参数资料
型号: LTC3733CG
厂商: Linear Technology
文件页数: 2/32页
文件大小: 0K
描述: IC CTRLR BUCK AMD 3PHASE 36-SSOP
标准包装: 37
应用: 控制器,AMD
输入电压: 4 V ~ 36 V
输出数: 1
输出电压: 0.8 V ~ 1.55 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 36-SSOP(0.209",5.30mm 宽)
供应商设备封装: 36-SSOP
包装: 管件
产品目录页面: 1339 (CN2011-ZH PDF)
LTC3733/LTC3733-1
ABSOLUTE
AXI U
RATI GS
(Note 1)
Topside Driver Voltages (BOOST N ) ............ 38V to –0.3V
Switch Voltage (SW N )................................... 32V to –5V
Boosted Driver Voltage (BOOST N – SW N ) .... 7V to –0.3V
Peak Output Current <1ms (TG N , BG N ) ..................... 5A
Supply Voltage (V CC ), PGOOD
Pin Voltages ................................................ 7V to –0.3V
PLLIN, RUN, SS,
PLLFLTR, FCB Voltages ............................. V CC to –0.3V
PACKAGE/ORDER I FOR ATIO
I TH Voltage ................................................ 2.4V to –0.3V
Operating Ambient Temperature Range ....... 0 ° C to 70 ° C
Junction Temperature (Note 2) ............................. 125 ° C
Storage Temperature Range
LTC3733CG ....................................... –65 ° C to 150 ° C
LTC3733CUHF-1 ............................... –65 ° C to 125 ° C
Lead Temperature (LTC3733CG)
(Soldering, 10 sec) ............................................... 300 ° C
TOP VIEW
ORDER PART
TOP VIEW
ORDER PART
VID1
1
36 VID0
NUMBER
NUMBER
RUN
PLLFLTR
FCB
IN +
IN –
DIFFOUT
EAIN
2
3
4
5
6
7
8
35 PGOOD
34 BOOST1
33 TG1
32 SW1
31 BOOST2
30 TG2
29 SW2
LTC3733CG
PLLFLTR 1
FCB 2
IN + 3
IN – 4
DIFFOUT 5
38 37 36 35 34 33 32
31 SW1
30 BOOST2
29 TG2
28 SW2
27 V CC
LTC3733CUHF-1
SENSE2 10
SGND 9
SENSE1 + 10
SENSE1 – 11
SENSE2 + 12
SENSE2 – 13
SENSE3 – 14
SENSE3 +
15
28 V CC
27 BG1
26 PGND
25 BG2
24 BG3
23 SW3
22 TG3
EAIN 6
SGND 7
SENSE1 + 8
SENSE1 – 9
+
SENSE2 – 11
SENSE3 – 12
39
13 14 15 16 17 18 19
26 DRV CC
25 BG1
24 PGND
23 BG2
22 BG3
21 SW3
20 TG3
UHF PART
MARKING
37331
SS 16
I TH 17
21 BOOST3
20 VID4
VID2 18 19 VID3
G PACKAGE
36-LEAD PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 95 ° C/W
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
T JMAX = 125 ° C, θ JA = 34 ° C/W
EXPOSED PAD IS SGND (PIN 39) MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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 = V RUN = V SS = 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loop
V REGULATED
V SENSEMAX
I MATCH
Regulated Voltage at IN +
Maximum Current Sense Threshold
Current Match
(Note 3); VID Code = 10011, V ITH = 1.2V
V EAIN = 0.5V, V ITH Open,
V SENSE1 – , V SENSE2 – , V SENSE3 – = 0.8V, 1.55V
Worst-Case Error at V SENSE(MAX)
q
q
1.067
1.064
65
62
–5
1.075
1.075
75
75
1.083
1.086
85
88
5
V
V
mV
mV
%
3733f
2
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