NCP605, NCP606
500mA, Low I
GND
, CMOS
LDO Regulator with/without
Enable and with Enhanced
ESD Protection
The NCP605/NCP606 provide in excess of 500 mA of output
current at fixed voltage options or an adjustable output voltage from
5.0 V down to 1.25 V. These devices are designed for space
constrained and portable battery powered applications and offer
additional features such as high PSRR, low noise operation, short
circuit and thermal protection. The devices are designed to be used
with low cost ceramic capacitors and are packaged in the DFN6 3x3.3.
NCP605 is designed without enable pin, NCP606 is designed with
enable pin.
Features
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MARKING
DIAGRAM
1
DFN6, 3x3.3
MN SUFFIX
CASE 506AX
xxxx
zzz
A
Y
WW
G
xxxx
zzz
AYWWG
G
•
Output Voltage Options:
•
•
•
•
•
•
•
•
•
•
•
•
•
Adjustable, 1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V, 5.0 V
Adjustable Output by External Resistors from 5.0 V down to 1.25 V
Current Limit 675 mA
Low I
GND
(Independent of Load)
$1.5%
Output Voltage Tolerance Over All Operating Conditions
(Adjustable)
$2%
Output Voltage Tolerance Over All Operating Conditions
(Fixed)
NCP605 Fixed is Direct Replacement LP8345
Typical Noise Voltage of 50
mV
rms
without a Bypass Capacitor
Enhanced ESD Ratings: 4 kV Human Body Mode (HBM)
200 V Machine Model (MM)
These are Pb−Free Devices
Hard Disk Drivers
Notebook Computers
Battery Power Electronics
Portable Instrumentation
= P605 or P606
= ADJ, 150, 180, 250, 280,
300, 330, 500
= Assembly Location
= Year
= Work Week
= Pb−Free Package
(*Note: Microdot may be in either location)
NCP605 PIN CONNECTIONS
DFN6 3x3.3mm
V
in
GND
NC
1
2
3
(TOP VIEW)
GND
6
5
4
V
in
SENSE/ADJ
V
out
Typical Applications
NCP606 PIN CONNECTIONS
DFN6 3x3.3mm
V
in
V
out
V
out
C
out
(TOP VIEW)
GND
EN
1
2
3
GND
6
5
4
V
in
SENSE/ADJ
V
out
V
in
C
in
V
in
NCP605
(Fixed)
SENSE
GND
ORDERING INFORMATION
Figure 1. NCP605 Typical Application Circuit for Fixed
Version (1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V, 5.0 V)
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
©
Semiconductor Components Industries, LLC, 2013
January, 2013
−
Rev. 2
1
Publication Order Number:
NCP605/D
NCP605, NCP606
V
in
C
in
V
in
NCP606
(Fixed)
EN
SENSE
GND
V
out
C
out
V
out
Figure 2. NCP606 Typical Application Circuit for Fixed Version (1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V, 5.0 V)
V
in
C
in
V
in
V
out
R
1
C
out
V
out
V
in
C
in
V
in
V
out
R
1
C
out
V
out
NCP605
(Adjustable)
GND
ADJ
NCP606
(Adjustable)
EN
GND
ADJ
R
2
R
2
Figure 3. NCP605 Typical Application Circuit for
Adjustable Version (1.25 V < V
out
v
5.0 V)
Figure 4. NCP606 Typical Application Circuit for
Adjustable Version (1.25 V < V
out
v
5.0 V)
V
in
C
in
V
in
V
out
C
out
V
out
V
in
C
in
V
in
V
out
C
out
V
out
NCP605
(Adjustable)
GND
ADJ
NCP606
(Adjustable)
EN
GND
ADJ
Figure 5. NCP605 Typical Application Circuit for
Adjustable Version (V
out
= 1.25 V)
Figure 6. NCP606 Typical Application Circuit for
Adjustable Version (V
out
= 1.25 V)
V
in
Adjustable
Version Only
Driver with
Current Limit
Thermal
Shutdown
+
−
V
ref
V
out
V
in
Adjustable
Version Only
Driver with
Current Limit
Thermal
Shutdown
EN
+
−
V
ref
V
out
SENSE/ADJ
SENSE/ADJ
GND
Fixed Version Only
GND
Fixed Version Only
Figure 7. NCP605 Simplified Block
Diagram
Figure 8. NCP606 Simplified Block
Diagram
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NCP605, NCP606
PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
Pin Name
V
in
GND
NC/EN
V
out
SENSE/ADJ
Positive Power Supply Input*
Power Supply Ground
NCP605: This Pin is Not Connected
NCP606: This Pin is Enable Input, Active HIGH
Regulated Output Voltage
Output Voltage Sense Input
Fixed Version: Connect Directly to Output Capacitor
Adjustable Version: Connect to Middle Point of External Resistor Divider
Positive Power Supply Input*
Exposed Pad is Connected to Ground
Description
6
EPAD
V
in
GND
*Pins 1 and 6 must be connected together externally for output current full range operation
ABSOLUTE MAXIMUM RATINGS
Rating
Input Voltage Range (Note 1)
Chip Enable Voltage Range (NCP606 only)
Output Voltage Range
Output Voltage/Sense Input Range, SENSE/ADJ
ESD Capability
Maximum Junction Temperature
Storage Temperature Range
Human Body Model
Machine Model
Symbol
V
in
V
EN
V
out
V
ADJ
ESD
T
J(MAX)
T
STG
Value
−0.3
to 6.5
−0.3
to 6.5
−0.3
to 6.5
−0.3
to 6.5
4000
200
150
−65
to 150
Unit
V
V
V
V
V
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE: This device series contains ESD Protection and exceeds the following tests:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC− 150 mA per JEDEC standard: JESD78Q100−003 (EIA/JESD22−A115)
Latchup Current Maximum Rating:
v
150 mA per JEDEC standard: JESD78.
1. Minimum V
in
= (V
out
+ V
DO
) or 1.5 V, whichever is higher.
THERMAL CHARACTERISTICS
Rating
Thermal Resistance, Junction−to−Ambient (Note 2)
Thermal Resistance, Junction−to−Case
Symbol
R
qJA
R
YJC
Value
75
18
Unit
°C/W
°C/W
2. Soldered on 645 mm
2
, 1 oz copper area, FR4. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe
Operating Area.
OPERATING RANGES
(Note 3)
Rating
Input Voltage (Note 4)
Output Current (Notes 5 and 6)
Junction Temperature
Ambient Temperature
3.
4.
5.
6.
Symbol
V
in
I
out
T
J
T
A
Value
1.5 to 6.0
0 to 675
−40
to 150
−40
to 125
Unit
V
mA
°C
°C
Refer to Electrical Characteristics and Application Information for Safe Operating Area.
Minimum V
in
= (V
out
+ V
DO
) or 1.5 V, whichever is higher.
Minimum limit valid for fixed versions only. For more details refer to Application Information Section.
Maximum limit for V
out
= V
out(nom)
−
10%.
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NCP605, NCP606
ELECTRICAL CHARACTERISTICS
V
in
= (V
out
+ 0.5 V) or 1.5 V, whichever is higher, C
in
= 1
mF,
C
out
= 1
mF,
for typical values T
A
= 25°C, for min/max values T
A
=
−40°C
to
85°C; unless otherwise noted. (Notes 9 and 10)
Parameter
Output voltage (Adjustable Version)
Output voltage (Fixed Versions)
Test Conditions
V
in
= 1.75 V to 6 V
I
out
= 1 mA to 500 mA
1.5 V V
in
= (V
out
+ 0.5 V) to 6 V
1.8 V I
out
= 1 mA to 500 mA
2.5 V
2.8 V
3.0 V
3.3 V
5.0 V
V
in
= (V
out
+ 0.5 V) to 6 V, I
out
= 1 mA
I
out
= 1 mA to 500 mA
V
DO
= V
in
−
V
out
V
out
= 1.25 V
I
out
= 500 mA
V
DO
= V
in
−
(V
out
−
0.1 V)
1.5 V I
out
= 500 mA
1.8 V V
out
= 0 V to 90% V
out(nom)
2.5 V
2.8 V
3.0 V
3.3 V
5.0 V
V
EN
= 0 V
I
out
= 1 mA to 500 mA
V
out
= V
out(nom)
−
10 %
V
out
= 0 V
Symbol
V
out
V
out
Min
1.231
(−1.5%)
1.470
1.764
2.450
2.744
2.940
3.234
4.900
(−2%)
−
−
−
Typ
1.250
1.5
1.8
2.5
2.8
3.0
3.3
5.0
4
10
450
Max
1.269
(+1.5%)
1.530
1.836
2.550
2.856
3.060
3.366
5.100
(+2%)
10
30
470
Unit
V
V
Line regulation
Load regulation
Dropout voltage (Adjustable Version)
(Note 9)
Dropout voltage (Fixed Version)
Reg
line
Reg
load
V
DO
mV
mV
mV
V
DO
−
−
−
−
−
−
−
−
−
675
700
290
250
200
190
180
170
150
0.1
145
−
1000
360
300
250
240
230
220
200
1
180
−
1350
mV
Disable Current (NCP606 Only) (Note 10)
Ground Current
Current Limit (Note 11)
Output Short Circuit Current
Enable Input Threshold Voltage
(NCP606 Only)
Voltage Increasing, Logic High
Voltage Decreasing, Logic Low
Turn−on Time (Note 11)
I
DIS
I
GND
I
LIM
I
SC
V
th(EN)
mA
mA
mA
mA
V
High
Low
V
in
= 0 V to (V
out
+ 0.5 V) or 1.75 V,
1.25 V whichever is higher
1.5 V V
out
= 0 V to 90% of V
out(nom)
1.8 V
2.5 V
2.8 V
3.0 V
3.3 V
5.0 V
t
on
0.9
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
6
6
7
8
10
12
15
30
12
12
13
16
18
19
20
30
−
0.4
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
ms
Enable Time (NCP606 Only) (Note 11)
V
EN
= From 0 V to V
in
1.25 V
1.5 V
1.8 V
2.5 V
2.8 V
3.0 V
3.3 V
5.0 V
t
EN
ms
7. Refer to ABSOLUTE MAXIMUM RATINGS and APPLICATION INFORMATION for Safe Operating Area.
8. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at T
J
= T
A
= 25°C. Low
duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
9. Maximum dropout voltage is limited to minimum input voltage V
in
= 1.7 V recommended for guaranteed operation at maximum output
current.
10. Refer to application information section.
11. Values based on design and/or characterization.
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NCP605, NCP606
ELECTRICAL CHARACTERISTICS
V
in
= (V
out
+ 0.5 V) or 1.5 V, whichever is higher, C
in
= 1
mF,
C
out
= 1
mF,
for typical values T
A
= 25°C, for min/max values T
A
=
−40°C
to
85°C; unless otherwise noted. (Notes 9 and 10)
Parameter
Power Supply Ripple Rejection (Note 11)
Test Conditions
I
out
= 500 mA
V
out
= 1.25 V
V
in
−
V
out
= 1 V
f = 120 Hz, 0.5 V
PP
f = 1 kHz, 0.5 V
PP
f = 10 kHz, 0.5 V
PP
f = 10 Hz to 100 kHz, V
out
= 1.25 V
Symbol
PSRR
−
−
−
V
n
T
SD
T
SH
−
−
−
62
55
40
50
175
10
−
−
−
−
−
−
mV
rms
°C
°C
Min
Typ
Max
Unit
dB
Output Noise Voltage (Note 11)
Thermal Shutdown Temperature (Note 11)
Thermal Shutdown Hysteresis (Note 11)
7. Refer to ABSOLUTE MAXIMUM RATINGS and APPLICATION INFORMATION for Safe Operating Area.
8. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at T
J
= T
A
= 25°C. Low
duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
9. Maximum dropout voltage is limited to minimum input voltage V
in
= 1.7 V recommended for guaranteed operation at maximum output
current.
10. Refer to application information section.
11. Values based on design and/or characterization.
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