参数资料
型号: LTC3415EUHF#TRPBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 7A 38QFN
标准包装: 2,500
系列: PolyPhase®
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.7 V ~ 5.5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1.5MHz
电流 - 输出: 7A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 38-QFN(5x7)
LTC3415
ABSOLUTE MAXIMUM RATINGS
(Note 1)
SV IN , PV IN Voltage ....................................... –0.3V to 6V
PLLLPF, PGOOD Voltages .............................–0.3V to V IN
CLKIN, PHMODE, MODE Voltages ...............–0.3V to V IN
CLKOUT Voltage .......................................... –0.3V to 2V
PIN CONFIGURATION
TOP VIEW
38 37 36 35 34 33 32
I TH , I THM , V FB , TRACK Voltages ....................–0.3V to V IN
MGN, BSEL, RUN Voltages ..........................–0.3V to V IN
SW Voltage (DC) ............................ –0.3V to (V IN + 0.3V)
Peak SW Sink and Source Current ............................15A
NC 1
SGND 2
PLLLPF 3
PV IN 4
31 NC
30 TRACK
29 V FB
28 PV IN
Operating Ambient Temperature
Range (Note 2)......................................... –40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature.............................. –65°C to 125°C
PV IN 5
SW 6
SW 7
SW 8
SW 9
MODE 10
CLKIN 11
PHMODE 12
39
27 PV IN
26 SW
25 SW
24 SW
23 SW
22 PGOOD
21 BSEL
20 MGN
13 14 15 16 17 18 19
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 34°C/W, θ JC = 1.1°C/W
EXPOSED PAD (PIN 39) IS PGND
MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3415EUHF#PBF
TAPE AND REEL
LTC3415EUHF#TRPBF
PART MARKING
3415
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) QFN Package
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.3V unless otherwise speci?ed.
SYMBOL
SV IN
PARAMETER
Signal Input Voltage Range
CONDITIONS
MIN
2.375
TYP
MAX
5.5
UNITS
V
V FB
ΔV FB
V LOADREG
Regulated Feedback Voltage
Reference Voltage Line Regulation
Output Voltage Load Regulation
(Note 3)
V IN = 2.5V to 5.5V (Note 3)
Measured in Servo Loop, V ITH = 0.3V
Measured in Servo Loop, V ITH = 0.9V
l
l
l
0.590
0.596
0.15
0.1
–0.05
0.602
0.3
0.2
–0.2
V
%/V
%
%
ΔV PGOOD
R PGOOD
Power Good Range
Power Good Pull-Down Resistance
1mA Load, V IN = 3.3V
±7
±10
25
±13
40
%
Ω
3415fa
2
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