BL9110
Quiescent
1A Low Dropout, Low Quiescent Current
High PSRR CMOS Linear Regulator
FEATURES
Up to 1A Output Current
70uA Operating Supply Current
Excellent Line Regulation: 0.05%/V
Low Dropout: 350mV@1A(VOUT=3.3V)
High Power Supply Rejection Ratio
Wide Operating Voltage Range: 2.5V to 6.0V
1V to 5V Factory-Preset Output
High Accuracy: ±1% or ±2%
Built-in Auto Discharge Function
500mA in-rush Current Limit
Fold-back Current Limit Protection
Thermal Shutdown Protection
DFN-6,
SOT-89-5,
SOT-89-3,
SOT-223-5,
SOT-223-3, TO-263-3, TO-220-3, TO-252-3
and TO-252-5 Package
RoHS Compliant and 100% Lead (Pb)-Free
PCMCIA Cards and Wireless LAN
Electrical appliances such as cameras, VCRS
DESCRIPTION
The BL9110 is a low-dropout regulator that operates
the input voltage from 2.5V to 6V and delivers 1A
load current. The BL9110 is available in two types,
either fixed or adjustable output voltage. The output
voltage of the fixed types is preset at an internally
trimmed voltage 1V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,
2.7V, 2.8V, 2.85V, 3.0V, 3.2V, 3.3V, 5V or can be
made with options of the output range from 1V to 5V
in 50mV increments. The output range of adjustable
types is from 1V to 5V. The BL9110 consists of a
voltage reference, an error amplifier, resistor net for
setting output voltage, a current limit circuit for
over-current and a thermal-shutdown circuit.
A standby mode with ultra low supply current can be
realized with the chip enable function. Since the
packages for BL9110 are DFN-6, SOT-89-5,
SOT-223-5,
SOT-223-3,
TO-263-3,
TO-220-3,
SOT-89-3, TO-252-3, TO92-3 and TO-252-5 with
high power dissipation, high density mounting of the
IC on board is possible.
APPLICATIONS
Portable Communication Equipment
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
ORDERING INFORMATION
BL9110-VVV X X XX
Package:
AA: DFN-6
BA: SOT-89-5-A
CA: TO-252-5
DA: SOT-223-5
EA: TO-252-3-A
FA: SOT-223-3-A
FC: SOT-223-3-C
GA: TO-263-3-A
GC: TO-263-3-C
HA: TO-220-3
IA: SOT-89-3-A
IC: SOT-89-3-C
JA:TO92-3
BB: SOT-89-5-B
TYPICAL APPLICATION
EB: TO-252-3-B
FB: SOT-223-3-B
FD: SOT-223-3-D
GB: TO-263-3-B
IB: SOT-89-3-B
Features:
P: Standard (default, lead free)
C: Customized
Output Voltage Accuracy
A: ±1%
B: ±2%
Output Voltage
100:1.0V 120:1.2V 130:1.3V 150:1.5V
180:1.8V 250:2.5V 270:2.7V 280:2.8V
285:2.85V 300:3.0V 320:3.2V 330:3.3V
500:5.0V
ADJ: adjustable
PPMIC BU
BL9110 Rev 1.2
07/2011
www.belling.com.cn
Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
©2011 Belling All Rights Reserved
1
BL9110
Quiescent
1A Low Dropout, Low Quiescent Current
High PSRR CMOS Linear Regulator
Pin Descriptions
Symbol
VOUT
GND
CE
VDD
ADJ/NC
VVV
Voltage (V)
Y
Year
WW
Week
9
2009
01
1
100
1.0
A
2010
…
…
Description
Output Pin
Ground Pin
Chip Enable Pin (High active)
Input Pin
Adjustable/No Connection
120
1.2
B
2011
09
9
130
1.3
C
2012
10
10
…
…
285
2.85
D
2013
11
11
…
…
51
51
52
52
…
…
495
4.95
500
5.0
ADJ
Adjustable
Thermal Resistance
(Note 4)
:
Package
DFN-6
SOT-89-5
TO-252-5
SOT-223-5
TO-252-3
SOT-223-3
TO-263-3
TO-220-3
SOT89-3
JA
JC
95°C/W
160°C/W
90°C/W
160°C/W
90°C/W
160°C/W
65°C/W
50°C/W
180°C/W
10°C/W
45°C/W
10°C/W
20°C/W
10°C/W
20°C/W
7°C/W
7°C/W
50°C/W
Note 1:
Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
Note 2:
The BL9110 is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to
85°C operating temperature range are assured by design, characterization and correlation with statistical
process controls.
Note 3:
VVV: Voltage code (for example 100 stands for 1.0V) Y: Year of wafer manufacturing WW: Week of wafer
manufacturing
Note 4:
Thermal Resistance is specified with approximately 1 square of 1 oz copper.
PPMIC BU
BL9110 Rev 1.2
07/2011
www.belling.com.cn
Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
©2011 Belling All Rights Reserved
4
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