LTC1436AIGN Linear Technology, LTC1436AIGN Datasheet - Page 5

• Manufacturer Part Number: LTC1436AIGN
• Description: IC SW REG SYNC STEP-DOWN 24-SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1436AIGN

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.19 ~ 9 V
• Current - Output: 50mA
• Frequency - Switching: 125kHz ~ 240kHz
• Voltage - Input: 3.5 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
Burst Mode is a registered trademark of Linear Technology Corporation.
100
0.2
0.1
0.5
0.4
0.3
2.5
2.0
1.5
1.0
0.5
95
90
85
80
75
70
0
0
0
0
0
Efficiency vs Input Voltage
V
V
vs Load Current
Input Supply Current
vs Input Voltage
R
V
OUT
V
IN
SENSE
OUT
OUT
– V
0.5
= 3.3V
DROP OF 5%
5
= 3.3V
5
SHUTDOWN
OUT
V
EXTV
= 0.033Ω
OUT
INPUT VOLTAGE (V)
LOAD CURRENT (A)
INPUT VOLTAGE (V)
1.0
EXTV
10
10
CC
Dropout Voltage
= 5V
V
OUT
= V
I
LOAD
CC
OUT
= 3.3V
1.5
15
15
= OPEN
= 1A
I
LOAD
2.0
20
20
= 100mA
W
2.5
25
25
1436 G01
1436 G04
1436 G07
U
3.0
30
30
100
80
60
40
20
0
– 0.25
– 0.50
– 0.75
–1.00
–1.25
–1.50
100
95
75
70
90
85
80
0
– 0.3
– 0.5
0
0
Efficiency vs Input Voltage
V
Load Regulation
0.5
0.3
OUT
0
INTV
vs INTV
0
0.5
V
I
5
= 5V
LOAD
EXTVCC
CC
= 100mA
INPUT VOLTAGE (V)
LOAD CURRENT (A)
INTV
1.0
10
Regulation
CC
= 0V
5
CC
Load Current
70°C
25°C
LOAD CURRENT (mA)
1.5
15
I
LOAD
10
R
SENSE
2.0
20
= 1A
V
= 0.033Ω
OUT
2.5
25
15
= 5V
1436 G02
1436 G05
LTC1436A-PLL/LTC1437A
3.0
30
1436 G08
20
100
200
180
160
140
120
100
3.0
2.5
2.0
1.5
1.0
0.5
80
95
90
85
75
70
65
60
55
50
80
60
40
20
0
0.001
0
0
0
Efficiency vs Load Current
V
EXTV
vs INTV
V
V
R
ITH
OPERATION
Burst Mode
IN
OUT
SENSE
10
2
= 10V
Pin Voltage vs Output Current
= 5V
CC
20
4
INTV
= 0.033Ω
0.01
CC
Switch Drop
OUTPUT CURRENT (%)
30
LOAD CURRENT (A)
6
CC
Load Current
LOAD CURRENT (mA)
40
8
LTC1436A
CONTINUOUS/Adaptive
Power MODE
0.1
50
10
Adaptive Power
MODE
Burst Mode
OPERATION
60
12
CONTINUOUS
MODE
70
14
1
80
16
®
– 55°C
14367afb
70°C
25°C
90
1435 G03
1436 G06
18
1436 G09
5
100
10
20