参数资料
型号: LTC3828EUH
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: Model HB Series Horizontal Stacking Banana Plug Patch Cord, Banana Plug Each End Operating Voltage 30VAC/60VDC Max, Current-15A Cont, Operating Temp Max +55 degrees C, Color-Red, Length-24" RoHS Compliant: Yes
中文描述: 3 A DUAL SWITCHING CONTROLLER, 590 kHz SWITCHING FREQ-MAX, PQCC32
封装: 5 X 5 MM, PLASTIC, MO-220WHHD, QFN-32
文件页数: 2/32页
文件大小: 396K
代理商: LTC3828EUH
2
LTC3828
3828f
Input Supply Voltage (V
IN
)........................ 30V to –0.3V
Top Side Driver Voltages
(BOOST1, BOOST2).................................. 36V to –0.3V
Switch Voltage (SW1, SW2)........................ 30V to –5V
INTV
CC,
DRV
CC
, RUN1, RUN2, (BOOST1-SW1),
(BOOST2-SW2) .......................................... 7V to –0.3V
SENSE1
+
, SENSE2
+
, SENSE1
,
SENSE2
Voltages....................... (1.1)INTV
CC
to –0.3V
FCB/PLLIN, PLLFLTR, CLKOUT,
PHSMD Voltage.............................. INTV
CC
to –0.3V
TRCKSS1, TRCKSS2 ........................... INTV
CC
to –0.3V
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
(Note 1)
PGOOD ..................................................... 5.5V to –0.3V
I
TH1,
I
TH2
, V
OSENSE1
, V
OSENSE2
Voltages ...2.7V to –0.3V
Peak Output Current <10
μ
s (TG1, TG2, BG1, BG2) .. 3A
INTV
CC
Peak Output Current................................ 50mA
Operating Temperature Range (Note 7)
LTC3828E.......................................... –40
°
C to 85
°
C
Junction Temperature (Note 2)............................ 125
°
C
Storage Temperature Range................ –65
°
C to 125
°
C
Reflow Peak Body Temperature (UH Package) .... 260
°
C
Lead Temperature (Soldering, 10 sec)
(GN Package) ...................................................300
°
C
ORDER PART
NUMBER
LTC3828EUH
T
JMAX
= 125
°
C,
θ
JA
= 34
°
C/W
EXPOSED PAD IS SGND (PIN 33),
MUST BE SOLDERED TO PCB
The
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 15V, V
RUN1, 2
= 5V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
Main Control Loops
V
OSENSE1, 2
I
VOSENSE1, 2
V
REFLNREG
V
LOADREG
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Regulated Feedback Voltage
Feedback Current
Reference Voltage Line Regulation V
IN
= 4.6V to 28V (Note 3)
Output Voltage Load Regulation
(Note 3); I
TH1, 2
Voltage = 1.2V
(Note 3)
0.792
0.800
±
5
0.002
0.808
±
50
0.02
V
nA
%/V
(Note 3)
Measured in Servo Loop;
I
TH
Voltage = 1.2V to 0.7V
Measured in Servo Loop;
I
TH
Voltage = 1.2V to 2.0V
I
TH1, 2
= 1.2V; Sink/Source 5uA; (Note 3)
0.1
–0.1
1.3
0.5
–0.5
%
%
g
m1, 2
Transconductance Amplifier g
m
mmho
Consult LTC Marketing for parts specified with wider operating temperature ranges.
UH PART
MARKING
3828
ORDER PART
NUMBER
LTC3828EG
T
JMAX
= 125
°
C,
θ
JA
= 95
°
C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLKOUT
PGOOD
BOOST1
TG1
SW1
V
IN
INTV
CC
PGND
BG1
BG2
SW2
TG2
BOOST2
RUN2
TRCKSS1
I
TH1
SENSE1+
SENSE1–
V
OSENSE1
PLLFLTR
RUN1
FCB/PLLIN
SGND
TRCKSS2
SENSE2
SENSE2
+
I
TH2
V
OSENSE2
32 31 30 29 28 27 26 25
9
10 11 12 13
TOP VIEW
T
33
14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
V
OSENSE1
PLLFLTR
RUN1
PHSMD
FCB/PLLIN
SGND
TRCKSS2
NC
SW1
V
IN
INTV
CC
DRV
CC
PGND
BG1
BG2
SW2
S
S
+
I
T
C
P
B
T
N
S
S
+
I
T
V
O
R
B
T
UH PACKAGE
32-LEAD (5mm
×
5mm) PLASTIC QFN
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