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NCP629
High Performance CMOS
LDO Regulator with Enable
and Enhanced ESD
Protection in Chip Scale
Package (CSP)
The NCP629 provides 150 mA of output current at fixed voltage
options. It is designed for portable battery powered applications and
offers high performance features such as low power operation, fast
enable response time, and low dropout.
The device is designed to be used with low cost ceramic capacitors.
Features
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MARKING
DIAGRAM
XXXG
AYWW
5 PIN FLIP-CHIP
CASE 499AY
XXX
A
Y
WW
G
•
Output Voltage Options:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.5 V, 1.8 V, 2.8 V, 3.0 V, 3.3 V, 3.5 V, 5.0 V
Ultra-Low Dropout Voltage of 150 mV at 150 mA
Fast Enable Turn-on Time of 15
ms
Wide Supply Voltage Operating Range
Supports sub-1 V Enable Threshold
Excellent Line and Load Regulation
High Accuracy up to 2% Output Voltage Tolerance over All
Operating Conditions
Typical Noise Voltage of 50
mV
rms
without a Bypass Capacitor
Ultra Small CSP Footprint and Height: 1.028 x 1.19 mm,
Max Height 0.6 mm
Enhanced ESD Protection (HBM 3.5 kV, MM 400 V)
These are Pb-Free Devices
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb-Free Package
PIN CONNECTIONS
A3
C3
Typical Applications
Personal Electronics (MP3 Players)
Portable Devices (Cellular Phones)
Noise Sensitive Circuits – VCO, RF Stages, etc.
Camcorders and Cameras
ORDERING INFORMATION
V
in
V
in
V
out
NCP629
ENABLE
GND
C
out
V
out
See detailed ordering and shipping information in the
package dimensions section on page 10 of this data sheet.
C
in
Figure 1. Typical Application Circuit
©
Semiconductor Components Industries, LLC, 2008
1
February, 2008 - Rev. 1
ÍÍÍ
ÍÍÍ
A1
A3
C3
C1
B2
A1
B2
C1
(Top View)
= ENABLE
= V
in
= V
out
= NC
= GND (substrate)
Publication Order Number:
NCP629/D
NCP629
V
in
V
out
Driver with
Current Limit
+
-
Thermal
Shutdown
ENABLE
V
ref
GND
Figure 2. Simplified Block Diagram
PIN FUNCTION DESCRIPTION
Pin No.
C3
A1
A3
B2
C1
Pin Name
V
in
GND
ENABLE
NC
V
out
Positive Power Supply Input
Power Supply Ground; Device Substrate
The Enable Input places the device into low-power standby when pulled to logic low (< 0.4 V).
Connect to V
in
if the function is not used.
No Connection
Regulated Output Voltage
Description
ABSOLUTE MAXIMUM RATINGS
Rating
Input Voltage Range (Note 1)
Output Voltage Range
Enable Input Range
Maximum Junction Temperature
Storage Temperature Range
ESD Capability, Human Body Model (Note 2)
ESD Capability, Machine Model (Note 2)
Moisture Sensitivity Level
Symbol
V
in
V
out
ENABLE
T
J(max)
T
STG
ESD
HBM
ESD
MM
MSL
Value
-0.3 to 6.5
-0.3 to 6.5 (or V
in
+ 0.3)
Whichever is Lower
-0.3 to 6.5 (or V
in
+ 0.3)
Whichever is Lower
150
-65 to 150
3500
400
MSL1/260
Unit
V
V
V
°C
°C
V
V
-
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.
1. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC-Q100-002 (EIA/JESD22-A114)
ESD Machine Model tested per AEC-Q100-003 (EIA/JESD22-A115)
Latchup Current Maximum Rating:
≤150
mA per JEDEC standard: JESD78.
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics (Note 3)
Thermal Resistance, Junction-to-Air (Note 4)
Symbol
R
qJA
Value
277
Unit
°C/W
3. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area.
4. Values based on copper area of 645 mm
2
, 1 oz copper thickness.
OPERATING RANGES
(Note 5)
Rating
Operating Input Voltage (Note 6)
Output Current
Ambient Temperature
Symbol
V
in
I
out
T
A
Min
1.5
0
-40
Max
6
150
125
Unit
V
mA
°C
5. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area.
6. Minimum V
in
= 1.5 V or (V
out
+ V
DO
), whichever is higher.
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2
NCP629
ELECTRICAL CHARACTERISTICS
(V
in
= V
out
+ 0.5 V, C
in
= C
out
=1.0
mF,
for typical values T
A
= 25°C, for min/max values T
A
= -40°C to 125°C; unless otherwise noted.)
(Note 7)
Parameter
Regulator Output
Output Voltage
1.5 V
1.8 V
2.8 V
3.0 V
3.3 V
3.5 V
5.0 V
Power Supply Ripple Rejection (Note 8)
(V
in
= V
out
+ 1.0 V + 0.5 V
p-p
)
I
out
= 1.0 mA to 150 mA
V
in
= (V
out
+ 0.5 V) to 6.0 V
Vout
V
1.470
1.764
2.744
2.940
3.234
3.430
4.900
(-2%)
-
-
-
Regline
Regload
-
62
55
38
1.0
1.530
1.836
2.856
3.060
3.366
3.570
5.100
(+2%)
dB
-
-
-
10
mV
mV
-
-
-
-
300
-
-
-
2.0
2.0
2.0
50
550
150
125
75
20
25
30
-
800
225
175
125
mA
mA
-
-
-
-
-
135
140
145
175
10
170
175
180
-
-
°C
°C
mV
rms
mA
mV
Test Conditions
Symbol
Min
Typ
Max
Unit
I
out
= 1.0 mA to 150 mA
f = 120 Hz
f = 1.0 kHz
f = 10 kHz
V
in
= (V
out
+ 0.5 V) to 6.0 V,
I
out
= 1.0 mA
I
out
= 1.0 mA to 150 mA
PSRR
Line Regulation
Load Regulation
1.5 V
1.8 V
2.8 V to 5.0 V
Output Noise Voltage (Note 8)
Output Short Circuit Current
Dropout Voltage
1.5 V
1.8 V
2.8 V to 5.0 V
General
Disable Current
Ground Current
1.5 V
1.8 V to 3.0 V
3.3 V to 5.0 V
Thermal Shutdown Temperature (Note 8)
Thermal Shutdown Hysteresis (Note 8)
Chip Enable
ENABLE Input Threshold Voltage
Voltage Increasing, Logic High
Voltage Decreasing, Logic Low
Enable Input Bias Current (Note 8)
Timing
Output Turn On Time
1.5 V to 3.5 V
5.0 V
V
out
= 1.5 V,
f = 10 Hz to 100 kHz
Vout = 0 V
Measured at: V
out
– 2.0%
Iout = 150 mA
Vn
Isc
V
DO
ENABLE = 0 V, Vin = 6 V
-40°C
≤
T
A
≤
85°C
ENABLE = 0.9 V,
I
out
= 1.0 mA to 150 mA
IDIS
IGND
-
0.01
1.0
TSD
TSH
Vth(EN)
0.9
-
IEN
ENABLE = 0 V to V
in
t
on
-
-
15
30
25
50
-
-
-
3.0
-
0.4
100
V
nA
ms
7. Performance guaranteed over the indicated operating temperature range by design and/or characterization, production 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.
8. Values based on design and/or characterization.
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3
NCP629
TYPICAL CHARACTERISTICS
1.500
V
out
, OUTPUT VOLTAGE (V)
V
out
, OUTPUT VOLTAGE (V)
I
out
= 1.0 mA
1.500
I
out
= 1.0 mA
1.495
1.495
1.490
I
out
= 150 mA
1.490
I
out
= 150 mA
1.485
1.485
1.480
1.475
-40
1.480
1.475
-40
-15
10
35
60
85
110 125
-15
10
35
60
85
110 125
T
A,
AMBIENT TEMPERATURE (°C)
T
A,
AMBIENT TEMPERATURE (°C)
Figure 3. Output Voltage vs. Temperature
(1.5 V Fixed Output, V
in
= 2 V)
3.005
V
out
, OUTPUT VOLTAGE (V)
3.000
2.995
2.990
2.985
2.980
2.975
-40
V
out
, OUTPUT VOLTAGE (V)
I
out
= 1.0 mA
3.005
3.000
2.995
2.990
2.985
2.980
2.975
2.970
-40
Figure 4. Output Voltage vs. Temperature
(1.5 V Fixed Output, V
in
= 6 V)
I
out
= 1.0 mA
I
out
= 150 mA
I
out
= 150 mA
-15
10
35
60
85
110 125
-15
10
35
60
85
110 125
T
A,
AMBIENT TEMPERATURE (°C)
T
A,
AMBIENT TEMPERATURE (°C)
Figure 5. Output Voltage vs. Temperature
(3.0 V Fixed Output, V
in
= 3.5 V)
Figure 6. Output Voltage vs. Temperature
(3.0 V Fixed Output, V
in
= 6 V)
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