LTC3407EDD-2 Linear Technology, LTC3407EDD-2 Datasheet - Page 4

• Manufacturer Part Number: LTC3407EDD-2
• Description: IC REG DC/DC DUAL STEPDOWN 10DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3407EDD-2

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5 V
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3407-2
TYPICAL PERFORMANCE CHARACTERISTICS
4
0.615
0.610
0.605
0.600
0.595
0.590
0.585
100
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
–50
2
Effi ciency vs Input Voltage
Reference Voltage
vs Temperature
Effi ciency vs Load Current
1
1mA
800mA
V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
CIRCUIT OF FIGURE 1
V
Burst Mode OPERATION
CIRCUIT OF FIGURE 1
V
OUT
OUT
IN
–25
= 3.6V
= 2.5V
= 1.8V
3
0
2.7V
LOAD CURRENT (mA)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3.6V
10
10mA
4.2V
25
4
100mA
50
100
75
5
100
3407 G07
3407 G10
3407 G04
1000
125
500
450
400
350
300
250
200
100
2.5
2.4
2.3
2.2
2.1
2.0
95
90
85
80
75
70
65
60
–50
1
1
Oscillator Frequency
vs Temperature
R
Effi ciency vs Load Current
V
T
DS(ON)
IN
A
SYNCHRONOUS
–25
= 25°C
= 3.6V
2
SWITCH
Burst Mode OPERATION
vs Input Voltage
LOAD CURRENT (mA)
0
TEMPERATURE (°C)
10
3
NO LOAD ON OTHER CHANNEL
MAIN
SWITCH
25
V
IN
PULSE-SKIPPING MODE
V
4
(V)
IN
50
= 3.6V, V
100
5
75
OUT
100
6
= 1.8V
3407 G08
3407 G11
3407 G05
T
A
1000
125
= 25°C unless otherwise specifi ed.
550
500
450
400
350
300
250
200
150
100
–10
10
–2
–4
–6
–8
–1
–2
–3
–4
8
6
4
2
0
–50
4
3
2
1
0
2
Oscillator Frequency
vs Supply Voltage
R
Load Regulation
1
Burst Mode OPERATION
PULSE-SKIPPING MODE
DS(ON)
–25
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
0
vs Temperature
3
= 4.2V
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
TEMPERATURE (°C)
NO LOAD ON OTHER CHANNEL
10
25
V
IN
V
50
4
IN
= 3.6V
V
= 3.6V, V
IN
75
= 2.7V
100
100
OUT
5
= 1.8V
125
3407 G09
3407 G06
3407 G12
34072fc
150
1000
6