參數(shù)資料
型號(hào): LTC1700EMS
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Synchronous 8-Bit Up/Down Binary Counters 24-SOIC 0 to 70
中文描述: 1 A SWITCHING CONTROLLER, 630 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁(yè)數(shù): 2/16頁(yè)
文件大?。?/td> 194K
代理商: LTC1700EMS
LTC1700
2
SYMBOL
V
SOP
V
OP
PARAMETER
Start-Up Minimum Operating Voltage
Minimum Operating Voltage
Hysteresis
Input DC Supply Current
Normal Mode
Sleep Mode
Start-Up Mode
Shutdown
Feedback Current
Regulated Output Voltage
Reference Voltage Line Regulation
Output Voltage Load Regulation
Output Overvoltage Lockout
Shutdown Threshold
Soft-Start Current Source
Oscillator Frequency
Start-Up Oscillator Frequency
SYNC/MODE Threshold
Maximum Duty Cycle
Maximum Current Sense Voltage
CONDITIONS
(Note 4)
(Note 5) V
OUT
Ramping Up
MIN
TYP
0.9
2.34
90
MAX
1.8
2.6
UNITS
V
V
mV
I
S
(Note 6)
V
FB
= 1.6V, V
MODE
= 0V, V
RUN/SS
= 3V
V
FB
= 1.6V, V
MODE
= 3V, V
RUN/SS
= 3V
V
FB
= 0V, V
MODE
, V
RUN/SS,
V
OUT
= 1.8V
V
FB
= 0V, V
MODE
= 3V, V
RUN/SS
= 0V
V
FB
= 1.20V
(Note 7)
V
IN
= 2.7V to 5V (Note 7)
Measured in Servo Loop; V
ITH
= 0.3V to 0.9V
Reference to Nominal V
FB
V
RUN/SS
Ramping Up
V
RUN/SS
= 0V
V
OUT
= 4.2V
V
OUT
= 1.8V, V
RUN/SS
= 1.8V, V
SW
= 1.1V
V
SYNC/MODE
Ramping Down from 1.2V
f
OSC
= 550kHz
536
179
35
10
1
1.205
0.0106
0.036
4.8
1.09
3.79
530
225
1.13
88
78
620
210
45
14
50
1.223
0.080
0.065
9
1.2
6
630
μ
A
μ
A
μ
A
μ
A
nA
V
I
VFB
V
FB
V
OSENS
V
LOADREG
V
OVL
V
RUN/SS
I
RUN/SS
f
OSC
G
1.187
%/V
%
%
V
μ
A
kHz
kHz
2.5
0.7
2
460
150
1.03
84
55
63
40
0.65
G
G
V
SYNC/MODE
DC MAX
V
SENSE(MAX)
1.25
92
100
V
%
G
mV
mV
mA
m
I
LIMIT
g
m
Current Limit At Start-Up
Transconductance of Error Amplifier
V
OUT
= 1.8V
V
FB
= V
REF
±
10mV
60
0.9
1.30
ORDER PART
NUMBER
MS10 PART
MARKING
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
LTLC
LTC1700EMS
ABSOLUTEW
(Note 1)
Output Supply Voltage (V
OUT
) .....................–0.3V to 6V
RUN/SS, V
FB
Voltages ..............................–0.3V to 2.4V
SYNC/MODE, I
TH
Voltages...........................–0.3V to 6V
SWITCH Voltage (SW)..............................–0.3V to 6.5V
TG, BG Peak Output Current (<10
μ
s)......................... 1A
Operating Temperature Range (Note 2)...–40
°
C to 85
°
C
Junction Temperature (Note 3).............................125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C.
V
OUT
= 3V unless otherwise specified.
The
G
denotes the specifications which apply over the full operating
1
2
3
4
5
SGND
I
TH
V
FB
RUN/SS
SYNC/MODE
10
9
8
7
6
SW
PGND
BG
V
OUT
TG
TOP VIEW
MS10 PACKAGE
10-LEAD PLASTIC MSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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