LTC1148 データシートの表示（PDF） - Linear Technology
部品番号
コンポーネント説明
メーカー
LTC1148 Datasheet PDF : 20 Pages
| |||
LTC1148
LTC1148-3.3/LTC1148-5
ABSOLUTE AXI U RATI GS
(Note 1)
Input Supply Voltage (Pin 3)
LTC1148 and LTC1148L Series ............ 16V to – 0.3V
LTC1148HV Series ............................... 20V to – 0.3V
Continuous Output Current (Pins 1, 14) .............. 50mA
Sense Voltages (Pins 7, 8)
LTC1148HV (Adjustable Only)
VIN ≥ 12.7V ...................................... 13V to – 0.3V
VIN < 12.7V ......................... (VIN + 0.3V) to – 0.3V
Operating Ambient Temperature Range ...... 0°C to 70°C
Extended Commercial
Temperature Range ............................... – 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
PACKAGE/ORDER I FOR ATIO
TOP VIEW
P-DRIVE 1
NC 2
VIN 3
CT 4
INTVCC 5
ITH 6
SENSE– 7
14 N-DRIVE
13 NC
12 PGND
11 SGND
10 SHUTDOWN
9 VFB*
8 SENSE+
N PACKAGE
14-LEAD PDIP
S PACKAGE
14-LEAD PLASTIC SO
*FIXED OUTPUT VERSIONS = NC
TJMAX = 125°C, θJA = 70°C/ W (N)
TJMAX = 125°C, θJA = 110°C/ W (S)
ORDER PART
NUMBER
LTC1148CN
LTC1148HVCN
LTC1148CN-3.3
LTC1148HVCN-3.3
LTC1148CN-5
LTC1148HVCN-5
LTC1148CS
LTC1148HVCS
LTC1148LCS
LTC1148CS-3.3
LTC1148HVCS-3.3
LTC1148LCS-3.3
LTC1148CS-5
LTC1148HVCS-5
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS TA = 25°C, VIN = 10V, VSHUTDOWN = 0V unless otherwise noted.
SYMBOL
V9
I9
VOUT
∆VOUT
IQ
PARAMETER
CONDITIONS
Feedback Voltage (LTC1148, LTC1148L,
LTC1148HV)
VIN = 9V
Feedback Current (LTC1148, LTC1148L,
LTC1148HV)
Regulated Output Voltage
LTC1148-3.3, LTC1148HV-3.3, LTC1148L-3.3
LTC1148-5, LTC1148HV-5
Output Voltage Line Regulation
Output Voltage Load Regulation
LTC1148-3.3, LTC1148HV-3.3, LTC1148L-3.3
LTC1148-5, LTC1148HV-5
Output Ripple (Burst Mode)
Input DC Supply Current (Note 3)
LTC1148 Series
Normal Mode
Sleep Mode
Sleep Mode (LTC1148-5)
Shutdown
LTC1148HV Series
Normal Mode
Sleep Mode
Sleep Mode (LTC1148HV-5)
Shutdown
LTC1148L Series
Normal Mode
Sleep Mode
Shutdown
VIN = 9V
ILOAD = 700mA
ILOAD = 700mA
VIN = 7V to 12V, ILOAD = 50mA
5mA < ILOAD < 2A
5mA < ILOAD < 2A
ILOAD = 0A
(Note 7)
4V < VIN < 12V
4V < VIN < 12V
6V < VIN < 12V
VSHUTDOWN = 2.1V, 4V < VIN < 12V
4V < VIN < 18V
4V < VIN < 18V
6V < VIN < 18V
VSHUTDOWN = 2.1V, 4V < VIN < 18V
3.5V < VIN < 12V
3.5V < VIN < 12V
VSHUTDOWN = 2.1V, 3.5V < VIN < 12V
MIN TYP MAX
q 1.21 1.25 1.29
q
0.2 1
q 3.23 3.33 3.43
q 4.90 5.05 5.20
– 40 0
40
q
40 65
q
60 100
50
1.6 2.1
160 230
160 230
10 20
1.6 2.3
160 250
160 250
10 22
1.6 2.1
160 230
10 20
UNITS
V
µA
V
V
mV
mV
mV
mVP-P
mA
µA
µA
µA
mA
µA
µA
µA
mA
µA
µA
2
Share Link: 