode Operation Enabled)
Current Sense Threshold
(Burst Mode Operation Disabled)
Shutdown Pin Threshold
Shutdown Pin Input Current
Phase Invert Pin Input Current
Burst Mode Operation
Inhibit Pin Threshold
Burst Mode Operation
Inhibit Pin Input Current
C
Off-Time (Note 4)
Max On-Time
Driver Output Transition Times (Note 7) C
Output Voltage Clamp in
Burst Mode Operation Inhibit
Low-Battery Trip Point
Max Leakage Current Into Pin 14
Max Sink Current Into Pin 14
Max Leakage Current Into Pin 13
LTC1266-5
T
LTC1266
LTC1266-3.3
LTC1266-5
LTC1266
LTC1266-3.3
LTC1266
LTC1266-3.3
LTC1266-5
< 85 C (Note 5), V
Pin Discharge Current
IN
= 10V, unless otherwise noted.
CONDITIONS
V
Topside Switch = N-Ch
V
Topside Switch = N-Ch
CONDITIONS
V
V
0V < V
0V < V
V
0V < V
V
V
C
V
V
V
V
V
V
V
IN
IN
BINH
BINH
IN
SENSE +
OUT
T
OUT
L
BINH
IN
IN
LBOUT
LBOUT
LBIN
V
V
V
V
V
V
V
V
V
V
V
V
Measured at V
Measured at V
Measured at V
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
SENSE –
= 390pF, I
= 3000pF (Pins 1, 16), V
= 9V, I
= 9V, I
= 7V
= 5V
= 12V
= 0V
= 0V, V
A
= 18V
= 0V
= 2.1V
= 2.1V
SHDN
PINV
BINH
= 18V, V
= 1V, V
= 25 C. V
= V
LOAD
LOAD
= 3.3V, V
= 3.3V, V
= V
= V
= V
= V
= 3.3V, V
= 3.3V, V
= V
= V
= V
= V
< 18V, V
< 18V, V
< 8V, V
OUT
IN
The
LOAD
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
LBIN
= 18V
= 700mA, V
= 700mA, V
FB
SENSE –
SENSE –
LBIN
– 100mV, V
+ 100mV (Forced)
– 100mV (Forced)
+ 100mV (Forced)
– 100mV (Forced)
+ 100mV (Forced)
– 100mV (Forced)
+ 100mV (Forced)
– 100mV (Forced)
= 700mA
IN
IN
= 0V, 2.5V < V
FB
FB
FB
FB
IN
IN
denotes specifications which apply over the full operating
= 2V
= 10V, V
= 16V
= V
= V
= V
= V
= 18V
= 18V
OUT
OUT
OUT
OUT
PINV
PINV
IN
SENSE –
/2.64 + 25mV (Forced)
/2.64 – 25mV (Forced)
/2.64 + 25mV (Forced)
/2.64 – 25mV (Forced)
= 6V
SHDN
= V
= V
IN
PWR
PWR
= V
< 18V
= V
OUT
= 14V,
= 14,
BINH
– 300mV
LTC1266-3.3/LTC1266-5
= 0V unless otherwise noted.
1.246
1.210
3.23
4.90
1.14
1.17
MIN
MIN
135
135
135
135
135
135
0.6
0.8
50
4
1
1.265
1.265
3.33
5.05
1.30
3.43
5.20
1.25
1.30
TYP
TYP
155
155
155
– 20
155
– 20
155
– 20
155
100
0.8
1.2
0.2
1.2
0.2
0.2
25
25
25
70
60
25
2
5
8
LTC1266
1.290
1.290
MAX
MAX
3.43
5.20
1.35
1.42
175
175
175
175
175
175
200
200
90
10
2
5
1
2
1
6
1
UNITS
UNITS
3
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
nA
ns
V
V
V
V
V
A
A
V
A
A
A
V
V
V
V
V
A
s
s