NC2600 series
Datasheet
2A Low Quiescent Current PWM/PFM Step-down Switching Regulator
- 1 -
Ver.1.1
FEATURES GENERAL DESCRIPTION
Input Voltage Range (Maximum Rating):
2.3 V to 5.5 V (6.5 V)
Operating Temperature Range: −40 °C to 85 °C
Output Voltage Range:
Fixed Output Voltage Type: 0.6 V to 3.3 V
Adjustable Output Voltage Type: 0.6 V to 5.5 V
Output Voltage Accuracy: ±1.5% (V
SET
≥ 1.2 V)
±18 mV (V
SET
< 1.2 V)
Feedback Voltage Accuracy: ±9 mV
Quiescent Current: Typ. 17 µA
Switching Frequency: Typ.4.0 MHz (V
SET
= 1.8 V)
UVLO Detection Voltage: Typ.2.0 V
Soft-Start Time: Typ. 0.15 ms When CSS is open.
Thermal Shutdown Function:
Detection Temperature Typ. 150 °C
Release Temperature Typ. 120 °C
Auto Discharge Function
Latch Protection Function
2A step-down switching regulator IC using CMOS-
based.
The NC2600 is available in WLCSP-8-P11 and
DFN2020-8-GT, and it is suitable for use in wearable
and IoT devices that require miniaturization and long-
APPLICATIONS
Portable Communication Devices: Mobile Phones /
Smartphones
Digital Cameras and Note-PCs
Li-ion Battery-used Equipment
TYPICAL APPLICATIONS EFFICIENCY TYPICAL CHARACTERISTICS
VIN
SW
FB
CSS
GND
PG
MODE
EN
L
1 μH
R
PG
100 kΩ
C
SS
0.1 μF
V
IN
C
IN
4.7 μF
C
OUT
10
μF
V
OUT
NC2600xxxxx
A/B/C/D
V
PG
Fixed Output Voltage Type
VIN
SW
FB
CSS
GND
PG
MODE
EN
R
11
220 kΩ
R
2
220 kΩ
L
1 μH
C
1
10 pF
R
PG
100 kΩ
C
SS
0.1 μF
V
IN
C
IN
4.7 μF
C
OUT
10 μF
V
OUT
R
12
220 kΩ
NC2600xx000
A/B/C/D
R
0
1 kΩ
V
PG
Adjustable Output Voltage Type (V
SET
= 1.8V)
NC2600ZA
V
OUT
= 1.8 [V]
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1 10
100
1000 10000
Efficiency [%]
Output Current I
OUT
[mA]
Vin=2.5V
Vin=3.6V
Vin=4.2V
Vin=5.0V
MODE=Low
MODE=High
V
IN
= 2.5 [V]
V
IN
= 3.6 [V]
V
IN
= 4.2 [V]
V
IN
= 5.0 [V]
WLCSP-8-P11
1.62 x 0.98 x 0.4 (mm)
DFN2020-8-GT
2.0 x 2.0 x 0.6 (mm)
(Under Development)
Datasheet
NC2600 series
- 2 -
Ver.1.1
PRODUCT NAME INFORMATION
NC2600
aa
bbb
c
dd
e
Description of configuration
Composition
Item
Description
aa Package Code Indicates the package. Refer to the order information.
bbb Output Voltage
Set Output Voltage (V
SET
)
Adjustable Output Voltage Type (000)
The internal fixed output voltage type has a lineup of main voltages in the range of
0.6 V (060) to 3.3 V (330).
c Version Indicates the selection of auto discharge function and latch protection function.
dd Packing Refer to the packing specifications.
e Grade Indicates the quality grade.
Version
c
Latch Protection Function
Auto Discharge Function
A Yes Yes
B Yes No
C No Yes
D No No
Grade
e
Applications
Operating Temperature Range
Test Temperature
S
Consumer
−40 °C to 85 °C
25 °C
ORDER INFORMATION
PRODUCT NAME PACKAGE RoHS
HALOGEN-
FREE
PLATING
COMPOSITION
MARKING
WEIGHT
(mg)
Quantity per
Reel(pcs)
NC2600ZA bbbc E2S WLCSP-8-P11 Yes Yes Sn3Ag0.5Cu Reference 1.1 5000
NC2600GT bbbc E4S* DFN2020-8-GT Yes Yes Sn Reference TBD 3000
*NC2600GT is under development.
Click here for details.