Datasheet

UCD7230
SLUS741D –NOVEMBER 2006–REVISED JANUARY 2010 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V
DD
= P
VDD
= 12 V, 4.7-mF from V
DD
to A
GND
, 1 mF from P
VDD
to P
GND
, 0.1 mF from CSBIAS to AGND, 0.22 mF from BST to
SW, T
A
= T
J
= -40°C to +125°C, R
CS+
= 5 kΩ, R
DLY
= 50 kΩ over operating free-air temperature range (unless otherwise
noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LOW-SIDE OUTPUT DRIVER (OUT2)
Source current
(3)
V
DD
= 12 V, IN = high, OUT2 = 5 V 2.2
Sink current
(3)
V
DD
= 12 V, IN = low, OUT2 = 5 V 3.5
A
Source current
(3)
V
DD
= 4.75 V, IN = high, OUT2 = 0 1.6
V
DD
= 4.75 V, IN = low, OUT2 =
Sink current
(3)
2
4.75 V
Rise time
(3)
C
LOAD
= 2.2 nF, V
DD
= 12 V 15
ns
Fall time
(3)
C
LOAD
= 2.2 nF, V
DD
= 12 V 15
Output with VDD <UVLO V
DD
= 1.0 V, Isink = 10 mA 0.8 1.2 V
Propagation delay from IN to C
LOAD
= 2.2 nF, IN rising, SW = 2.5
30 ns
OUT2
(3)
V, BST = PVDD = VDD = 12 V
HIGH-SIDE OUTPUT DRIVER (OUT1)
V
DD
= 12 V, BST = 12 V IN = High,
Source current
(3)
1.7
OUT1 = 5 V
V
DD
= 12 V, BST = 12 V IN = Low,
Sink current
(3)
3.5
OUT1 = 5 V
A
V
DD
= 4.75 V = BST = 4.75 V, IN =
Source current
(3)
1
High, OUT1 = 0
V
DD
= 4.75 V, BST = 4.75 V, IN =
Sink current
(3)
2.4
Low, OUT1 = 4.75 V
C
LOAD
= 2.2 nF OUT1 to SW, VDD =
Rise time
(3)
20
12 V
C
LOAD
= 2.2 nF OUT1 to SW, V
DD
=
Fall time
(3)
15 ns
12 V
Propagation delay from IN to C
LOAD
= 2.2 nF, IN falling, SW = 2.5
30
OUT1
(3)
V, BST = PVDD = VDD = 12 V
(3) As designed and characterized. Not 100% tested in production.
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