Datasheet

LTC3536
4
3536fa
Typical perForMance characTerisTics
No-Load Quiescent Current in
PWM Mode Operation
Input Current Limit vs Supply
Voltage, V
OUT
= GND
Input Current Limit vs Supply
Voltage, V
OUT
= 3.3V
R
DS(ON)
for P-Channel Switch A R
DS(ON)
for N-Channel Switch B R
DS(ON)
for N-Channel Switch C
Efficiency 3.3V vs Load Current
Efficiency Li-Ion (3V, 3.7V, 4.2V)
to 3.3V Output
No-Load Quiescent Current in Burst
Mode Operation (MODE = V
IN
)
T
A
= 25°C, V
IN
= V
OUT
= 3.3 V unless otherwise noted.
LOAD CURRENT (A)
0.001 0.01 0.1
1
40
EFFICIENCY (%)
50
60
70
80
3536 G01
30
20
10
0
90
100
V
IN
= 1.8V
V
IN
= 2.5V
V
IN
= 5.5V
V
IN
= 1.8V BURST
V
IN
= 2.5V BURST
V
IN
= 5.5V BURST
LOAD CURRENT (A)
0.001 0.01 0.1
1
40
EFFICIENCY (%)
50
60
70
80
3536 G02
30
20
10
0
90
100
V
IN
= 3V
V
IN
= 3.7V
V
IN
= 4.2V
V
IN
= 3V BURST
V
IN
= 3.7V BURST
V
IN
= 4.2V BURST
INPUT VOLTAGE (V)
1.5
INPUT QUIESCENT CURRENT (µA)
40
45
50
5.5
3536 G03
35
30
20
2.5
3.5
4.5
2 6
3
4
5
25
60
55
V
OUT
= 1.8V
V
OUT
= 3.3V
V
OUT
= 5.5V
INPUT VOLTAGE (V)
1.5
INPUT QUIESCENT CURRENT (mA)
8
10
12
5.5
3536 G04
6
4
0
2.5
3.5
4.5
2 6
3
4
5
2
14
V
OUT
= 3.3V
V
OUT
= 1.8V
V
OUT
= 5.5V
INPUT VOLTAGE (V)
1.5
INPUT CURRENT LIMIT (A)
1.4
1.6
1.8
2.0
3.5
3536 G05
1.2
1.0
0.9
0.8
0.7
0.6
1.3
1.5
1.7
1.9
1.1
0.5
2
2.5
3
4 4.5 5 5.5 6
125°C
85°C
25°C
–40°C
INPUT VOLTAGE (V)
1.5
R
DS(ON)
(mΩ)
120
240
260
280
2.5
3.5
4
3536 G07
80
200
160
100
220
60
180
140
2
3
4.5
65 5.5
–45°C
0°C
25°C
85°C
125°C
INPUT VOLTAGE (V)
1.5
R
DS(ON)
(mΩ)
120
240
260
280
2.5
3.5
4
3536 G08
80
200
160
100
220
60
180
140
2
3
4.5
65 5.5
–45°C
0°C
25°C
85°C
125°C
INPUT VOLTAGE (V)
1.5
R
DS(ON)
(mΩ)
120
240
260
280
2.5
3.5
4
3536 G09
80
200
160
100
220
60
180
140
2
3
4.5
65 5.5
–45°C
0°C
25°C
85°C
125°C
INPUT VOLTAGE (V)
1.5
INPUT CURRENT LIMIT (A)
2.5
2.7
2.9
3.1
3.5
3536 G06
2.3
2.1
2.0
1.9
1.8
1.7
2.4
2.6
2.8
3.0
2.2
1.6
2
2.5
3
4 4.5 5 5.5 6
125°C
85°C
25°C
–40°C