LT1738EG#TRPBF Linear Technology, LT1738EG#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LT1738EG#TRPBF
• Description: IC DC/DC CONTRLR LOW NOIS 20SSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Cuk, Flybackr

Specifications of LT1738EG#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5 ~ 100 V
• Frequency - Switching: 20kHz ~ 250kHz
• Voltage - Input: 2.55 ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

ABSOLUTE AXI U RATI GS
LT1738
(Note 1)
Supply Voltage (V
Gate Drive Current ..................................... Internal Limit
V5 Current ................................................. Internal Limit
SHDN Pin Voltage .................................................... 20V
Feedback Pin Voltage (Trans. 10ms) ...................... 10V
Feedback Pin Current ............................................ 10mA
Negative Feedback Pin Voltage (Trans. 10ms) ........ 10V
CS Pin .......................................................................... 5V
GCL Pin ..................................................................... 16V
SS Pin .......................................................................... 3V
Operating Junction Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
temperature range, otherwise specifications are at T
other pins open unless otherwise noted.
SYMBOL
Error Amplifiers
V
I
FB
V
I
NFB
g
I
I
V
V
A
FB
I
ELECTRICAL CHARACTERISTICS
2
FB
NFR
ESK
ESRC
SS
m
REF
NFR
CLH
CLL
V
REG
OV
(Note 3) ............................................ – 40 C to 125 C
REG
PARAMETER
Reference Voltage
Feedback Input Current
Reference Voltage Line Regulation
Negative Feedback Reference Voltage
Negative Feedback Input Current
Negative Feedback Reference Voltage Line Regulation
Error Amplifier Transconductance
Error Amp Sink Current
Error Amp Source Current
Error Amp Clamp Voltage
Error Amp Clamp Voltage
Error Amplifier Voltage Gain
FB Overvoltage Shutdown
Soft-Start Charge Current
IN
W
) ................................................ 20V
W W
U
A
= 25 C. V
The
CONDITIONS
Measured at Feedback Pin
V
2.7V V
Measured at Negative Feedback Pin
with Feedback Pin Open
V
2.7V V
V
V
High Clamp, V
Low Clamp, V
Outputs Drivers Disabled
V
FB
NFB
FB
FB
SS
I
C
IN
= 50 A
= V
= V
= V
= 1V
= V
denotes the specifications which apply over the full operating
= 12V, V
REF
REF
REF
IN
NFR
IN
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
+ 150mV, V
– 150mV, V
FB
20V
20V
FB
C
= 1.5V
= 1V
SYNC
GATE
= 0.9V, V
CAP
GCL
NFB
CS
V5
C
R
FB
T
T
T
JMAX
C
C
20-LEAD PLASTIC SSOP
10
1
2
3
4
5
6
7
8
9
= 0.9V
= 0.9V
= 150 C,
G PACKAGE
FB
TOP VIEW
= V
JA
REF
= 110 C/ W
, R
20
19
18
17
16
15
14
13
12
11
VSL
PGND
NC
NC
V
R
R
SHDN
SS
V
GND
IN
C
, R
VSL
CSL
–2.56
1.235
1100
MIN
–37
700
120
120
180
CSL
U
= 16.9k, R
– 2.50
1.250
0.012
0.009
1500
1.27
0.12
1.47
TYP
– 25
250
200
200
250
9.0
ORDER PART
LT1738EG
LT1738IG
NUMBER
W
T
= 16.9k and
1.265
–2.45
1000
2200
2500
MAX
0.03
0.03
350
350
12
UNITS
1738fa
U
mho
mho
%/V
%/V
V/V
nA
V
V
A
A
A
V
V
V
A