LTC1701ES5#TR Linear Technology, LTC1701ES5#TR Datasheet - Page 3

• Manufacturer Part Number: LTC1701ES5#TR
• Description: IC CONV DC/DC STEP DOWN TSOT23-5
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1701ES5#TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 5 V
• Current - Output: 500mA
• Frequency - Switching: 1MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
100
370
350
330
310
290
270
250
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
95
90
85
80
75
70
3.0
2
Efficiency vs Load Current
Dropout Characteristics
1
Switch Resistance vs
Supply Voltage
V
OUT
I
LOAD
I
LOAD
= 2.5V
= 100mA
3.2
3
= 500mA
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
10
I
V
LOAD
IN
3.4
4
(V)
= 200mA
V
100
IN
V
= 3.3V
IN
V
FIGURE 1
3.6
5
OUT
W
= 5.0V
LTC1701
LTC1701B
= 3.3V
1701 • G01
1701 • G04
701 • G07
1000
U
3.8
6
500mA/DIV
1V/DIV
2V/DIV
–0.20
–0.40
–0.60
–0.80
–1.00
–1.20
–1.40
V
0.60
0.40
0.20
0.00
100
OUT
I
95
90
85
80
75
70
65
60
TH
I
L
2
Efficiency vs Input Voltage
Load Regulation
0
Start-Up
V
CIRCUIT OF FIGURE 1
R
IN
LOAD
= 3.3V, V
V
OUT
= 6
= 5.0V
LTC1701
LTC1701B
3
LOAD CURRENT (mA)
OUT
INPUT VOLTAGE (V)
200
= 2.5V
I
4
LOAD
I
LOAD
=10mA
V
400
OUT
V
=100mA
OUT
5
= 3.3V
= 2.5V
1701 • G02
1701 • G05
1701 G08
600
6
AC COUPLED
LTC1701/LTC1701B
200mA/DIV
50mV/DIV
V
0.30
0.25
0.20
0.15
0.10
0.05
300
250
200
150
100
OUT
50
I
0
0
L
2
DC Supply Current
Line Regulation
2
Transient Response
V
CIRCUIT OF FIGURE 1
I
LOAD
IN
= 3.3V, V
= 100mA TO 500mA STEP
3
3
OUT
INPUT VOLTAGE (V)
= 2.5V
I
LOAD
I
ACTIVE
LOAD
V
SLEEP
IN
4
4
(V)
= 200mA
= 400mA
5
5
1701 • G03
1701 • G06
1701 G09
3
6
6