LT3582/LT3582-5/LT3582-12
23
3582512fb
TYPICAL APPLICATION
LT3582
V
IN
SWP
CAPP
V
NEG
–5V
100mA (V
IN
≥ 2.7V)
125mA (V
IN
≥ 3.3V)
CAPP
V
PP
SDA
SCL
CA
GND
SWN
SWN
V
OUTN
V
OUTP
SHDN
INPUT
2.7V TO 3.8V
V
POS
5V
100mA (V
IN
≥ 2.7V)
124mA (V
IN
≥ 3.3V)
REG0/OTP0 = 24h
REG1/OTP1 = 4Ch
REG2/OTP2 = 03h
D1-D2: DIODES INC. B0540WS-7
L1-L2: COILCRAFT LPS4018-682ML
C1: 4.7µF, 6.3V, X5R, 0805
C2-C3: 10µF, 6.3V, X5R 0805
C4: 1µF, 6.3V, X5R, 0603
C5-C6: 22nF, 0603
L1
6.8µH
D1
C2
10µF
C6
22nF
C5
22nF
RAMPNRAMPP
C1
4.7µF
C3
10µF
D2
C4
1µF
L2
6.8µH
3582512 TA02a
I
2
C
INTERFACE
OPTIONAL ON
LT3582-5
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
POWER LOSS (mW)
35
45
65
85
100
90
80
70
60
50
40
30
20
10
0
55
75
95
1 10 100
3582512 TA02b
V
IN
= 3.3V
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
POWER LOSS (mW)
35
45
65
85
180
160
140
120
100
80
60
40
20
0
55
75
95
1 10 100
3582512 TA02c
V
IN
= 3.3V
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
POWER LOSS (mW)
35
45
65
85
300
250
200
150
100
50
0
55
75
95
1 10 100
3582512 TA02d
V
IN
= 3.3V
±5V Outputs from a Single 2.7V to 3.8V Input
Effi ciency and Power Loss, Load from V
OUTP
to GND Effi ciency and Power Loss, Load from V
OUTN
to GND
Effi ciency and Power Loss, Load from V
OUTP
to V
OUTN
