LTC1875EGN Linear Technology, LTC1875EGN Datasheet - Page 4

• Manufacturer Part Number: LTC1875EGN
• Description: IC REG STEP-DWN SYNC 1.5A 16SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1875EGN

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 1.5A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.65 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1875
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
0.1
2
0
Output Voltage vs Load Current
Efficiency vs Output Current
Efficiency vs Input Voltage
V
L = 6.8 H
Burst Mode OPERATION
Burst Mode OPERATION
V
L = 4.7 H
OUT
IN
= 3.6V
= 2.5V
100mA
1mA
V
500
V
1
IN
3
OUTPUT CURRENT (mA)
IN
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
= 3V
= 6V
V
IN
1000
10
W
= 4.2V
V
L = 4.7 H
Burst Mode OPERATION
4
OUT
= 1.8V
10mA
U
0.1mA
100
1500
V
IN
5
= 3.6V
1875 G16
1875 G07
1875 G14
1000
2000
6
100mV/DIV
1A/DIV
1V/DIV
V
OUT
I
805
804
803
802
801
800
799
798
797
796
795
100
TH
I
90
80
70
60
50
40
30
20
10
L
0
–50
0.1
Load Step (Burst Mode Operation)
V
V
L = 6.8 H
Reference Voltage vs
Temperature
IN
OUT
Efficiency vs Output Current
V
V
V
IN
= 3.6V
IN
IN
= 1.5V
= 3.6V
–25
= 4.2V
= 6V
1
OUTPUT CURRENT (mA)
V
0
C
C
I
TEMPERATURE ( C)
IN
LOAD
IN
OUT
= 4.2V
V
= 22 F
50 s/DIV
IN
= 47 F
25
= 200mA to 1700mA
= 3.6V
10
V
L = 4.7 H
Burst Mode OPERATION
PULSE SKIPPING MODE
OUT
50
= 1.8V
100
75
100
1875 G08
1875 G13
1875 G15
1000
125
1875f