LTC1682-3.3_15 Datasheet, PDF (2/12 Pages) Linear Technology – Doubler Charge Pumps with Low Noise Linear Regulator

LTC1682/LTC1682-3.3/LTC1682-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
V_IN to Ground ..............................................– 0.3V to 5V
V_OUT Voltage ................................................– 0.3V to 6V
CPO to Ground ........................................................ 10V
SHDN, FILT/FB Voltage to
Ground ..................................... – 0.3V to (V_IN + 0.3V)
V_OUT Short-Circuit Duration ............................ Indefinite
I_OUT...................................................................... 90mA
Operating Temperature Range
Commercial ............................................ 0°C to 70°C
Extended Commercial (Note 2) ........... – 40°C to 85°C
Industrial ........................................... – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
Maximum Junction Temperature .......................... 125°C
UW U
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
TOP VIEW
V_OUT 1
SHDN 2
FILT/FB* 3
GND 4
8 CPO
7 C⁺
6
5
VC_I–N
MS8 PACKAGE
8-LEAD PLASTIC MSOP
*PIN3 = FILT FOR LTC1682-3.3/LTC1682-5
= FB FOR LTC1682
T_JMAX = 125°C, θ_JA = 140°C/ W
LTC1682CMS8
LTC1682CMS8-3.3
LTC1682CMS8-5
LTC1682IMS8
LTC1682IMS8-3.3
LTC1682IMS8-5
MS8 PART MARKING
LTER
LTGT
LTGV
LTHM
LTGU
LTGW
Consult factory for Military grade parts.
TOP VIEW
V_OUT 1
SHDN 2
FILT/FB* 3
GND 4
8 CPO
7 C⁺
6 V_IN
5 C^–
S8 PACKAGE
8-LEAD PLASTIC SO
*PIN3 = FILT FOR LTC1682-3.3/LTC1682-5
= FB FOR LTC1682
T_JMAX = 125°C, θ_JA = 120°C/ W
ORDER PART
NUMBER
LTC1682CS8
LTC1682CS8-3.3
LTC1682CS8-5
LTC1682IS8
LTC1682IS8-3.3
LTC1682IS8-5
S8 PART MARKING
1682 1682I
168233 1682I33
16825 1682I5
ELECTRICAL CHARACTERISTICS The q denotes specifications that apply over the full operating temperature
range, otherwise specifications are T_A = 25°C. SHDN = V_IN = 3V; C1 = 0.22µF; C2, C3, C4 = 4.7µF, unless otherwise noted.
PARAMETER
V_IN Operating Voltage
I_VIN Shutdown Current
I_VIN Operating Current
FB Input Current
FB Voltage
Regulated Output Voltage
V_OUT Temperature Coefficient
Charge Pump Oscillator Frequency
CONDITIONS
LTC1682
LTC1682-3.3
LTC1682-5
SHDN = 0V
I_OUT = 0mA, Burst Mode^TM Operation
0°C to 70°C
– 40°C to 85°C
LTC1682, FB = 1.235V
LTC1682
LTC1682-3.3, I_OUT = 1mA
LTC1682-5, I_OUT = 1mA
I_OUT > 200µA, V_IN = 1.8V to 4.4V
MIN TYP MAX
q 1.8
4.4
q
2
4.4
q 2.7
4.4
q
1
5
q
q
q – 50
q 1.210
q 3.23
q 4.9
q 480
150
150
1.235
3.30
5.0
± 50
550
250
300
50
1.260
3.37
5.1
620
UNITS
V
V
V
µA
µA
µA
nA
V
V
V
ppm
kHz
Burst Mode is a trademark of Linear Technology Corporation.
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