NCP6915
http://onsemi.com
3
Table 1. PIN OUT DESCRIPTION
Pin Name Type Description
POWER
B1
VIN1 Power Input
Analog Supply. This pin is the device analog, digital and LDO 1, 2 & 3 supply. A 1.0 mF ceramic
capacitor or larger must bypass this input to ground. This capacitor should be placed as close a
possible to this pin.
C2 VBG Analog Input
Reference Voltage. A 0.1 mF ceramic capacitor must bypass this pin to the ground
C1 AGND Analog
Ground
Analog Ground. Analog and digital modules ground. Must be connected to the system ground.
CONTROL AND SERIAL INTERFACE
B3
HWEN Digital Input Hardware Enable. Active high will enable the part; there is internal pull down resistor on this pin.
B2 SCL Digital Input I
2
C interface Clock
C3 SDA Digital
Input/Output
I
2
C interface Data
DCDC CONVERTER
A4
PVIN Power Input
DCDC Power Supply. This pin must be decoupled to ground by a 2.2 mF ceramic capacitor. This
capacitor should be placed as close a possible to this pin.
B4 SW Power Output DCDC Switch Power pin connects power transistors to one end of the inductor. Typical
application uses 1.0 mH inductor; refer to application section for more information.
A3 FB Analog Input DCDC Feedback Voltage. Must be connected to the output capacitor. This is the input to the error
amplifier.
C4 PGND Power
Ground
DCDC Power Ground. This pin is the power ground and carries the high switching current. High
quality ground must be provided to prevent noise spikes. To avoid high−density current flow in a
limited PCB track, a local ground plane is recommended.
LDO REGULATORS
B1
VIN1 Power Input LDO 1,2 & 3 Power and Core supply (see Power table)
D3 VIN2 Power Input
LDO 4&5 Power Supply This pin requires a 1 mF decoupling capacitor.
A2 VOUT1 Power Output
LDO 1 Output Power. This pin requires a 1 mF decoupling capacitor.
A1 VOUT2 Power Output
LDO 2 Output Power. This pin requires a 1 mF decoupling capacitor.
D1 VOUT3 Power Output
LDO 3 Output Power. This pin requires a 1 mF decoupling capacitor.
D2 VOUT4 Power Output
LDO 4 Output Power. This pin requires a 1 mF decoupling capacitor.
D4 VOUT5 Power Output
LDO 5 Output Power. This pin requires a 1 mF decoupling capacitor.
Table 2. MAXIMUM RATINGS
Rating
Symbol Value Unit
Analog and power pins: AVIN, PVIN, SW, VIN1, VIN2, VOUT1, VOUT2, VOUT3,
VOUT4, VOUT5, FB, VBG Pins
V
A
−0.3 to +6.0 V
Digital pins: SCL, SDA, HWEN Pin:
Input Voltage
Input Current
V
DG
I
DG
−0.3 to V
A
+0.3 ≤ 6.0
10
V
mA
Storage Temperature Range T
STG
−65 to + 150 °C
Maximum Junction Temperature T
JMAX
−40 to +150 °C
Moisture Sensitivity (Note 1) MSL Level 1
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.
1. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J−STD−020A.
