参数资料
型号: LTC3533EDE#TRPBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC REG BUCK BOOST SYNC ADJ 14DFN
标准包装: 2,500
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.8 V ~ 5.25 V
输入电压: 1.8 V ~ 5.5 V
PWM 型: Burst Mode?
频率 - 开关: 300kHz ~ 2MHz
电流 - 输出: 2A
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: 14-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 14-DFN-EP(4x3)
LTC3533
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , PV IN Voltages ...........................................–0.3 to 6V
PACKAGE/ORDER INFORMATION
TOP VIEW
V OUT , PV OUT Voltages ......................................–0.3 to 6V
SW1, SW2 Voltages
DC...............................................................–0.3 to 6V
Pulsed < 100ns ...........................................–0.3 to 7V
V C , FB, RUN/SS, BURST Voltages ..................–0.3 to 6 V
Operating Temperature Range (Note 2) ... –40°C to 85°C
R T
BURST
SGND
SW1
PGND
PGND
SW2
1
2
3
4
5
6
7
15
14 V C
13 FB
12 RUN/SS
11 PV IN
10 V IN
9 PV OUT
8 V OUT
Maximum Junction Temperature (Note 3) ............ 125°C
Storage Temperature Range................... –65°C to 125°C
DE PACKAGE
14-LEAD (4mm × 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 43°C/W, θ JC = 4.3°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
LTC3533EDE
DE PART MARKING
3533
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
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 = 3.6V, V OUT = 3.3V, unless otherwise noted.
PARAMETER
Input Operating Range
Output Voltage Adjust Range
CONDITIONS
MIN
1.8
1.8
TYP
MAX
5.5
5.25
UNITS
V
V
Feedback Voltage
Feedback Input Current
Quiescent Current – Burst Mode Operation
Quiescent Current – Shutdown
Quiescent Current – Active
Input Current Limit
V FB = 1.22V
V C = 0V, V BURST = 0V (Note 4)
V RUN = 0V, Not Including Switch Leakage
V C = 0V, BURST = 3.6V (Note 4)
1.196
3.5
1.22
1
40
0.1
700
4.5
1.244
50
50
1
1100
V
nA
μA
μA
μA
A
Peak Current Limit
Reverse Current Limit
7
0.5
A
A
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On Resistance
PMOS Switch On Resistance
Switches B and C
Switches A and D
Switches B and C
Switches A and D
0.1
0.1
60
80
5
10
μA
μA
m Ω
m Ω
Maximum Duty Cycle
Minimum Duty Cycle
Boost (% Switch C On)
Buck (% Switch A On)
80
100
90
0
%
%
%
3533f
2
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