参数资料
型号: LTC1430CS#TR
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC SW REG CNTRLR STEP-DWN 16SOIC
标准包装: 2,500
应用: 控制器,Intel Pentium?
输入电压: 4 V ~ 8 V
输出数: 1
输出电压: 3.3V,可调
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
LTC1430
ABSOLUTE
AXI U RATI GS
(Note 1)
Supply Voltage
V CC ....................................................................... 9V
PV CC1, 2 .............................................................. 13V
Input Voltage
I FB ......................................................... – 0.3V to 18V
All Other Inputs ...................... – 0.3V to (V CC + 0.3V)
PACKAGE/ORDER I FOR ATIO
Operating Temperature Range
LTC1430C .............................................. 0 ° C to 70 ° C
LTC1430I ........................................... – 40 ° C to 85 ° C
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
ORDER
TOP VIEW
ORDER
TOP VIEW
PART NUMBER
G1
1
16 G2
PART NUMBER
G1 1
PV CC1 2
GND 3
FB 4
8
7
6
5
G2
V CC /PV CC2
COMP
SHDN
LTC1430CN8
LTC1430CS8
PV CC1
PGND
GND
SENSE –
FB
2
3
4
5
6
15 PV CC2
14 V CC
13 I FB
12 I MAX
11 FREQSET
LTC1430CN
LTC1430CS
LTC1430IS
SENSE
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
S8 PART MARKING
+
SHDN
7
8
10 COMP
9 SS
T JMAX = 150 ° C, θ JA = 100 ° C/W (N8)
T JMAX = 150 ° C, θ JA = 150 ° C/W (S8)
1430
N PACKAGE S PACKAGE
16-LEAD PDIP 16-LEAD PLASTIC SO
T JMAX = 150 ° C, θ JA = 70 ° C/W (N)
T JMAX = 150 ° C, θ JA = 110 ° C/W (S)
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 5V unless otherwise noted. (Note 2)
SYMBOL
V CC
PV CC
V OUT
PARAMETER
Supply Voltage
PV CC1 , PV CC2
Output Voltage
CONDITIONS
Figure 1
q
q
q
MIN
4
TYP
3.30
MAX
8
13
UNITS
V
V
V
V FB
? V OUT
Feedback Voltage
Output Load Regulation
Figure 1, SENSE + and SENSE – Floating (LTC1430C)
Figure 1, SENSE + and SENSE – Floating (LTC1430I)
Figure 1, I OUT = 0A to 10A (Note 3) (LTC1430C)
q
q
q
1.25
1.23
1.265
1.265
5
1.28
1.29
20
V
V
mV
Figure 1, I OUT = 0A to 10A (Note 3) (LTC1430I)
5
mV
Output Line Regulation
Figure 1, V CC = 4.75V to 5.25V (Note 3) (LTC1430C) q
Figure 1, V CC = 4.75V to 5.25V (Note 3) (LTC1430I)
1
1
5
mV
mV
IV CC
IPV CC
Supply Current (V CC Only)
Supply Current (PV CC )
Figure 2, V SHDN = V CC
V SHDN = 0V
Figure 2, PV CC = 5V, V SHDN = V CC (Note 4)
V SHDN = 0V
q
350
1
1.5
0.1
700
10
μ A
μ A
mA
μ A
f OSC
Internal Oscillator Frequency
FREQSET Floating (LTC1430C)
FREQSET Floating (LTC1430I)
q
q
140
130
200
200
260
300
kHz
kHz
2
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