LTC1982 Linear Technology, LTC1982 Datasheet - Page 2

• Manufacturer Part Number: LTC1982
• Description: (LTC1981 / LTC1982) Single and Dual Micropower High Side Switch Controllers
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
LTC1981/LTC1982
Terminal Voltage
PACKAGE/ORDER I FOR ATIO
temperature range, otherwise specifications are at T
SYMBOL
V
I
I
V
f
t
t
V
V
C
I
Consult factory for parts specified with wider operating temperature ranges.
2
ELECTRICAL CHARACTERISTICS
CC
SHDN
OSC
ON
OFF
IN
CC
GATE
IL
IH
IN
LTC1981: V
LTC1982: V
www.DataSheet4U.com
SHDN 3
GND 2
GDR 1
T
JMAX
5-LEAD PLASTIC SOT-23
PARAMETER
Operating Supply Voltage
Supply Current
SHDN Supply Current
GATE Drive Output Voltage
Charge Pump Oscillator Frequency
Turn-on Time into 1000pF
Turn-off Time into 1000pF
SHDN Input Low Voltage
SHDN Input High Voltage
SHDN Input Capacitance
SHDN Input Leakage Current
= 150 C,
S5 PACKAGE
SHDN 1, SHDN 2 ................... –0.3V to 7.5V
TOP VIEW
CC
CC
, GATE, SHDN, GDR ........ –0.3V to 7.5V
, GATE 1, GATE 2,
JA
W
= 250 C/W
5 V
4 GATE
CC
W W
U
ORDER PART
CONDITIONS
GATE 1 and GATE 2 Outputs High
GATE 1 or GATE 2 Outputs High
GATE Output High (LTC1981)
SHDN 1 and SHDN 2 Inputs Low
SHDN Input Low (LTC1981)
V
V
V
V
Measured with 10k Resistor from Output to GND
From SHDN 1, SHDN 2 Going High to
GATE 1, GATE 2 = V
From SHDN Going High to GATE = V
From SHDN 1, SHDN 2 Going Low to
GATE 1, GATE 2
V
V
(Note 4)
LTC1981ES5
CC
CC
CC
CC
CC
CC
MARKING
NUMBER
S5 PART
W
= 1.8V
= 2.7V
= 3.3V
= 5V
= 1.8V to 5.5V
= 1.8V to 5.5V
LTSF
U
A
= 25 C. V
,
The
GATE = 100mV
U
CC
(Notes 1, 2)
CC
+ 1V
denotes the specifications which apply over the full operating
= 5V unless otherwise specified. C
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
SHDN 1 1
SHDN 2 3
LTC1981E/LTC1982E (Note 3) ............ – 40 C to 85 C
GND 2
T
CC
JMAX
6-LEAD PLASTIC SOT-23
+1V (LTC1981)
= 150 C,
S6 PACKAGE
TOP VIEW
JA
= 230 C/W
6 V
5 GATE 1
4 GATE 2
CC
GATE 1
4.27
6.40
6.90
6.90
MIN
1.8
0.4
= C
GATE 2
4.50
6.75
7.25
7.25
TYP
600
110
ORDER PART
LTC1982ES6
17
10
17
85
12
5
MARKING
NUMBER
S6 PART
LTPF
= C
GATE
MAX
4.75
7.10
7.50
7.50
5.5
1.6
30
20
30
1
1
1
= 1000pF.
UNITS
kHz
pF
V
A
A
A
A
A
V
V
V
V
V
V
A
s
s
s