파트넘버.co.kr NR132A 데이터시트 PDF


NR132A 반도체 회로 부품 판매점

Ultra light load high efficiency Buck Regulator IC



SANKEN 로고
SANKEN
NR132A 데이터시트, 핀배열, 회로
Ultra light load high efficiency,VIN=17V,Current mode Step-down Io=3A Buck Regulator IC
NR130A series
Tentative
Sep/10/2013
General Descriptions
The NR130A series is buck regulator ICs integrates
High-side power MOSFETs. With the current mode
control, ultra low ESR capacitors such as ceramic
capacitors can be used. The ICs can realize super-high
efficiency by performing pulse skip operation at light
load condition. The ICs have protection functions such as
Over-Current Protection (OCP), Under-Voltage Lockout
(UVLO) and Thermal Shutdown (TSD). Soft starting
time can be set up by selecting an external capacitor
value. The ON/OFF pin (EN Pin) turns the regulator on
or off and helps to achieve low power consumption
requirements. The NR130A series is available in an 8-pin
eSOIC package with an exposed thermal pad on the back
side.
Package
eSOIC8(HSOP8)
Features & Benefits
Current mode PWM control
Up to 94% efficiency at normal load condition
Up to 85% efficiency at light load condition
Stable with low ESR ceramic output capacitors
Built-in protection function
Over Current Protection (OCP)
Thermal Shutdown (TSD)
Under Voltage Lockout (UVLO)
Built-in phase compensation
Adjustable Soft-Start with an external capacitor
Turn ON/OF the regulator function
Programable Pulse-Skip operation
Electrical Characteristics
3A Continuous output current
Operating input range VIN = 4.5V17V
Output adjustable VO = 0.8V14V
Fixed 350kHz frequency
Applications
LCD TV / Blu-Ray / Set top box
Green Electronic products
Other power supply
Typical Application Circuit
NR131A
For NR131A
C1, C2: 10μF / 25V, C4, C5: 22μF / 16V, C7: 0.1μF, C9:1800pF, C11: 220pF(Option), R1: 510kΩ , R3: 10Ω, R4: 36 kΩ, R5: 27kΩ
(VO=5.0V), R6: 12kΩ, R7:510kΩ(Option), D1: SJPJ-L4, L1: 10μH
Rev.1.1
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
1
http://www.Datasheet4U.com


NR132A 데이터시트, 핀배열, 회로
Ultra light load high efficiency,VIN=17V,Current mode Step-down Io=3A Buck Regulator IC
NR130A series
Tentative
Sep/10/2013
NR132A
For NR132A
C1, C2: 10μF / 25V, C4, C5: 22μF / 16V, C7: 0.1μF, C9:1800pF, C11: 220pF(Option), R1: 510kΩ , R3: 10Ω, R4: 36 kΩ, R5: 27kΩ
(VO=5.0V), R6: 12kΩ, R7:510kΩ(Option), D1: SJPJ-L4, L1: 10μH
Series Lineup
Product
Name
fSW
VIN
VO
IO
Pin No.1
Function
Package
NR131A
NR132A
350kHz
4.5V to (1)
17V
0.8V to
14V
(2) 3A
NC
COMP
eSOIC8
(1) The minimum input voltage shall be either of 4.5V or VO+3V, whichever is higher.
(2) The I/O condition limited by the Minimum on-time (TON(MIN)).
Absolute Maximum Ratings
Parameter
Symbol Ratings
Units
Conditions
DC input voltage
BS terminal voltage
SW terminal voltage
FB terminal voltage
EN terminal voltage
SS terminal voltage
VIN 19
VBS 24.5
VSW 19
VFB 5.5
VEN 19
VSS 7.4
V
V
V
V
V
V
SS terminal allowable input current
Power dissipation
Junction temperature
Storage temperature
Thermal resistance
(junction- Pin No. 4)
Thermal resistance
(junction-ambient air)
Issb 5
mA
(3) PD1
TBD
(4) TJ 40 ~ 150
Glass-epoxy board mounting
W
in a 30×30mm.
(copper area in a 25×25mm)
Max TJ =150°C
°C
TS 40 ~ 150
°C
θJP
TBD
°C /W
Glass-epoxy board mounting
θJA
TBD
°C /W in a 30×30mm.
(copper area in a 25×25mm)
Rev.1.1
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
2




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NR132A

Ultra light load high efficiency Buck Regulator IC - SANKEN