LTC3407EDD Linear Technology, LTC3407EDD Datasheet - Page 4

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

Specifications of LTC3407EDD

• 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
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
V
CIRCUIT OF FIGURE 1
V
T
OUT
600mA
IN
A
1mA
–25
= 25°C
= 3.6V
= 1.8V
V
CIRCUIT OF FIGURE 1
OUT
3
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
4.2V
10mA
10
= 2.5V Burst Mode OPERATION
25
4
3.3V
100mA
50
100
75
2.7V
5
100
3407 G07
3407 G04
3407 G10
125
1000
6
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
100
500
450
400
350
300
250
200
95
90
85
80
75
70
65
60
–50
Oscillator Frequency vs
Temperature
R
1
Effi ciency vs Load Current
1
DS(ON)
T
A
–25
SYNCHRONOUS
= 25°C
Burst Mode OPERATION
2
SWITCH
vs Input Voltage
0
LOAD CURRENT (mA)
TEMPERATURE (°C)
10
V
NO LOAD ON OTHER CHANNEL
3
IN
MAIN
SWITCH
= 3.6V, V
25
V
IN
PULSE-SKIPPING
MODE
4
(V)
50
OUT
100
5
75
= 1.8V
100
6
3407 G05
3407 G08
3407 G11
1000
125
7
550
500
450
400
350
300
250
200
150
100
1.8
1.7
1.6
1.5
1.4
1.3
1.2
–1
–2
–3
–4
4
3
2
1
0
–50
2
1
Oscillator Frequency vs Supply
Voltage
R
Load Regulation
Burst Mode OPERATION
PULSE-SKIPPING
DS(ON)
T
A
–25
= 25°C
MODE
MAIN SWITCH
SYNCHRONOUS SWITCH
V
IN
vs Temperature
3
0
LOAD CURRENT (mA)
SUPPLY VOLTAGE (V)
= 4.2V
TEMPERATURE (°C)
10
V
NO LOAD ON OTHER CHANNEL
IN
25
= 3.6V, V
V
IN
50
4
= 3.6V
V
IN
OUT
75
100
= 2.7V
= 1.8V
100
5
125
3407 G06
3407 G12
3407 G09
3407fa
1000
150
6