Datasheet

V
IN
(V)
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
TEMPERATURE (ºC)
-40 -20 0 20 40 60 80 100 120 140
On Threshold
Off Threshold
100
101
102
-40 0
40
80
120
TEMPERATURE (ºC)
SWITCHING FREQUENCY (%)
100
98
99
140
60
20
-20
TEMPERATURE (ºC)
CURRENT (PA)
50
70
90
-40
0 40 80 120
100
20
30
140
6020-20
40
60
80
IQ
(VBIAS=0V)
IQ
(VBIAS=5V)
IVBIAS
(VBIAS=5V)
500
700
TEMPERATURE (ºC)
CURRENT (PA)
600
100
200
300
400
-40
0 40 80 120
100
140
6020-20
IQ
(VBIAS=0V)
IQ
(VBIAS=5V)
IVBIAS
(VBIAS=5V)
V
IN
(V)
V
FB
(V)
1.232
1.233
1.234
1.235
1.236
0 5 10 15 20
25
30 35 40
TEMPERATURE (ºC)
V
FB
(V)
-40 0
40
80
120
100
140
60
20
-20
1.228
1.230
1.232
1.234
1.236
LM26001, LM26001Q
SNVS430G –MAY 2006–REVISED MAY 2006 www.ti.com
Typical Performance Characteristics
Unless otherwise specified the following conditions apply: Vin = 12V, T
J
= 25°C.
VFB vs Vin
VFB vs Temperature (IDC = 300 mA)
Figure 2. Figure 3.
IQ and IVBIAS vs Temperature (Sleep Mode) IQ and IVBIAS vs Temperature (PWM Mode)
Figure 4. Figure 5.
Normalized Switching Frequency vs Temperature (300kHz) UVLO Threshold vs Temperature (VDD = VIN)
Figure 6. Figure 7.
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