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TS1451
3-7
2003/12 rev. A
Electrical Characteristics
(Ta= 25
o
C, V
CC
= 6V, f= 200KHz; unless otherwise specified)
REFERENCE SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Output voltage (Vref)
Io=1mA
2.45
2.5
2.6
V
Line regulation
Vcc= 3.6V to 40V
--
2.0
12.5
Load regulation
Io= 0.1mA to 1mA
--
1.0
7.5
mV
Output voltage change with temp.
Ta=Min to Max
--
- 0.2
+/-1
%
Short-circuit output current
Vref= 0
3
10
30
mA
UNDERVOLTAGE LOCKOUT SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Upper threshold voltage (Vcc)
--
2.65
--
V
Lower threshold voltage (Vcc)
--
2.45
--
V
Hysterics (Vcc)
Io(ref)= 0.1mA
80
200
--
mV
SHORT-CIRCUIT PROTECTION CONTROL SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Input threshold voltage
0.65
0.7
0.75
V
Standby voltage
No pull up
140
185
--230
mV
Latched input voltage
No pull up
--
60
120
mV
Input (source) current
Vin= 0.7V
- 10
- 15
- 20
uA
Comparator threshold voltage (FB)
--
1.18
--
V
OSCILLATOR SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Frequency
C
T
= 330pF, R
T
= 10K
--
200
--
KHz
Standard deviation of frequency
C
T
= 330pF, R
T
= 10K
--
10
--
Frequency change with voltage
Vcc= 3.6V to 40V
--
1
--
Frequency change with temperature
Ta= Min to Max
--
--
+/- 2
%
DEAD-TIME CONTROL SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Input bias current
--
--
1
Latch mode (source) current
- 80
- 145
--
uA
Latch input voltage
Io= 40uA
2.3
--
--
Zero duty cycle
--
2.05
2.25
Input threshold voltage at f= 10KHz
Maximum duty cycle
1.2
1.45
--
V
OUTPUT SECTION
Parameter
Test Conditions
Min
Typ
Max
Unit
Leakage current
Vo= 40V
--
--
10
uA
Output saturation voltage
Io= 10mA
--
1.2
2
V
Short-circuit output current
Vo= 6V
--
90
--
mA