NCP5008, NCP5009
http://onsemi.com
5
POWER SUPPLY SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating Pin Symbol Min Typ Max Unit
Power Supply 10 V
bat
2.7 − 6.0 V
Power Supply Threshold Startup Voltage 10 V
batThr
− 2.3 2.7 V
Output Load Voltage Compliance 8 V
out
− − 15.0 V
Pulsed Current Regulation Range 8 I
out
0 − 400 mA
Continuous DC Current in the Load 8 I
out
− − 75 mA
Output Pulsed Current Tolerance @ V
bat
= 3.6 V, L1 = 22 mH/0.71 W,
R
ref
"1%, I
LED
= 20 mA (Note 1)
8 I
out
− "5.0 − %
Output Leakage @ LOCAL = 0, CS = H, Vout = 15 V, V
bat
= 6.0 V 8 I
out
− − 500 nA
Standby Current @ Iout = 0 mA, CS = H, CLK = H, V
bat
= V
BIAS
= 3.6 V 10 I
stdb
− 3.0 − mA
Standby Current @ Iout = 0 mA, CS = H, CLK = H, V
bat
= V
BIAS
= 6.0 V 10 I
stdb
− − 10 mA
Operating Current @ V
bat
= V
BIAS
= 3.6 V, I
ref
= 30 mA, CLK = H, CS = L,
LOCAL = Open
10 I
ope
− 600 −
mA
Boost Internal Oscillator Clock @ L1 = 22 mH, V
bat
= V
BIAS
= 3.6 V,
Iout = 20 mA (Vout = 14 V)
− F
osc
− 300 − kHz
1. The tolerance refers to the 20 mA to 70 mA current range.
DIGITAL SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating Pin Symbol Min Typ Max Unit
High Level Input Voltage (Note 2)
Low Level Input Voltage (Note 2)
Input Capacitance
3, 5 V
IH
V
IL
C
in
0.7*V
bat
−
−
−
−
10
V
bat
0.3*V
bat
−
V
V
pF
High Level Input Voltage (Note 2)
Low Level Input Voltage (Note 2)
Input Capacitance
6 V
IH
V
IL
C
in
−
−
−
0.6*V
bat
0.4*V
bat
10
−
−
−
V
V
pF
LOCAL Pullup Resistor 6 R
loc
20 − 80 kW
LOCAL Leakage Current 9 I
Loc
− − 100 nA
CS Pullup Resistor 3 R
cs
20 − 80 kW
Minimum CS Low Time 3 Tc s
setup
250 − − ns
Clock Frequency 5 F
CLK
− − 5.0 MHz
CLOCK tr and tf 5 tr
CLK
, tf
CLK
10 − − ns
Internal Register Clear − t
clear
10 30 − ns
Internal Power on Reset Width − t
POR
− 100 − ms
2. Digital inputs undershoot < − 0.30 V, Digital inputs overshoot < 0.30 V.
ANALOG SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.)
Rating Pin Symbol Min Typ Max Unit
Output Voltage Range Reference @ 2.5 mA < I
ref
< 65 mA (Note 3) 1 V
ref
1.20 1.24 1.28 V
Maximum Output Current Range Ratio 8 I
out
− 5595 − −
Minimum Output Current Range Ratio 8 I
out
− 1119 − −
Output Current Sense Resistor 10, 9 R
s
− 1.8 5.0 W
Output Voltage Range Reference @ 2.5 mA < Ipho < 65 mA 2 V
pho
1.20 1.24 1.28 V
Output Current Stabilization tdelay following a DC/DC startup 8 I
outdly
− 100 − ms
Internal NMOS Resistor @ V
bat
= 3.6 V 8 QR
DSON
− 2.2 3.0 W
Internal Comparator Delay Time − Td
comp
− 60 − ns
3. The overall tolerance depends upon the accuracy of the external resistor. Using a 1%/low PPM metal film resistor is recommended to achieve
"5% output current tolerance.