LTC3221EDC-5#PBF Linear Technology, LTC3221EDC-5#PBF Datasheet - Page 3

• Manufacturer Part Number: LTC3221EDC-5#PBF
• Manufacturer: Linear Technology

Specifications of LTC3221EDC-5#PBF

• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 6
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Compliant

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
C
SYMBOL
LTC3221-3.3/LTC3221-5
I
V
V
I
I
LTC3221/LTC3221-3.3/LTC3221-5
f
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC3221EDC-X is guaranteed to meet performance
specifi cations from 0°C to 70°C. Specifi caiton over the –40°C to 85°C
TYPICAL PERFOR A CE CHARACTERISTICS
⎯ S ⎯ H ⎯ D ⎯ N
IH
IL
OSC
IH
IL
UVLO
FLY
800
750
700
650
600
550
500
450
400
0.9
0.8
0.7
0.6
0.5
0.4
= 1µF, C
–50
1.5
Oscillator Frequency vs
Supply Voltage
⎯ S ⎯ H ⎯ D ⎯ N LO-to-HI Threshold vs
Temperature
–25
2.0
IN
= 2.2µF, C
SUPPLY VOLTAGE (V)
0
TEMPERATURE (°C)
2.5
PARAMETER
Shutdown Supply Current
⎯ S ⎯ H ⎯ D ⎯ N Input Threshold (High)
⎯ S ⎯ H ⎯ D ⎯ N Input Threshold (Low)
⎯ S ⎯ H ⎯ D ⎯ N Input Current (High)
⎯ S ⎯ H ⎯ D ⎯ N Input Current (Low)
Switching Frequency
UVLO Threshold
25
3.0
OUT
50
= 2.2µF, unless otherwise specifi ed.
3.5
75
W
V
V
IN
V
IN
IN
4.0
= 3.2V
100
= 1.8V
= 2.5V
3221 G04
3221 G01
U
125
4.5
800
750
700
650
600
550
500
450
400
0.9
0.8
0.7
0.6
0.5
0.4
–50
–50
A
CONDITIONS
V
⎯ S ⎯ H ⎯ D ⎯ N = V
⎯ S ⎯ H ⎯ D ⎯ N = 0V
V
Oscillator Frequency vs
Temperature
⎯ S ⎯ H ⎯ D ⎯ N HI-to-LO Threshold vs
Temperature
OUT
OUT
= 25°C. V
V
IN
V
V
V
V
IN
IN
–25
IN
–25
IN
= 2.5V
= 0V, ⎯ S ⎯ H ⎯ D ⎯ N = 0V
= 2.5V
= 2.5V
= 3.2V
The
= 1.8V
= 4.5V
IN
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
●
IN
denotes the specifi cations which apply over the full operating
= 2.5V (LTC3221-3.3/LTC3221) or 3V (LTC3221-5), ⎯ S ⎯ H ⎯ D ⎯ N = V
25
25
operating temperature range are assured by design, characterization and
correlation with statisitical process controls.
Note 3: Guaranteed by design, not subject to test.
Note 4: R
V
IN
50
50
= 1.8V
75
75
OL
LTC3221-3.3/LTC3221-5
= (2V
100
100
3221 G02
3221 G05
IN
125
125
– V
OUT
)/I
OUT
150
130
110
●
●
●
●
●
0.9
0.8
0.7
0.6
0.5
0.4
90
70
50
1.5
1.5
.
⎯ S ⎯ H ⎯ D ⎯ N Threshold Voltage vs
Supply Voltage
Short-Circuit Current vs
Supply Voltage
MIN
LOW-TO-HIGH THRESHOLD
1.3
–1
–1
T
A
2.0
2.0
= 25°C
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
2.5
2.5
TYP
600
HIGH-TO-LOW THRESHOLD
1
LTC3221/
T
T
3.0
3.0
A
A
= –45°C
= 90°C
MAX
0.4
3.5
3.5
1
1
1
4.0
4.0
IN
,
3221 G03
3221 G06
UNITS
3
3221f
kHz
4.5
4.5
µA
µA
µA
V
V
V