UBA2071T/N1,118 NXP Semiconductors, UBA2071T/N1,118 Datasheet - Page 25

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UBA2071T/N1,118

Manufacturer Part Number
UBA2071T/N1,118
Description
IC DRIVER HALF BRIDGE 24SOIC
Manufacturer
NXP Semiconductors
Type
CCFL/EEFL Controllerr
Datasheet

Specifications of UBA2071T/N1,118

Package / Case
24-SOIC (0.300", 7.50mm Width)
Frequency
38 ~ 42kHz
Current - Supply
1.5mA
Voltage - Supply
14V
Operating Temperature
-25°C ~ 100°C
Driver Type
CCFL Drivers
Operating Supply Voltage
14 V
Maximum Operating Temperature
+ 100 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 25 C
Supply Current
1.5 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
935285139118
NXP Semiconductors
Table 6.
T
voltages are measured with respect to signal ground (SGND, pin 10). SGND and PGND connected together. GL, GH,
COMM, NONFAULT and PWMD pins left open (unless otherwise specified). Currents are positive when flowing into the IC.
Parameters valid for all types (unless otherwise specified).
UBA2071_A_1
Product data sheet
Symbol
V
I
Ignition
f
V
I
V
Normal operation
I
f
V
V
V
R
g
Drivers
I
R
t
V
PWM dimming
I
t
VDD
sw(max)
ch(CVFB)
VDD
sw(min)
source(drv)
no
VDD
d(en)PWM
amb
m(OTA)
clamp(VDD)
CVFB(max)
th(lod)(IFB)
ref(creg)
IFB(min)
IFB(max)
Fd(bs)
i(IFB)
sink(drv)
= 25 C; V
/f
sw(min)
Characteristics
VDD
= 12 V; R
Parameter
clamp voltage on pin VDD
current on pin VDD
maximum switching frequency
to minimum switching
frequency ratio
maximum voltage on pin CVFB
charge current on pin CVFB
lamp on detection threshold
voltage on pin IFB
current on pin VDD
minimum switching frequency
current regulation reference
voltage
minimum voltage on pin IFB
maximum voltage on pin IFB
input resistance on pin IFB
OTA transconductance
driver source current
driver sink resistance
non-overlap time
bootstrap diode forward
voltage
current on pin VDD
PWM enable delay time
…continued
IREF
= 33 k ; V
EN
= V
VDD
Rev. 01 — 23 June 2008
Conditions
EN pin grounded; I
UBA2071T and UBA2071TS
EN pin grounded; I
UBA2071T and UBA2071TS
EN pin grounded; V
UBA2071AT and UBA2071ATS
V
oscillating at f
C
disabled; V
oscillating; CF = 100 pF;
GL and GH open
C
for linear operating range
for linear operating range
V
V
V
V
V
V
I
C
V
FS
VFB
IFB
IFB
GL
VDD
GL
VDD
CSWP
CF
CF
CF
and CPWM connected to a capacitor, unless otherwise specified. All
= 5 mA
, V
, V
= 100 pF
= 100 pF; V
= 100 pF
= 1 V
= 1 V
= 2 V; V
= V
= V
GH
GH
= 0 V
FS
FS
= 4 V;
= 2 V;
VDD
= 12 V
= 12 V
CVFB(max)
sw(min)
= 11 V
PWMD
VDD
VDD
Half bridge control IC for CCFL backlighting
;
VDD
UBA2071; UBA2071A
= H;
= 0.22 mA;
= 2 V
= 3 mA;
= 14.0 V;
[1][2]
[1][2]
Min
13
-
-
2.2
-
0.9
1.2
-
-
10
38
1.20
-
-
-
-
14
13.5
1.1
1.0
1.0
3
24
105
Typ
13.35 13.7
-
-
2.4
2.5
1.05
1.5
0.16
1.5
-
40
1.26
2.5
45
24
16.5
16.0
1.3
1.5
1.2
4
21
2.5
90
© NXP B.V. 2008. All rights reserved.
Max
14.0
0.22
2.6
-
1.2
1.8
-
-
100
42
1.32
-
-
-
-
19
18.5
1.5
2.0
1.4
5
18
75
25 of 35
Unit
V
V
mA
kHz
V
V
mA
mA
mA
kHz
kHz
V
V
V
k
k
mA
V
mA
ms
A
A/V
s

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