N1164 Datasheet, PDF (2/8 Pages) List of Unclassifed Manufacturers – 5 Bit Programmable Synchronous Buck Converter with Dual LDOs Controller

NIKO-SEM ^{5 Bit Programmable Synchronous Buck}
Converter with Dual LDOs Controller
N1164
ABSOLUTE MAXIMUM RATINGS
z V_CC to GND
- 0.3V to 7V
z BST to GND
z Thermal Resistance
Junction to Case, θ_JC
z Thermal Resistance
Junction to Ambient, θ_JA
-0.3V to 15V
25 °C/W
80 °C/W
z Operating Temperature
Range, T_A
z Operating Junction
Temperature Range, T_J
z Storage Temperature
Range, T_STG
z Lead Temperature, T_LEAD
(Soldering, 10 Seconds)
0 to 70 °C
0 to 125 °C
-65 to 150 °C
300 °C
ELECTRICAL SPECIFICATIONS
<Unless specified: VCC = 4.75V ~ 5.25V, GND = PGND = 0V, VOSENSE = VO , 0mV < (CS⁺ - CS^-) < 60mV, LDOV = 11.4V ~ 12.6V, TA = 25°C>
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
SWITCHING SECTION
Supply Voltage
Supply Current
Output Voltage
Load Regulation
Line Regulation
V_CC
V_CC = 5.0V
I_O = 2A
I_O = 0.3A to 15A
All VID Codes
4.5
7
V
8 15 mA
See Table 1.
1
%
0.5
%
Gain (A_OL)
Current Limit Voltage
V_OSENSE to V_O
35
dB
55 70 85 mV
Oscillator Frequency
175 200 225 KHz
Oscillator Max Duty Cycle
90 95
%
Peak DH Sink/Source Current ^{BSTH - DH = 4.5V, DH - PGNDH = 2V} 1
A
Peak DL Sink/Source Current ^{BSTL - DL = 4.5V, DL - PGNDL = 2V} 1
A
OVP Threshold Voltage
120
%
OVP Source Current
V_OVP = 3.0V
Power-Good Threshold Voltage
10
mA
85
115 %
Dead Time
100 200
nS
LINEAR SECTIONS
Quiescent Current
LDOV = 12V
5 mA
Output Voltage (LDO1)
2.45 2.500 2.55 V
Output Voltage (LDO2)
1.47 1.500 1.53 V
Load Regulation
Line Regulation
I_O = 0 to 8A
1
%
1
%
Output Impedance
1
KΩ
2
AUG-03-2001