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NCP690MNADT2GEVB

P1-P3P4-P6P7-P9P10-P12P13-P15
NCP690, NCP691, NCP692, NCV8690
http://onsemi.com
4
Figure 8. NCP690, NCV8690 Block Diagram (Adjustable Version)
Figure 9. NCP691 Block Diagram (Adjustable Version)
BANDGAP
REFERENCE
ENABLE
MOSFET
DRIVER WITH
CURRENT LIMIT
ADJ
OUT
EN
IN
GND
THERMAL
SHUTDOWN
ACTIVE
DISCHARGE
LOGIC
BANDGAP
REFERENCE
ENABLE
MOSFET
DRIVER WITH
CURRENT LIMIT
ADJ
OUT
N/C
IN
GND
THERMAL
SHUTDOWN
ACTIVE
DISCHARGE
LOGIC
Figure 10. NCP692 Block Diagram (Adjustable Version)
BANDGAP
REFERENCE
ENABLE
MOSFET
DRIVER WITH
CURRENT LIMIT
ADJ
OUT
EN
IN
GND
THERMAL
SHUTDOWN
ACTIVE
DISCHARGE
LOGIC
Table 2. PIN FUNCTION DESCRIPTION FOR ADJUSTABLE VERSION
Pin No. Pin Name Description
1, 6 IN Voltage inputs which supplies the current to the regulator. Both of these pins should be connected
together for full output current capability
2 GND Power supply ground of the regulator. Connected to the die through the lead frame. Soldered to the
copper plane allows for effective heat removal.
3 EN 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.
4 ADJ Feedback input. Connect to middle point of resistor divider for Adjustable version.
5 OUT Regulated output voltage
NCP690, NCP691, NCP692, NCV8690
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5
Table 3. ABSOLUTE MAXIMUM RATINGS
Rating Symbol Value Unit
Input Voltage (Note 1) V
IN
−0.3 to 6.5 V
Chip Enable Voltage V
EN
−0.3 to 6.5 V
Output Voltage V
OUT
−0.3 to 6.5 V
Output Voltage / Sense Input, (SNS pin) V
SNS
−0.3 to 6.5 V
Electrostatic Discharge
Human Body Model
ESD
4000
V
Machine Model 200
Maximum Junction Temperature T
J_MAX
150
_C
Storage Temperature Range T
STG
−65 to 150
_C
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 Condition Symbol Value Unit
Thermal Resistance,
Junction−to−Ambient (Note 2)
DFN6 3x3, 1 oz Cu 64 mm
2
Cu
645 mm
2
Cu
R
q
JA
169
70
°C/W
DFN6 3x3, 2 oz Cu 64 mm
2
Cu
645 mm
2
Cu
R
q
JA
151
62
°C/W
Thermal Resistance, Junction−to−Pin
R
q
JL
15
°C/W
Table 5. OPERATING RANGES
Rating Symbol Value Unit
Operating Input Voltage (Notes 3 and 4) V
IN
1.5 to 6.0 V
Operating Junction Temperature Range T
J
−40 to 125 °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.
NCP690, NCP691, NCP692, NCV8690
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6
Table 6. ELECTRICAL CHARACTERISTICS V
IN
= (V
OUT
+ 1 V), V
EN
= V
IN
, I
OUT
= 1 mA, C
IN
= 10 mF, C
OUT
= 10 mF, for typical
values T
J
= 25°C, for Min/Max values T
J
= −40°C to 125°C; unless otherwise noted. (Note 5)
Parameter
Test Conditions Symbol Min Typ Max Unit
Output voltage
(Adjustable Version)
V
IN
= 1.75 V to 6.0 V
I
OUT
= 100 mA to 1 A
V
OUT
1.231
(−1.5%)
1.250 1.269
(+1.5%)
V
Output voltage (Fixed Version) V
IN
= (V
OUT
+ 1 V) to 6.0 V
I
OUT
= 100 mA to 1 A
V
OUT
= 1.5 V
V
OUT
= 1.8 V
V
OUT
= 2.5 V
V
OUT
= 3.3 V
V
OUT
= 5.0 V
V
OUT
1.470
1.764
2.450
3.234
4.900
(−2%)
1.5
1.8
2.5
3.3
5.0
1.530
1.836
2.550
3.366
5.100
(+2%)
V
Line regulation V
IN
= (V
OUT
+ 1 V) to 6.0 V Reg
LINE
− 3.2 8 mV
Load regulation
I
OUT
= 100 mA to 1 A
V
OUT
= 1.5 V
V
OUT
= 1.8 V
V
OUT
= 2.5 V
V
OUT
= 3.3 V
V
OUT
= 5.0 V
Reg
LOAD
−
−
−
−
−
10
10
10
10
10
30
30
35
35
40
mV
Dropout voltage
(Adjustable Version, Note 6)
V
DO
= V
IN
− V
OUT
V
OUT
= 1.25 V
I
OUT
= 1 A
V
DO
− 450 470 mV
Dropout voltage
(Fixed Version, Note 9)
I
OUT
= 1 A V
OUT
= 1.5 V
V
OUT
= 1.8 V
V
OUT
= 2.5 V
V
OUT
= 3.3 V
V
OUT
= 5.0 V
V
DO
−
−
−
−
−
290
240
190
180
120
410
380
300
250
210
mV
Ground current
V
IN
= V
OUT
+ 1 V,
V
OUT
= 1.5 V, 1.8 V,
2.5 V, 3.3 V
I
OUT
= 1 A
I
OUT
= 10 mA
I
OUT
= 100 mA
I
GND
−
−
−
145
145
145
200
200
200
mA
V
IN
= V
OUT
+ 1 V,
V
OUT
= 5.0 V
I
OUT
= 1 A
I
OUT
= 10 mA
I
OUT
= 100 mA
−
−
−
145
145
145
240
240
240
mA
Disable current (NCP692 only,
Notes 5 and 7)
V
EN
< 0.4 V I
DIS
− 0.1 1
mA
Output Current Limit V
IN
= V
OUT
+ 1 V, V
OUT
= 85% V
OUT_NOM
I
LIM
1.1 1.6 2.4 A
Short Circuit Current V
OUT
= 0 V I
SC
1.2 − − A
Enable High Level Threshold
Enable Low Level Threshold
(NCP691 and NCP692)
V
EN
increasing from low to high logic level
V
EN
decreasing from high to low logic level
V
EN_
HI
V
EN_
LO
0.9
−
−
−
−
0.4
V
Enable Input Current
(Enable Active Low)
(NCP691 only, Note 8)
V
EN
= 0.9 V to V
IN
I
EN_HI
− 0.01 250 nA
Enable Input Current
(NCP692 only, Note 8)
V
EN
= 0 V I
EN_LO
− 0.01 100 nA
Feedback Current V
FB
= 1.25 (Adjustable version only) I
IFB
− 210 320 nA
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
5. 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.
6. Maximum dropout voltage is limited by minimum input voltage. V
IN
= 1.7 V recommended for guaranteed operation at maximum output
current.
7. Refer to the Applications Information Section.
8. Values based on design and/or characterization.
9. Dropout voltage is defined as the differential voltage between V
OUT
and V
IN
, when V
OUT
drops 100 mV below its nominal value.
P1-P3P4-P6P7-P9P10-P12P13-P15

NCP690MNADT2GEVB

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