ncp1550 ON Semiconductor, ncp1550 Datasheet - Page 4

• Manufacturer Part Number: ncp1550
• Description: 600 Khz Pwm/pfm Stepdown Dcdc Controller
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
unless otherwise noted.)
CE (PIN 1)
Undervoltage Lockout
CE “H” Input Voltage
CE “L” Input Voltage
CE “H” Input Current (V
CE “L” Input Current (V
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
GND
V
CE
IN
IN
IN
C
= 5.0, V
IN
= V
CE
Characteristic
= 5.0 V)
CE
= 0 V)
(continued) (V
M
Figure 2. Typical Application Diagram
SD
IN
http://onsemi.com
= 5.0 V, T
NCP1550
4
V
CE
A
IN
= 25°C for typical value, −40°C v T
L
GND
V
Symbol
UVLO_HYS
V
V
V
I
I
UVLO
CEH
CEL
CEH
CEL
EXT
V
OUT
−0.5
−0.5
1.60
Min
1.3
−
−
A
C
OUT
v 85°C for min/max values
0.15
2.20
Typ
50
−
−
0
V
GND
OUT
Max
2.40
0.3
0.5
0.5
−
−
Unit
mV
mA
mA
V
V
V