参数资料
型号: LTC1436AIGN-PLL
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-SSOP
标准包装: 55
PWM 型: 电流模式
输出数: 1
频率 - 最大: 138kHz
占空比: 99%
电源电压: 3.5 V ~ 30 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 管件
LTC1436A
LTC1436-PLL-A/LTC1437A
ABSOLUTE M AXI M U M RATINGS
(Note 1)
Input Supply Voltage (V IN ).........................36V to – 0.3V
Topside Driver Supply Voltage (Boost) ......42V to – 0.3V
Switch Voltage (SW) ....................................36V to – 5V
EXTV CC Voltage .........................................10V to – 0.3V
POR, LBO Voltages ....................................12V to – 0.3V
AUXFB Voltage ..........................................20V to – 0.3V
AUXDR Voltage ..........................................28V to – 0.3V
SENSE + , SENSE – ,
V OSENSE Voltages ................. INTV CC + 0.3V to – 0.3V
V PROG Voltage .................................... INTV CC to – 0.3V
PLL LPF, I TH Voltages ...............................2.7V to – 0.3V
PACKAGE/ORDER I N FOR M ATIO N
AUXON, PLLIN, SFB,
RUN/SS, LBI Voltages ..........................10V to – 0.3V
Peak Driver Output Current < 10 μ s (TGL, BG) .......... 2A
Peak Driver Output Current < 10 μ s (TGS) ......... 250mA
INTV CC Output Current ......................................... 50mA
Operating Temperature Range
LTC143XAC ............................................. 0 ° C to 70 ° C
LTC143XAI/LTC143XAE (Note 8) ...... – 40 ° C to 85 ° C
Junction Temperature (Note 2) ............................. 125 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TOP VIEW
TOP VIEW
TOP VIEW
9
SENSE
C OSC 1
RUN/SS 2
LBO 3
LBI 4
I TH 5
SFB 6
SGND 7
V PROG 8
V OSENSE 9
SENSE – 10
SENSE + 11
AUXON 12
GN PACKAGE
24 POR
23 BOOST
22 TGL
21 SW
20 TGS
19 V IN
18 INTV CC
17 BG
16 PGND
15 EXTV CC
14 AUXDR
13 AUXFB
PLL LPF 1
C OSC 2
RUN/SS 3
I TH 4
SFB 5
SGND 6
V PROG 7
V OSENSE 8
SENSE + 10
AUXON 11
AUXFB 12
GN PACKAGE
24 PLLIN
23 POR
22 BOOST
21 TGL
20 SW
19 TGS
18 V IN
17 INTV CC
16 BG
15 PGND
14 EXTV CC
13 AUXDR
PLL LPF 1
C OSC 2
RUN/SS 3
LBO 4
LBI 5
I TH 6
SFB 7
SGND 8
V PROG 9
V OSENSE 10
NC 11
SENSE – 12
SENSE + 13
AUXON 14
28 PLLIN
27 POR
26 BOOST
25 TGL
24 SW
23 TGS
22 V IN
21 INTV CC
20 DRV CC
19 BG
18 PGND
17 EXTV CC
16 AUXDR
15 AUXFB
24-LEAD PLASTIC SSOP
(150 MIL SSOP)
T JMAX = 125 ° C, θ JA = 110 ° C/W
ORDER PART NUMBER
LTC1436ACGN
LTC1436AIGN
24-LEAD PLASTIC SSOP
(150 MIL SSOP)
T JMAX = 125 ° C, θ JA = 110 ° C/W
ORDER PART NUMBER
LTC1436ACGN-PLL
LTC1436AIGN-PLL
G PACKAGE
28-LEAD PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 95 ° C/W
ORDER PART NUMBER
LTC1437ACG
LTC1437AIG
LTC1436AEGN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 15V, V RUN/SS = 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loop
I IN V OSENSE
Feedback Current
V PROG Pin Open (Note 3)
10
50
nA
V OUT
Regulated Output Voltage
1.19V (Adjustable) Selected
3.3V Selected
5V Selected
(Note 3)
V PROG Pin Open
V PROG = 0V
V PROG = INTV CC
1.178
3.220
4.900
1.19
3.30
5.00
1.202
3.380
5.100
V
V
V
14367afb
2
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