NCP690, NCP691, NCP692,
NCV8690
1 A, Low I
GND
, Very Low
Dropout Regulator (VLDO)
with/without Enable
The NCP690, NCP691, NCP692, NCV8690 CMOS LDO family
provides 1 A of output current with enhanced ESD in either fixed
voltage options or an adjustable output voltage from 5.0 V down to
1.25 V. This device is designed for space constrained and portable
battery powered applications and offer additional features such as high
PSRR, low Quiescent and Ground current consumption, low noise
operation, short circuit and thermal protection. The device is designed
to be used with low cost ceramic capacitors and is packaged in the
6−Lead DFN3x3 package.
Features
http://onsemi.com
DFN6 3x3
MN SUFFIX
CASE 506AH
1
MARKING DIAGRAM
1 xxxxzz
AYWW
G
Pb−Free
xxx
zz
A
Y
WW
G
= 690, 691, 692, V690
= 15, 18, 25, 33, 50, AD
= Assembly Location
= Year
= Work Week
= Pb−Free Package
•
Output Voltage Options: Adjustable, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
– Other Options Possible
Adjustable Output by External Resistors from 5.0 V down to 1.25 V
Guaranteed 1 A Output Current
±1.5%
Output Voltage Tolerance over All Operating Conditions
(Adjustable)
±2%
Output Voltage Tolerance over All Operating Conditions
(Fixed)
Typical Noise Voltage of 50
mVrms
without a Bypass Capacitor
Typical Dropout Voltage of 190 mV at 1 A (V
out
= 2.5 V, T
J
= 25°C)
Active Output Discharge
Active Low Enable Pin (NCP691 Device)
Active High Enable Pin (NCP692 device)
Enhanced ESD: 4 kV and 200 V
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
Laptops and PCI Cards
Modem Banks and Telecom Boards
DSP, FPGA, Microprocessor Boards
Portable, Battery−Power Applications
Hard Disk Drives
PIN ASSIGNMENT
GND
GND
SNS
GND
OUT
N/C
EN
ADJ
EN
OUT
IN
IN
1
GND
SNS
IN
OUT
GND
IN
1
GND
IN
OUT
ADJ
GND
IN
IN
1
NCP690, NCV8690
−
DFN6
Fixed Version
(Bottom View)
GND
N/C
IN
NCP691, NCP692
−
DFN6
Fixed Version
(Bottom View)
Applications
1
NCP690, NCV8690
−
DFN6
Adjustable Version
(Bottom View)
NCP691, NCP692
−
DFN6
Adjustable Version
(Bottom View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
©
Semiconductor Components Industries, LLC, 2014
August, 2014
−
Rev. 10
1
Publication Order Number:
NCP690/D
NCP690, NCP691, NCP692, NCV8690
V
IN
1,6
3
C
IN
1
mF**
4
5
C
OUT
1
mF**
V
OUT
IN
EN*
NCP692
GND
OUT
SNS
2, EPAD
Note: * NCP692 device has EN active high
Note:
** Minimum value required for stability
Figure 1. NCP692 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
V
IN
1,6
3
IN
EN*
NCP691
GND
OUT
SNS
4
5
V
OUT
C
IN
1
mF**
2, EPAD
C
OUT
1
mF**
Note: * NCP691 device has EN active low
Note:
** Minimum value required for stability
Figure 2. NCP691 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
V
IN
1,6
3
IN
N/C
NCP690
NCV8690
GND
OUT
SNS
4
5
V
OUT
C
IN
1
mF*
2, EPAD
C
OUT
1
mF*
Note: * Minimum value required for stability
Figure 3. NCP690, NCV8690 Typical Application Circuit for Fixed Version
(Output voltage versions: 1.5 V, 1.8 V, 2.5 V, 5.0 V)
V
IN
3.3 V
V
EN
C
IN
1
mF**
1,6
5
OUT
IN
NCP691−ADJ/
NCP692−ADJ
3
4
EN*
ADJ
GND
2, EPAD
V
OUT
2.5 V
R1
9.1 k
C
OUT
1
mF**
R2
9.1 k
Note: * NCP691−ADJ device has EN active low and
Note: *
NCP692−ADJ device has EN active high
Note:
** Minimum value required for stability
Figure 4. NCP692 Typical Application Circuit for Adjustable Version
(Adjustable version for 1.25 V < V
OUT
≤
5.0 V)
http://onsemi.com
2
NCP690, NCP691, NCP692, NCV8690
IN
R2
MOSFET
DRIVER WITH
CURRENT LIMIT
THERMAL
SHUTDOWN
SNS
R1
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
OUT
N/C
GND
Figure 5. NCP690, NCV8690 Block Diagram (Fixed Version)
IN
R2
MOSFET
DRIVER WITH
CURRENT LIMIT
R1
EN
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
OUT
SNS
GND
Figure 6. NCP691 Block Diagram (Fixed Version)
IN
R2
MOSFET
DRIVER WITH
CURRENT LIMIT
R1
EN
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
SNS
OUT
GND
Figure 7. NCP692 Block Diagram (Fixed Version)
Table 1. PIN FUNCTION DESCRIPTION FOR FIXED VERSION
Pin No.
1, 6
2
3
4
5
Pin Name
IN
GND
EN
OUT
SNS
Description
Voltage inputs which supplies the current to the regulator. Both of these pins should be connected
together for full output current capability
Power supply ground of the regulator. Connected to the die through the lead frame. Soldered to the
copper plane allows for effective heat removal.
For NCP691 and NCP692 this pin functions as Enable Active Low and Enable Active High respect-
ively. For NCP690/NCV8690 this pin has no special meaning and should be left disconnected.
Regulated output voltage
Sense input. This pin should be connected directly to OUT pin.
http://onsemi.com
3
NCP690, NCP691, NCP692, NCV8690
IN
OUT
MOSFET
DRIVER WITH
CURRENT LIMIT
ADJ
N/C
THERMAL
SHUTDOWN
ENABLE
LOGIC
BANDGAP
REFERENCE
ACTIVE
DISCHARGE
GND
Figure 8. NCP690, NCV8690 Block Diagram (Adjustable Version)
IN
OUT
MOSFET
DRIVER WITH
CURRENT LIMIT
THERMAL
SHUTDOWN
BANDGAP
REFERENCE
ADJ
EN
ENABLE
LOGIC
ACTIVE
DISCHARGE
GND
Figure 9. NCP691 Block Diagram (Adjustable Version)
IN
OUT
MOSFET
DRIVER WITH
CURRENT LIMIT
THERMAL
SHUTDOWN
BANDGAP
REFERENCE
ADJ
EN
ENABLE
LOGIC
ACTIVE
DISCHARGE
GND
Figure 10. NCP692 Block Diagram (Adjustable Version)
Table 2. PIN FUNCTION DESCRIPTION FOR ADJUSTABLE VERSION
Pin No.
1, 6
2
3
4
5
Pin Name
IN
GND
EN
ADJ
OUT
Description
Voltage inputs which supplies the current to the regulator. Both of these pins should be connected
together for full output current capability
Power supply ground of the regulator. Connected to the die through the lead frame. Soldered to the
copper plane allows for effective heat removal.
For NCP691 and NCP692 this pin functions as Enable Active Low and Enable Active High respect-
ively. For NCP690/NCV8690 this pin has no special meaning and should be left disconnected.
Feedback input. Connect to middle point of resistor divider for Adjustable version.
Regulated output voltage
http://onsemi.com
4
NCP690, NCP691, NCP692, NCV8690
Table 3. ABSOLUTE MAXIMUM RATINGS
Rating
Input Voltage (Note 1)
Chip Enable Voltage
Output Voltage
Output Voltage / Sense Input, (SNS pin)
Electrostatic Discharge
Human Body Model
Machine Model
Maximum Junction Temperature
Storage Temperature Range
T
J_MAX
T
STG
Symbol
V
IN
V
EN
V
OUT
V
SNS
ESD
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
_C
_C
Unit
V
V
V
V
V
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
NOTE: This device series contains ESD protection and exceeds the following tests:
ESD HBM tested per JEDEC standard: JESD22−A114
ESD MM tested per JEDEC standard: JESD22−A115
Latch–up Current Maximum Rating:
≤
150 mA per JEDEC standard: JESD78
Table 4. PACKAGE THERMAL CHARACTERISTICS
Rating
Thermal Resistance,
Junction−to−Ambient (Note 2)
DFN6 3x3, 1 oz Cu
DFN6 3x3, 2 oz Cu
Thermal Resistance, Junction−to−Pin
Condition
64 mm
2
Cu
645 mm
2
Cu
64 mm
2
Cu
645 mm
2
Cu
Symbol
R
qJA
R
qJA
R
qJL
Value
169
70
151
62
15
Unit
°C/W
°C/W
°C/W
Table 5. OPERATING RANGES
Rating
Operating Input Voltage (Notes 3 and 4)
Operating Junction Temperature Range
Symbol
V
IN
T
J
Value
1.5 to 6.0
−40
to 125
Unit
V
°C
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
1. Minimum V
IN
= (V
OUT
+ V
DO
) or 1.5 V, whichever is higher.
2. Soldered on FR4 copper area, please refer to Applications Section for Safe Operating Area.
3. Minimum V
IN
= (V
OUT
+ V
DO
) or 1.5 V, whichever is higher.
4. Refer to Electrical Characteristics and Application Information for Safe Operating Area.
http://onsemi.com
5
综合技术交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
