www.ti.com
Electrical Performance Specifications
3
Electrical Performance Specifications
Table 1. UCD9224EVM-464 Electrical Performance Specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Characteristics
Voltage range
As configured, EVM input capable of 4.75 V to 14.0 V
10.8
12
13.2
V
No load input current
135
mA
Controller turn-on voltage
Input voltage above which outputs become enabled
11.0
V
Controller turn-off voltage
Input voltage below which outputs become disabled
10.5
Controller OVP protection
Input voltage above which operation is latched off
13.8
Output Characteristics
Output voltage, VOUT1
I
OUT1
= 10 A
2.450
2.5
2.550
V
Output load current, IOUT1
10
Output voltage regulation
Line regulation: V
IN
= 10.8 V to 13.2 V, I
OUT1
= 10 A
<1.0%
Load regulation: I
OUT1
= 10% to 100%, V
IN
= 12 V
<1.0%
Output voltage ripple
I
OUT1
= 10 A
30
mVpp
Output over current
12.5
A
Output voltage, VOUT2
Output current = 10 A
1.750
1.8
1.850
V
Output load current, IOUT2
10
A
Output voltage regulation
Line regulation: V
IN
= 10.8 V to 13.2 V, I
OUT2
= 10 A
<1.0%
Load regulation: I
OUT2
= 10% to 100%, V
IN
= 12 V
<1.0%
Output voltage ripple
I
OUT2
= 10 A
25
mV
PP
Output over current
12.5
A
Systems Characteristics
Switching frequency
750
kHz
Efficiency
2.5 V at 10 A, 1.2 V at 0 A
87.5%
1.2 V at 10 A, 2.5 V at 0 A
78.2%
Operating temperature
25
ºC
5
SLUU443 – March 2011
UCD9224EVM-464 Digitally Controlled Dual-Rail POL
Submit Documentation Feedback
© 2011, Texas Instruments Incorporated