LND34063A
ELECTRICAL CHARACTERISTICS
Vcc=5.0V,TA=Tlow to Thigh, unless otherwise specified.)
Characteristics
Oscillator
Symbol
Min
Typ
Max
Unit
Frequency
(Vpin5=0V, CT=1.0nF, TA=25ºC)
Charge Current
(Vcc=5.0V to 40V, TA =25ºC)
Discharge Current
(Vcc=5.0V to 40V, TA=25ºC
Discharge to charge Current ratio
(Pin 7 to Vcc, TA =25ºC
Current Limit Sense Voltage
(Ichg=I dischg, T=25ºC
fOSC
24
33
42
kHz
µA
µA
-
Ichg
24
35
42
Idischg
140
5.2
250
220
6.5
300
260
7.5
350
Idischg/Ichg
Vipk(sense)
mV
Output Switch(Note 2)
Saturation Voltage Darlington
Connection
Vce(sat)
-
-
1.0
1.3
0.7
V
V
(Isw=1.0 A, Pins 1,8 connected)
Saturation Voltage, Darlington
Connection
(Isw=1.0A, Rpin8=82Ω to Vcc,
forcedβ=20)
Vce(sat)
0.45
DC Current Gain
hFE
50
-
75
40
-
-
(Isw=1.0A, Vce=5.0V TA = 25º C
Collector Off-State Current
(Vce=40V)
Ic(off)
100
µA
Comparator
Threshold Voltage
(TA=25ºC)
Vth
1.225
1.21
1.25
-
1.275
1.29
V
(TA=Tlow to Thigh
)
Threshold Voltage Line Regulation
Regline
IIB
-
1.4
5.0
mV
nA
(Vcc=3.0V to 40V)
Input Bias Current
(Vin=0V)
-
-20
-400
Total Device
Supply Current
(Vcc=5.0V to 40V, Ct=1.0nF,
Pin 7=Vcc,Vpin 5>Vth, Pin 2=Gnd,
remaining pins open)
Notes:
Icc
-
-
4.0
mA
1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient
temperature as possible.
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
LINEAR_DIMENSIONS [ Linear Dimensions ]
