UBA3070T/N1,118 NXP Semiconductors, UBA3070T/N1,118 Datasheet - Page 2

• Manufacturer Part Number: UBA3070T/N1,118
• Description: IC LED DVR WHITE BCKLGT 8-SOIC
• Manufacturer: NXP Semiconductors
• Type: Backlight, White LEDr

Specifications of UBA3070T/N1,118

• Package / Case: 8-SOIC (3.9mm Width)
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 145kHz ~ 205kHz
• Voltage - Supply: 9.3 V ~ 10.6 V
• Voltage - Output: 12V
• Mounting Type: Surface Mount
• Internal Switch(s): Yes
• Number Of Segments: 2
• Low Level Output Current: 0.56 uA (Typ)
• High Level Output Current: - 0.135 uA (Typ)
• Operating Supply Voltage: 9.3 V to 10.6 V
• Maximum Supply Current: 1500 uA
• Maximum Power Dissipation: 500 mW
• Maximum Operating Temperature: + 145 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Package Type: SO
• Pin Count: 8
• Mounting: Surface Mount
• Power Dissipation: 500mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Current - Output / Channel: -
• Efficiency: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 568-4924-1

NXP Semiconductors
4. Ordering information
Table 1.
5. Block diagram
UBA3070
Product data sheet
Type number
UBA3070T
Fig 1.
PWM
GND
V
CC
Block diagram of single channel 8-pin LED backlight controller UBA3070 IC
1
2
3
Ordering information
Package
Name
SO8
Internal
I prot(PWM)
supply
TEMPERATURE
MANAGEMENT
PROTECTION
OSCILLATOR
POWER-ON
SUPPLY
RESET
OVER-
UVLO Start
Description
plastic small outline package; 8 leads; body width 3.9 mm
All information provided in this document is subject to legal disclaimers.
V
CC
UVLO
< 4.5 V
LOGIC
LOGIC
Rev. 3 — 9 December 2010
S
R
S
R
Q
Q
Q
Q
VALLEY
winding
100
mV
Short
PROTECTION
Blank
MASK
LEB
−
clamp
0.5 V
0.88 V
DRIVER
start
I prot(mask)
soft
S2
LED backlight driver IC
I startup(soft)
UBA3070
© NXP B.V. 2010. All rights reserved.
014aaa257
0.5 V
Version
SOT96-1
8
4
6
5
MASK
SENSE
DRAIN
GATE
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