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LT1577CS-ADJ/ADJ#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
16
L
T1575/L
T1577
TYPICAL APPLICA
TIO
N
S
N
U
12V to 3.3V/9A (14A Peak) Hybrid Regulator
Transient Response to a 10A Load Step
50mV/DIV
200
µ
s/DIV
1575/77 TA17
+
+
+
+
+
1575/77 TA16
TG
SW
BOOST
INTV
CC
BG
S
+
S
–
EXTV
CC
C
OSC
RUN/SS
I
TH
SFB
SGND
V
OS
9
1
2
3
4
5
6
16
14
15
12
11
8
7
13
10
C4, 4.7
µ
F
C5
0.1
µ
F
D2
MBRS330T3
R8
15K
R3
100
R4
100
C18
1000
µ
F
10V
C20
1000
µ
F
10V
C19
1000
µ
F
10V
R6
0.0075
Ω
L1
4
µ
H
C2, 1000pF
V
IN
LTC1435
C21, 10pF
C22, 1000pF
R2
1.21k
1%
C1, 470pF
R9
2k
Q1
IRLZ44
R1
2.1k, 1%
V
CORE
3.3V
1
2
3
4
8
7
6
5
PGND
D1, CMDSH-3
Q3
Q2
C16
1
µ
F
C14
150
µ
F
16V
C15
1
µ
F
C17
1
µ
F
12V
C11
150
µ
F
16V
C12
150
µ
F
16V
C13
150
µ
F
16V
C3, 0.1
µ
F
C9
1500pF
R5
16.5k
C10, 1000pF
C8, 68pF
C7, 0.1
µ
F
R7
35.7k
+
C23
1
µ
F
C6
0.1
µ
F
12V
1
µ
F
X7R
CERAMIC
0805 CASE
×
40
+
+
L1
=
COILTRONICS CTX02-13199
Q2, Q3 =SILICONIX SUD50N03-10
LT1575
SHDN
V
IN
GND
OUT
IPOS
INEG
GATE
COMP
17
L
T1575/L
T1577
TYPICAL APPLICA
TIO
N
S
N
U
3.3V to 2.8V
±
100mV at 5.7A with Sense-Less Current Limit and Timer Latchoff
+
+
1
2
3
4
8
7
6
5
C2
330
µ
F
6.3V
C3
680pF
C7
10
µ
F
C4
1000pF
R1
4.7k
R2
10
Ω
C8 TO C31*
1
µ
F
Q1
IRL3303
V
CORE
2.8V
C5
22pF
1575/77 TA14
FAULT RESET
C6
0.1
µ
F
12V
C1
330
µ
F
6.3V
INPUT
3.3V
RTN
+
*X7R CERAMIC 0805 CASE
LT1575-2.8
SHDN
V
IN
GND
OUT
IPOS
INEG
GATE
COMP
N8 1197
0.100
±
0.010
(2.540
±
0.254)
0.065
(1.651)
TYP
0.045 – 0.065
(1.143 – 1.651)
0.130
±
0.005
(3.302
±
0.127)
0.020
(0.508)
MIN
0.018
±
0.003
(0.457
±
0.076)
0.125
(3.175)
MIN
12
3
4
87
6
5
0.255
±
0.015*
(6.477
±
0.381)
0.400*
(10.160)
MAX
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325
+0.035
–
0.015
+0.889
–
0.381
8.255
()
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTIO
N
U
18
L
T1575/L
T1577
PACKAGE DESCRIPTIO
N
U
Dimensions in inches (millimeters) unless otherwise noted.
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
LT1577CS-ADJ/ADJ#TRPBF
Mfr. #:
Buy LT1577CS-ADJ/ADJ#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Linear Voltage Regulators Dual Adj Linear Reg Controller
Lifecycle:
New from this manufacturer.
Delivery:
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