参数资料
型号: LTC1159CG-3.3#PBF
厂商: Linear Technology
文件页数: 2/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-SSOP
标准包装: 66
PWM 型: 电流模式
输出数: 1
频率 - 最大: 250kHz
占空比: 100%
电源电压: 4 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 管件
LTC1159
LTC1159-3.3/LTC1159-5
A BSOLUTE
A XI U
R A TI G S
(Note 1)
Input Supply Voltage (Pin 2) ..................... – 15V to 60V
V CC Output Current (Pin 3) .................................. 50mA
Continuous Pin Currents (Any Pin) ...................... 50mA
Sense Voltages ......................................... – 0.3V to 13V
Shutdown Voltages ................................................... 7V
EXTV CC Input Voltage ............................................. 15V
Junction Temperature (Note 2) ............................ 125 ° C
PACKAGE/ORDER I FOR ATIO
Operating Temperature Range
LTC1159C .............................................. 0 ° C to 70 ° C
LTC1159I ........................................... – 40 ° C to 85 ° C
Extended Commercial
Temperature Range ............................... – 40 ° C to 85 ° C
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
TOP VIEW
ORDER PART
TOP VIEW
ORDER PART
P-GATE
V IN
V CC
P-DRIVE
P-DRIVE
V CC
V CC
1
2
3
4
5
6
7
20 CAP
19 SHDN2
18 EXTV CC
17 PGND
16 N-GATE
15 PGND
14 SGND
NUMBER
LTC1159CG
LTC1159CG-3.3
LTC1159CG-5
P-GATE
V IN
V CC
P-DRIVE
V CC
C T
I TH
1
2
3
4
5
6
7
16 CAP
15 SHDN2
14 EXTV CC
13 N-GATE
12 PGND
11 SGND
10 V FB (SHDN1)*
NUMBER
LTC1159CN
LTC1159CN-3.3
LTC1159CN-5
LTC1159CS
LTC1159CS-3.3
C T
8
13 SHDN1
SENSE –
8
9
SENSE +
LTC1159CS-5
I TH 9 12 V FB
SENSE – 10 11 SENSE +
G PACKAGE
20-LEAD PLASTIC SSOP
T JMAX = 125 ° C, θ JA = 135 ° C/ W
N PACKAGE S PACKAGE
16-LEAD PDIP 16-LEAD PLASTIC SO
*FIXED OUTPUT VERSIONS
T JMAX = 125 ° C, θ JA = 80 ° C/ W (N)
T JMAX = 125 ° C, θ JA = 110 ° C/ W (S)
LTC1159IS
LTC1159IS-3.3
LTC1159IS-5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL C HARA C TERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 12V, V SHDN1 = 0V (Note 3), unless otherwise noted.
SYMBOL
V FB
I FB
PARAMETER
Feedback Voltage (LTC1159 Only)
Feedback Current (LTC1159 Only)
CONDITIONS
q
q
MIN
1.21
TYP
1.25
0.2
MAX
1.29
UNITS
V
μ A
V OUT
Regulated Output Voltage
V IN = 9V
LTC1159-3.3
LTC1159-5
I LOAD = 700mA
I LOAD = 700mA
q
q
3.23
4.90
3.33
5.05
3.43
5.20
V
V
? V OUT
Output Voltage Line Regulation
V IN = 9V to 40V
– 40
0
40
mV
Output Voltage Load Regulation
I IN
I EXTVCC
LTC1159-3.3
LTC1159-5
Burst Mode Output Ripple
V IN Pin Current (Note 4)
Normal Mode
Shutdown
EXTV CC Pin Current (Note 4)
5mA < I LOAD < 2A
5mA < I LOAD < 2A
I LOAD = 0A
V IN = 12V, EXTV CC = 5V
V IN = 40V, EXTV CC = 5V
V IN = 12V, V SHDN2 = 2V
V IN = 40V, V SHDN2 = 2V
EXTV CC = 5V, Sleep Mode
q
q
40
60
50
200
300
15
25
250
65
100
mV
mV
mV P-P
μ A
μ A
μ A
μ A
μ A
2
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