NCP336, NCP337
http://onsemi.com
4
Table 4. ELECTRICAL CHARACTERISTIC Min & Max Limits apply for T
A
between −40°C to +85°C for V
IN
between 1.2 V to 5.5 V
(Unless otherwise noted). Typical values are referenced to T
A
= +25°C and V
IN
= 5 V (Unless otherwise noted).
Symbol
Parameter Conditions Min Typ Max Unit
POWER SWITCH
R
DSON
Static drain−source
on−state resistance
Vin = 5.5 V I = 1 A (Note 5) 20 22 mW
Vin = 4.5 V I = 500 mA (Note 5) 21 25
Vin = 3.3 V I = 500 mA (Note 5) 23 28
Vin = 2.5 V I = 500 mA (Note 5) 28 35
Vin = 1.8 V I = 250 mA (Note 5) 40 45
Vin = 1.2 V T
A
= 25°C, I = 200 mA 95 120
Rdis Output discharge path EN = low 70 90
W
V
IH
High−level input voltage 0.9
V
V
IL
Low−level input voltage 0.5
R
pd
EN pull down resistor 5
MW
QUIESCENT CURRENT
Istd
Standby current Vin = 4.2 V EN = low, No load 1
mA
Iq Quiescent current Vin = 4.2 V EN = high, No load 1
mA
TIMINGS
T
EN
Enable time
Vin = 3.6 V
(Note 6)
R
L
= 25 W, Cout = 1 mF
323 ms
T
R
Output rise time
R
L
= 25 W, Cout = 1 mF
810
T
ON
ON time (T
EN
+ T
R
)
R
L
= 25 W, Cout = 1 mF
1130
T
F
Output fall time
NCP337. R
L
= 25 W, Cout = 1 mF
42
5. Guaranteed by design and characterization
6. Parameters are guaranteed for C
LOAD
and R
LOAD
connected to the OUT pin with respect to the ground
TIMINGS
Figure 3. Enable, Rise and Fall Time
T
F
Vout
EN
Vin
T
DIS
T
OFF
T
R
T
EN
T
ON
