Datasheet

0
200
400
600
800
1000
−50 −25 0 25 50 75 100 125
Junction Temperature (°C)
V5 Supply Current (µA)
V
V5
= 5 V
V
EN
= 5 V
No Load
0
2
4
6
8
10
−50 −25 0 25 50 75 100 125
Junction Temperature (°C)
V5 Shutdown Current (µA)
V
V5
= 5 V
V
EN
= 0 V
No Load
0
2
4
6
8
10
12
14
16
−50 −25 0 25 50 75 100 125
Junction Temperature (°C)
Trip Source Current (µA)
V
V5
= 5 V
V
TRIP
= 0.5 V
50
60
70
80
90
100
110
120
130
140
150
−50 −25 0 25 50 75 100 125
Junction Temperature (°C)
UVP/OVP Threshold (%)
UVP
OVP
V
V5
= 5 V
V
REFIN
= 0 V
1.980
1.985
1.990
1.995
2.000
2.005
2.010
2.015
2.020
0 50 100 150 200 250 300 350 400
VREF Current (µA)
VREF Voltage (V)
V
V5
= 5 V
T
A
= 27°C
200
300
400
500
600
700
800
900
6 8 10 12 14 16 18 20 22
Input Voltage (V)
Switching Frequency (kHz)
R
MODE
= 1 kΩ
R
MODE
= 12 kΩ
R
MODE
= 100 kΩ
R
MODE
= 200 kΩ
I
OUT
= 10 A
TPS51219
www.ti.com SLUSAG1B –MARCH 2011– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS
Figure 1. V5 Supply Current vs Junction Temperature Figure 2. V5 Shutdown Current vs Junction Temperature
Figure 3. Current Sense Current vs Junction Temperature Figure 4. OVP/UVP Threshold vs Junction Temperature
Figure 5. VREF Load Regulation Figure 6. Switching Frequency vs Input Voltage
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