ncp5215 ON Semiconductor, ncp5215 Datasheet - Page 6

• Manufacturer Part Number: ncp5215
• Description: Dual Synchronous Buck Controller For Notebook
• Manufacturer: ON Semiconductor

4. Guaranteed by design, not tested in production.
THERMAL SHUTDOWN
ELECTRICAL CHARACTERISTICS
otherwise noted)
OSCILLATOR
SOFT-START
SWITCHING REGULATORS
GATE DRIVERS
DIFFERENTIAL CURRENT ERROR AMPLIFIER
Thermal Shutdown
Thermal Shutdown Hysteresis
Operation Frequency
Soft-Start Source Current
Soft-Start Complete Threshold
Main Ramp Amplitude Voltage
Maximum Duty Cycle
TG Gate Pull-HIGH Resistance
TG Gate Pull-LOW Resistance
BG Gate Pull-HIGH Resistance
BG Gate Pull-LOW Resistance
Input Bias Current
CS+ to CS- Input Signal Range
Output Voltage Swing
Offset Current at VDRP
[(CS+)-(CS-)] to VDRP Gain
Internal Droop Resistance
Characteristic
(continued) (V
((V_VDRP-Vref)/
R
R
R
R
((CS+)-(CS-)))
H_BG1
H_TG1
L_BG1
L_TG1
Ioffset_DRP
VCS_MAX
VOS_DRP
Gain_CS
Symbol
Tsdhys
CS-IIB
Vramp
V
Dmax
R
Fsw
Tsd
I
SSTh
DRP
SS
, R
, R
, R
, R
CC
H_TG2
L_TG2
H_BG2
L_BG2
http://onsemi.com
= 5.0 V, V
NCP5215
(Note 4)
(Note 4)
(Note 4)
(Note 4)
FSET pin open loop (T
Pull high FSET pin (T
(T
Pull low FSET pin (T
V
V
V
V
V
V
V
V
Refer to AGND
(CS+)-(CS-) = 0 V, no connection
(CS+)-(CS-) = 20 mV
From V
V
V
from VDRP pin to VREF
6
IN
IN
IN
IN
BST
BST
CCP
CCP
A
TG
TG
IN
= -40°C to 85°C)
= 5.0 V (Note 4)
= 5.0 V
= 12 V
= 24 V
-V
-V
-V
-V
= 12 V, F
= 5.0 V, V
= 5.0 V, V
DRP
Test Conditions
SWN
SWN
SWN
SWN
to V
= 5.0 V,
= 5.0 V,
= 4.0 V
= 1.0 V
SET
-
-
BG
BG
REF
= 5.0 V, Fsw = 300 kHz, T
= 4.0 V
= 1.0 V
A
A
= 25°C)
A
= 25°C)
= 25°C)
262.5
-200
-1.0
2.35
Min
160
255
340
3.0
0.6
2.4
-
-
-
-
-
-
-
-
-
-
-
-
A
= -40°C to 85°C, unless
1.25
2.65
Typ
150
200
300
400
4.0
0.9
1.5
1.5
1.5
0.5
2.6
30
92
48
27
-
-
-
-
-
337.5
Max
2.85
240
345
460
200
5.0
4.0
4.0
4.0
1.5
3.0
1.0
1.0
2.9
-
-
-
-
-
-
-
Unit
kHz
kHz
kHz
V/V
kW
mA
nA
mA
°C
°C
%
%
%
W
W
W
W
V
V
V
V