参数资料
型号: LTC1704EGN#TR
厂商: Linear Technology
文件页数: 2/28页
文件大小: 347K
描述: IC REG DL BUCK/LINEAR 16SSOP
标准包装: 2,500
拓扑: 降压(降压)(1),线性(LDO)(1)
功能: 任何功能
输出数: 2
频率 - 开关: 550kHz
电压/电流 - 输出 1: 控制器
电压/电流 - 输出 2: 控制器
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 3.15 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
其它名称: LTC1704EGNTR
LTC1704/LTC1704B
2
1704bfa
Supply Voltage
V
CC
, PV
CC
..............................................................6V
BOOST.................................................................12V
BOOST  SW.........................................................6V
Input Voltage
SW.............................................................1V to 6V
FB, REGFB, REGILM,
RUN/SS, I
MAX
..........................0.3V to (V
CC
 + 0.3V)
Peak Output Current <10祍
TG, BG (Note 7).....................................................5A
Operating Temperature Range (Note 2)..40癈 to 85癈
Storage Temperature Range.................65癈 to 150癈
Lead Temperature (Soldering, 10 sec)..................300癈
ORDER PART
NUMBER
T
JMAX
 = 125癈, ?/DIV>
JA
 = 130癈/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1704EGN
LTC1704BEGN
ABSOLUTE AXI U RATI GS   W
W
U
PACKAGE/ORDER I FOR ATIO
U
W
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
 = 25?/SPAN>C.
V
CC
= PV
CC
 = BOOST = 5V, unless otherwise specified. (Note 3)
(Note 1)
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
TG
SW
I
MAX
RUN/SS
COMP
FB
REGDR
GND
BOOST
PV
CC
BG
PGND
PGOOD
V
CC
REGILM
REGFB
SYMBOL PARAMETER
CONDITIONS
MIN   TYP   MAX   UNITS
V
CC
V
CC
 Supply Voltage
q  3.15    5    5.5
V
PV
CC
PV
CC
 Supply Voltage
(Note 4)
q  3.15    5    5.5
V
BV
CC
BOOST Pin Voltage
V
BOOST
  V
SW
 (Note 4)
q  3.15    5    5.5
V
I
VCC
V
CC
 Supply Current
Test Circuit
q
4.5    8
mA
V
RUN/SS
 = 0V, V
REGILM
 = 0V
q
75    150
I
PVCC
PV
CC
 Supply Current
Test Circuit, No Load at Drivers
q
3
6
mA
V
RUN/SS
 = 0V (Notes 5, 6)
q
50
I
BOOST
BOOST Pin Current
Test Circuit
q
2
6
mA
V
RUN/SS
 = 0V (Notes 5, 6)
q
50
V
SHDN
RUN/SS Shutdown Threshold
V
RUN/SS
 ?/DIV>
q  0.2    0.5
V
I
SS
RUN/SS Source Current
V
RUN/SS
 = 0V
3
Switcher Control Loop
V
FB
Feedback Voltage
q  0.788  0.800  0.812
V
I
FB
Feedback Input Current
q
?
dV
FB
Feedback Voltage Line Regulation
V
CC
 = 3.3V to 5.5V
q
?.01   ?.1    %/V
Output Voltage Load Regulation
(Note 7)
q  0.2   0.1
%
A
FB
Feedback Amplifier DC Gain
q  74    85
dB
GBW   Feedback Amplifier Gain Bandwidth Product   f = 100kHz (Note 7)
20
MHz
I
COMP
Feedback Amplifier Output Sink/Source Current
q  ?/SPAN>3   ?/SPAN>10
mA
V
PGOOD
Negative Power Good Threshold
q  15   10   6
%
Positive Power Good Threshold
q   6    10    15
%
 I
IMAX
I
MAX
Source Current
V
IMAX
 = 0V
q  11.5   10   8.5    ?/SPAN>A
GN PART MARKING
1704
1704B
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