LTC1642AIGN 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
LTC1642AIGN Datasheet PDF : 16 Pages
| |||
LTC1642A
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (VCC) .................................– 0.3V to 33V
SENSE Pin ................................... – 0.3V to (VCC + 0.3V)
ON, FB, OV, COMP +, COMP –
RESET, FAULT, COMPOUT .....................– 0.3V to 18.5V
Operating Temperature Range
LTC1642AC ............................................. 0°C to 70°C
LTC1642AI ......................................... – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CRWBR 1
BRK TMR 2
RST TMR 3
ON 4
RESET 5
FAULT 6
FB 7
GND 8
16 VCC
15 SENSE
14 GATE
13 REF
12 COMP–
11 COMP+
10 COMPOUT
9 OV
GN PACKAGE
16-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 130°C/W
ORDER PART
NUMBER
LTC1642ACGN
LTC1642AIGN
GN PART
MARKING
1642A
1642AI
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 specified with wider operating temperature ranges.
DC ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 5V unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VCC
ICC
VLKHI
VLKLO
VLKHYST
VFB
∆VFB
VFBHST
IFB(IN)
VOV
∆VOV
VOVHYST
IOV(IN)
VRST
∆VRST
IRST
VBRK
∆VBRK
IBRK
VCR
∆VCR
ICR
Operating Voltage Range
VCC Supply Current
VCC Undervoltage Lockout
VCC Undervoltage Lockout
VCC Undervoltage Lockout Hysteresis
FB Pin Voltage Threshold
FB Pin Threshold Supply Variation
FB Pin Voltage Threshold Hysteresis
FB Pin Input Current
OV Pin Voltage Threshold
OV Pin Threshold Supply Variation
OV Pin Voltage Theshold Hysteresis
OV Pin Input Current
RST TMR Pin Voltage Threshold
RST TMR Pin Threshold Supply Variation
RST TMR Pin Current
BRK TMR Pin Voltage Threshold
BRK TMR Pin Threshold Supply Variation
BRK TMR Pin Current
CRWBR Pin Voltage Theshold
CRWBR Pin Threshold Supply Variation
CRWBR Pin Current
● 2.97
16.5
V
ON = VCC
VCC Rising
VCC Falling
●
1.25
3.0
mA
● 2.55 2.73 2.95
V
● 2.35 2.50 2.95
V
230
mV
FB Falling
● 1.208 1.220 1.232
V
FB Falling, 2.97V ≤ VCC ≤ 16.5V
●
5
15
mV
3
mV
VOV = 5V
OV Rising
●
0
±1
µA
● 1.208 1.220 1.232
V
OV Rising, 2.97V ≤ VCC ≤ 16.5V
●
5
15
mV
3
mV
VFB = 5V
RST TMR Rising
●
0
±1
µA
● 1.200 1.220 1.250
V
RST TMR Rising, 2.97V ≤ VCC ≤ 16.5V ●
5
15
mV
Timer On
Timer Off, VRSTTMR = 1.5V
● – 1.5 – 2.0 – 2.5
µA
10
mA
BRK TMR Rising
● 1.200 1.220 1.250
V
BRK TMR Rising, 2.97V ≤ VCC ≤ 16.5V ●
5
15
mV
Timer On
Timer Off, VBRKTMR = 1.5V
● – 15 – 20 – 30
µA
10
mA
CRWBR Rising
● 375
410
425
mV
2.97V ≤ VCC ≤ 16.5V
CRWBR On, VCRWBR = 0V
CRWBR On, VCRWBR = 2.1V
CRWBR Off, VCRWBR = 1.5V
●
4
15
mV
● – 30 – 45 – 60
µA
● –1000 –1500
µA
2.3
mA
1642af
2
Share Link: 