LT3582/LT3582-5/LT3582-12
25
3582512fb
TYPICAL APPLICATION
LT3582
V
IN
SWP
CAPP
V
NEG
–5V
100mA
CAPP
V
PP
SDA
SCL
CA
GND
SWN
SWN
V
OUTN
I
2
C
INTERFACE
V
OUTP
SHDN
INPUT
2.7V TO 5.5V
V
POS
12V
38mA (V
IN
= 2.7)
58mA (V
IN
= 3.6)
95mA (V
IN
= 5.5)
REG0/OTP0 = B0h
REG1/OTP1 = 4Ch
REG2/OTP2 = 0Bh
D1-D2: DIODES INC. B0540WS-7
L1-L2: COILCRAFT LPS4018-682ML
C1: 4.7µF, 6.3V, X5R, 0805
C2: 10µF, 6.3V, X5R, 0805
C3: 4.7µF, 16V, X5R, 0805
C4: 1µF, 16V, X5R, 0603
C5-C6: 22nF, 0603
L1
6.8µH
D1
C2
10µF
RAMPNRAMPP
C1
4.7µF
C6
22nF
C5
22nF
D2
C4
1µF
C3
4.7µF
L2
6.8µH
3582512 TA04a
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
POWER LOSS (mW)
35
45
65
85
80
90
100
70
60
50
40
30
20
10
0
55
75
95
1 10 100
3582512 TA04b
V
IN
= 3.6V
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 TA04c
V
IN
= 3.6V
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
POWER LOSS (mW)
35
45
65
85
160
180
200
140
120
100
80
60
40
20
0
55
75
95
1 10 100
3582512 TA04d
V
IN
= 3.6V
12V and –5V Outputs from a Single 2.7V to 5.5V Input
Effi ciency and Power Loss, Load from V
OUTP
to V
OUTN
Effi ciency and Power Loss, Load from V
OUTP
to GND
Effi ciency and Power Loss, Load from V
OUTN
to GND
