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BD15HC0MEFJ-ME2

P1-P3P4-P6P7-P8
General Description
The MAX8891/MAX8892 low-dropout (LDO) linear regu-
lators are designed to deliver up to 150mA continuous
output current. These regulators achieve a low 120mV
dropout for 120mA load current.
The MAX8891 only requires an input/output capacitor,
hence achieving the smallest PCB area. The
MAX8892’s output voltage can be adjusted with an
external divider.
The MAX8891 is preset to a variety of voltages in the
1.5V to 4.5V range. Designed with a p-channel
MOSFET series pass transistor, the MAX8891/MAX8892
maintain very low ground current (40µA).
The regulators are designed and optimized to work with
low-value, low-cost ceramic capacitors. The MAX8891/
MAX8892 require only 1µF (typ) of output capacitance
for stability with any load. When disabled, current con-
sumption drops to below 1µA.
These regulators are available in a tiny 5-pin SC70
package.
Applications
Cellular and Cordless Phones
PDA and Palmtop Computers
Base Stations
Bluetooth Portable Radios and Accessories
Wireless LANs
Digital Cameras
Personal Stereos
Portable and Battery-Powered Equipment
Features
♦ Space-Saving SC70 Package
♦ 65dB PSRR at 10kHz
♦ 120mV Dropout at 120mA Load
♦ Stable with 1µF Ceramic Capacitor for Any Load
♦ Guaranteed 150mA Output
♦ Only Need Input and Output Capacitors (MAX8891)
♦ Output Voltages: 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V,
2.85V, 3V, 3.3V, 4.5V (MAX8891) and Adjustable
(MAX8892)
♦ Low 40µA Ground Current
♦ Excellent Load/Line Transient
♦ Overcurrent and Thermal Protection
High PSRR, Low-Dropout, 150mA
Linear Regulators
MAX8891/MAX8892
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
GND
N.C. (MAX8891)
FB (MAX8892)
SHDN
1
2
3
5
4
OUT
IN
MAX8891/
MAX8892
SC70
+
TOP VIEW
Pin Configuration
MAX8891
OUTPUT PRESET
1.5V TO 4.5V
IN
INPUT
2V TO 6V
OFF
SHDN
C
OUT
= 1μF
C
IN
= 1μF
OUT
ON
GND
MAX8892
OUTPUT ADJUSTABLE
1.5V TO 4.5V
IN
INPUT
2V TO 6V
OFF
SHDN
R1
R2
C
OUT
= 1μF
C
IN
= 1μF
OUT
ON
FB
GND
Typical Operating Circuits
Ordering Information
19-4537; Rev 1; 12/11
*
xy is the output voltage code (see Output Voltage Selector
Guide). Other versions between 1.5V and 4.5V are available in
100mV increments. Contact factory for other versions.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
PART* TEMP RANGE PIN-PACKAGE
MAX8891EXKxy+T -40°C to +85°C 5 SC70
MAX8891EXKxy/V+T -40°C to +85°C 5 SC70
MAX8892EXK+T -40°C to +85°C 5 SC70
Output Voltage Selector Guide appears at end of data sheet.
High PSRR, Low-Dropout, 150mA
Linear Regulators
2 Maxim Integrated
MAX8891/MAX8892
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= V
OUT
+ 0.5V, T
A
= -40°C to +85°C, unless otherwise noted. C
IN
= 1µF, C
OUT
= 1µF. Typical values are at T
A
= +25°C; the
MAX8892 is tested with 2.45V output, unless otherwise noted.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN to GND .................................................................-0.3V to +7V
Output Short-Circuit Duration.....................................Continuous
OUT, SHDN to GND ....................................-0.3V to (V
IN
+ 0.3V)
FB, BP, N.C. to GND ................................-0.3V to (V
OUT
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SC70 (derate 3.1mW/°C above +70°C)..............0.247W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
PACKAGE THERMAL CHARACTERISTICS (Note 1)
SC70
Junction-to-Ambient Thermal Resistance (θ
JA
) .........324°C/W
Junction-to-Case Thermal Resistance (θ
JC
) ..............115°C/W
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Voltage Range V
IN
2 6 V
Output Voltage Accuracy
I
OUT
= 100μA to 80mA -3 +3
%
Maximum Output Current I
OUT
150 mA
Current Limit I
LIM
I
OUT
= 90% of nominal value 200 mA
V
OUT
3V, I
OUT
= 120mA 120
2.5V V
OUT
< 3V, I
OUT
= 120mA 135
Dropout Voltage (Note 3)
2V V
OUT
< 2.5V, I
OUT
= 120mA 180
mV
Ground Current I
Q
I
OUT
= 0.05mA 40 μA
Line Regulation V
LNR
V
IN
= (V
OUT
+ 0.5V) to 6V, I
OUT
= 0.1mA 0.001 %/V
Load Regulation V
LDR
I
OUT
= 1mA to 80mA 0.003 %/mA
T
A
= +25°C 0.003 1
Shutdown Supply Current I
SHDN
V
SHDN
= 0V
T
A
= +85°C 0.05
μA
Ripple Rejection PSRR
f = 10kHz, I
OUT
= 10mA 65
dB
Output Noise Voltage (RMS)
f = 100Hz to 100kHz, I
LOAD
= 80mA 230
μV
SHDN Logic-Low Level V
IN
= 2V to 6V 0.4 V
SHDN Logic-High Level V
IN
= 2V to 6V 1.5 V
T
A
= +25°C
SHDN Input Bias Current
V
IN
= 6V,
V
SHDN
= 0V or 6V
T
A
= +85°C 0.01
μA
T
A
= +25°C 0.006 0.1
FB Input Bias Current
(MAX8892)
V
IN
= 6V,
V
FB
= 1.3V
T
A
= +85°C 0.01
μA
Thermal Shutdown 160 °C
Thermal-Shutdown Hysteresis 10 °C
Note 2: Limits are 100% tested at T
A
= +25°C. Limits over operating temperature range are guaranteed by design.
Note 3: Dropout is defined as V
IN
- V
OUT
when V
OUT
is 100mV below the value of V
OUT
for V
IN
= V
OUT
+ 0.5V.
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial
.
High PSRR, Low-Dropout, 150mA
Linear Regulators
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX8891/2 toc04
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV))
125100755025
40
80
120
160
200
0
60
100
140
180
20
0150
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
DROPOUT VOLTAGE vs. OUTPUT VOLTAGE
MAX8891/2 toc05
OUTPUT (V)
DROPOUT VOLTAGE (mV)
3.02.82.62.42.2
50
100
150
200
250
0
2.0 3.2
I
OUT
= 80mA
GROUND PIN CURRENT vs. INPUT VOLTAGE
MAX8891/2 toc06
INPUT VOLTAGE (V)
GROUND PIN CURRENT (μA)
4321
150
200
50
100
250
300
350
0
05
I
OUT
= 0mA
GROUND PIN CURRENT vs. LOAD CURRENT
MAX8891/2 toc07
LOAD CURRENT (mA)
GROUND PIN CURRENT (μA)
125100755025
50
100
150
200
250
300
350
0
0 150
V
IN
= 3.8V
V
IN
= 5.5V
GROUND PIN CURRENT vs. TEMPERATURE
MAX8891/2 toc08
TEMPERATURE (°C)
GROUND PIN CURRENT (μA)
603510-15
35
40
45
50
30
-40 85
Maxim Integrated 3
MAX8891/MAX8892
Typical Operating Characteristics
(V
IN
= V
OUT
+ 0.5V, C
IN
= 1µF, C
OUT
= 1µF, T
A
= +25°C, unless otherwise noted.)
OUTPUT VOLTAGE vs. INPUT VOLTAGE
MAX8891/2 toc01
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
54321
0.5
1.0
1.5
2.0
2.5
3.0
0.0
06
I
OUT
= 120mA
I
OUT
= 0mA
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX8891/2 toc02
LOAD CURRENT (mA)
% DEVIATION (%)
125100755025
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
0150
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
MAX8891/2 toc03
TEMPERATURE (°C)
% DEVIATION (%)
603510-15
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40 85
I
OUT
= 1mA
PSRR vs. FREQUENCY
MAX8891/2 toc09
FREQUENCY (kHz)
PSRR (dB)
0.1 1 10 100
40
50
60
10
20
30
70
80
90
0
0.01 1000
I
LOAD
= 10mA
P1-P3P4-P6P7-P8

BD15HC0MEFJ-ME2

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Description:
LDO Voltage Regulators IC Pwr Linear Reg Single Output LDO
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