Datasheet

LTC3588-2
5
35882fa
Typical perForMance characTerisTics
5.0V Output vs Temperature
V
OUT
Load Regulation V
OUT
Line Regulation
4.1V Output vs Temperature 4.5V Output vs Temperature
I
VOUT
vs Temperature
I
PEAK
vs Temperature
R
DS(ON)
of PMOS/NMOS
vs Temperature
TEMPERATURE (°C)
–55
R
DS(ON)
(Ω)
2.0
1.6
1.0
1.4
1.8
1.2
0.8
25 105–15 65
35882 G17
1255 85–35 45
PMOS
NMOS
Operating Waveforms
TEMPERATURE (°C)
–50
V
OUT
(V)
4.20
3.80
3.90
4.00
4.10
3.70
25 1000 75
35882 G10
125–25 50
PGOOD FALLING
WAKE-UP THRESHOLD
SLEEP THRESHOLD
TEMPERATURE (°C)
–50
V
OUT
(V)
4.60
4.20
4.30
4.40
4.50
4.10
25 1000 75
35882 G11
125–25 50
PGOOD FALLING
WAKE-UP THRESHOLD
SLEEP THRESHOLD
TEMPERATURE (°C)
–50
V
OUT
(V)
5.10
5.00
4.60
4.70
4.80
4.90
4.50
25 1000 75
35882 G12
125–25 50
PGOOD FALLING
WAKE-UP THRESHOLD
SLEEP THRESHOLD
LOAD CURRENT (A)
V
OUT
(V)
35882 G13
4.20
4.05
4.10
4.15
4.00
1µ 10µ 10m 100m1m100µ
V
IN
= 18V, C
OUT
= 100µF, D1 = 0, D0 = 1
V
IN
(V)
V
OUT
(V)
35882 G14
4.15
4.14
4.06
4.07
4.08
4.09
4.13
4.12
4.11
4.10
4.05
14 17 181615
C
OUT
= 100µF, I
LOAD
= 60mA,
D1 = 0, D0 = 1
TEMPERATURE (°C)
–50
I
VOUT
(nA)
160
120
60
100
140
80
40
25 100–25 50
35882 G15
1250 75
V
OUT
= 5.0V
V
OUT
= 4.1V
V
OUT
= 4.5V
V
OUT
= 3.45V
TEMPERATURE (°C)
–50
I
PEAK
(mA)
300
280
250
240
230
210
270
290
220
260
200
25 100–25 50
35882 G16
1250 75
2.5µs/DIV
OUTPUT
VOLTAGE
50mV/DIV
AC-COUPLED
INDUCTOR
CURRENT
200mA/DIV
V
IN
= 18V, V
OUT
= 5.0V
I
LOAD
= 1mA
L = 22µH, C
OUT
= 47µF
SWITCH
VOLTAGE
10V/DIV
0mA
0V
35882 G18