LT3500IMSE#TRPBF Linear Technology, LT3500IMSE#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LT3500IMSE#TRPBF
• Description: IC REG STEP-DOWN 2A 16-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3500IMSE#TRPBF

• Topology: Step-Down (Buck) (1), Linear (LDO) (1)
• Function: Any Function
• Number Of Outputs: 2
• Frequency - Switching: 500kHz ~ 2.4MHz
• Voltage/current - Output 1: 0.8 ~ 38.9 V, 2A
• Voltage/current - Output 2: Adjustable, 13mA
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 3 V ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-MSOP Exposed Pad
• Current - Output: 2A
• Voltage - Output: 0.8 ~ 38.9 V
• Voltage - Input: 3 ~ 36 V
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

PARAMETER
SHDN Threshold
SHDN Source Current
SHDN Current Hysterisis
Minimum Input Voltage (Note 3)
Supply Shutdown Current
Supply Quiescent Current
FB Voltage
FB Bias Current
Error Amplifi er g
Error Amplifi er Source Current
Error Amplifi er Sink Current
Error Amplifi er High Clamp
Error Amplifi er Switching Threshold
SS Source Current
SS Sink Current
SS POR Sink Current (Note 4)
SS POR Threshold
SS to FB Offset (V
PG/PG Leakage
PG/PG Threshold (Rising)
PG/PG Hysteresis (Falling)
PG Sink Current
PG Sink Current
R
Switching Frequency
SYNC Frequency Range
Minimum Switch On Time
Minimum Switch Off Time
Switch Leakage Current
Switch Saturation Voltage
Switch Peak Current DD Package
Switch Peak Current MSE Package
Boost Current
Minimum Boost Voltage (Note 5)
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
T
/SYNC Reference Voltage
m
SS
– V
FB
)
CONDITIONS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
R
R
R
V
V
V
I
V
V
I
I
SW
SW
SW
SHDN
FB
SHDN
FB
VC
VC
FB
VC
FB
FB
FB
FB
SS
FB
FB
VC
FB
PG
PG
PG
PG
FB
RT/SYNC
RT/SYNC
RT/SYNC
FB
FB
SW
BST
BST
= 0V
= 0.9V
= 0.8V, V
= 0.6V, V
= 1V, V
= 0.6V
= 0.6V
= 0V, V
= 0V, V
= 0.9V, V
= 0.9V, R
= 0.7V, R
= 0.7V, R
= 1V
= 0.8V to 1.6V, V
= 1V, I
= 0.4V, V
= V
= 2A, V
= 2A, V
= 2A, V
= 0.4V
= 0.4V
= 0.4V, V
= 0.4V, V
= 0V
= 18V, V
= 18V, V
= 0.62V
= 0V
FS
, V
= 90.9k
= 90.9k
= 15k
J
VC
VC
SS
SS
BST
BST
FB
= 25°C. V
SS
VC
VC
PG
RT/SYNC
RT/SYNC
RT/SYNC
FB
FB
FB
= ±10μA
FB
FB
= 1V
= 2V
= 2V, Cycle SHDN
= 0.7V
/V
= 0.4V
= 18V, V
= 20V, V
= 1V
= 1V
= 0.9V
= 0.7V
= 0.9V
= 0.7V
= 0.7V
PG
The
= 40V
IN
= 15k
= 90.9k
= 90.9k
l
VIN
= 3V to 40V
FB
FB
denotes the specifi cations which apply over the full operating
= 0.7V
= 0.7V
= 15V, V
RT/SYNC
= 2V, unless otherwise specifi ed.
l
l
l
l
l
l
l
l
l
0.784
0.776
0.685
1.25
2.25
0.75
MIN
710
150
300
400
250
500
450
425
250
1.5
1.8
0.6
2.3
2.1
2.3
2.1
12
14
50
70
20
20
2
0.708
0.850
2.75
TYP
100
760
250
600
600
100
500
800
500
500
140
120
450
2.5
2.4
2.5
0.8
0.8
2.0
0.8
0.1
2.4
2.8
2.8
2.9
2.9
2.2
12
50
16
18
30
30
2
1
LT3500
0.816
0.824
0.730
0.975
1100
2500
MAX
3.25
3.75
780
150
350
900
800
150
120
750
550
625
3.5
2.8
3.5
2.2
1.0
2.8
3.5
3.5
3.5
3.7
30
20
22
40
10
45
1
3
UNITS
μmho
3500fc
3
MHz
kHz
kHz
kHz
mV
mA
mV
mV
mV
mV
mA
μA
μA
μA
nA
μA
μA
μA
μA
μA
μA
μA
μA
μA
ns
ns
V
V
V
V
V
V
V
A
A
A
A
V