LT1738EG#TRPBF Linear Technology, LT1738EG#TRPBF Datasheet - Page 5

• 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: -

TYPICAL PERFOR A CE CHARACTERISTICS
110
100
7.3
7.2
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
6.3
90
80
70
60
50
27
25
23
21
19
17
15
–50 –25
–50 –25
0
Slope Compensation
Gate Drive Undervoltage Lockout
Voltage vs Temperature
SHDN Pin Hysteresis Current vs
Temperature
GCL = 6V
20
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
DUTY CYCLE (%)
25
25
40
50
50
60
75
75
V
T
A
C
= 25 C
100 125 150
PIN = 0.9V
100 125 150
W
80
1738 G12
1738 G15
1738 G09
U
100
10.7
10.6
10.5
10.4
10.3
10.2
10.1
10.0
9.90
9.80
9.70
9.5
9.3
9.1
8.9
8.7
8.5
8.3
8.1
7.9
7.7
7.5
18
17
16
15
14
13
12
11
10
–50 –25
–50 –25
–50 –25
V
Gate Drive High Voltage vs
Temperature
Soft-Start Current vs Temperature
USING LOAD OF FIGURE 1A
f
IN
OSC
V
SS VOLTAGE = 0.9V
Current vs Temperature
IN
= 120kHz
= 12 R
0
V
0
0
IN
TEMPERATURE ( C)
TEMPERATURE ( C)
VSL
TEMPERATURE ( C)
V
= 20 R
IN
25
25
GCL = 12V
GCL = 6V
, R
25
= 12 R
CSL
VSL
50
50
50
= 17k
VSL
, R
CSL
75
, R
75
75
V
NO LOAD
CSL
= 17k
IN
100 125 150
100
100 125 150
= 12V
= 4.85k
125 150
1738 G13
1738 G10
1738 G16
6.5
6.4
6.3
6.2
6.1
6.0
5.9
5.8
5.7
5.6
5.5
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
5.08
5.06
5.04
5.02
5.00
4.98
4.96
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–50 –25
–15
0
Gate Drive Low Voltage vs
Temperature
CS Pin to V
Function
V5 Voltage vs Load Current
T
V
NO LOAD
A
IN
= 25 C
20
= 12V
–10
0
CS PIN VOLTAGE (mV)
TEMPERATURE ( C)
LOAD CURRENT (mA)
40
C
–5
25
Pin Transfer
T = 125 C
T = 25 C
T = –40 C
60
50
0
75
LT1738
80
5
100 125 150
100
10
1738 G11
1738 G14
1738 G17
1738fa
5
120
15