Datasheet
SLUS495H − SEPTEMBER 2001 − REVISED AUGUST 2007
3
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electrical characteristics V
DD
= 12 V, 0°C < T
A
< 70°C for the UCC39002, −40°C < T
A
< 105°C for the
UCC29002 and UCC29002/1, T
A
= T
J
(unless otherwise noted)
general
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Supply current LS with no load, ADJ = 5 V 2.5 3.5 mA
VDD clamp voltage IDD = 6 mA 13.50 14.25 15.00 V
undervoltage lockout
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Start-up voltage
(1)
4.175 4.375 4.575
V
Hysteresis 0.200 0.375 0.550
V
current sense amplifier
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
IO
Input offset voltage
T
A
= 25_CV
IC
= 0.5 V or 11.5 V,
V
CSO
= 5 V
−100 100 µV
V
IO
Input offset voltage
Over-temperature variation ±10 µV/_C
A
V
Gain 75 90
dB
CMRR Common mode rejection ratio 75 90
dB
I
BIAS
Input bias current (CS+, CS−) −0.6 0.6 µA
V
OH
High-level output voltage (CSO)
0.1 V ≤ ([CS+] − [CS−]) ≤ 0.4 V,
I
OUT_CSO
= 0 mA
10.7 11.0 11.8
V
V
OL
Low-level output voltage (CSO)
−0.4 V ≤ ([CS+] − [CS−]) ≤ 0.1 V,
I
OUT_CSO
= 0 mA
0.00 0.10 0.15
V
I
OH
High-level output current (CSO) V
CSO
= 10 V −1 −1.5
mA
I
OL
Low-level output current (CSO) V
CSO
= 1 V 1 1.5
mA
GBW Gain bandwidth product
(2)
2 MHz
load share driver (LS)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
RANGE
Input voltage range 0 10
V
OUT
Output voltage
V
CSO
= 1 V 0.995 1 1.005
V
OUT
Output voltage
V
CSO
= 10 V 9.995 10 10.005
V
V
OL
Low-level output voltage V
CSO
= 0 V, I
OUT_LS
= 0 mA 0.00 0.10 0.15
V
V
OH
High-level output voltage
(2)
V
DD
−1.7
I
OUT
Output current 0.5 V ≤ V
LS
≤ 10 V −1 −1.5
mA
I
SC
Short circuit current V
LS
= 0 V, V
CSO
= 10 V −10 −20
mA
V
SHTDN
Driver shutdown threshold V
CS−
− V
CS+
0.3 0.5 0.7 V
load share bus protection
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
I
ADJ
Adjust amplifier current
V
CSO
= 2 V, V
LS
= V
DD
,
V
EAO
= 2 V, V
ADJ
= 5 V
0 5 10
A
I
ADJ
Adjust amplifier current
V
CSO
= 2 V, V
LS
= 0 V,
V
EAO
= 2 V, V
ADJ
= 5 V
0 5 10
µA
(1) Enables the load share bus at start-up.
(2) Ensured by design. Not production tested.