PIC9310 Datasheet, PDF (2/2 Pages) Power IC Ltd. – Async Boost with 600KHz switching

PIC9310
Async Boost with 600KHz switching
ELECTRICAL CHARACTERISTICS
(Typical values are at T_A = +25°C. V_BATT = 1.2V, V_OUT = 3.3V, V_OUT = V_OUT(NOM), SHDN = OUT, R_L = ∞, unless
otherwise noted.)
Parameter
Operating Input Voltage
Output Voltage variation
Minimum Startup Input
Voltage
Hold on Voltage
No Load Input Current
N-Channel
On-Resistance
Maximum oscillating freq
Duty ratio
Efficiency
Quiescent Current into OUT
(no switching)
Quiescent Current into OUT
Switch leakage
SHDN Voltage Threshold
SHDN Input Bias
current
LBI voltage threshold
LBI input hysteresis
LBI input current
LBO output low voltage
Symbol
V_IN
V_OUT
( Note 1 )
Conditions
I_OUT=1mA, V_IN:0 -> 2V
Min Typ Max Unit
5.5 V
3.224 3.307 3.389 V
0.86 0.92 V
I_OUT=1mA, V_IN:0 -> 2V
R_DS(ON)
I_OUT =0mA
Measured from SW pin voltage and
inductor current during SW on time
F_OSC
V_OUT forced = V_OUT (NOM) * 0.95
75
D_MAX
V_OUT forced = V_OUT (NOM) * 0.95
70
Eff
V_IN= V_OUT +0.5V (V_OUT pin) (Notes 2, 3)
0.7 V
10
µA
1.4
Ω
107 140 KHz
77
85 %
86
%
4.5
µA
V_OUT forced = V_OUT (NOM) * 0.95
VSW=5.5V,VIN= VOUT + 0.5V
V_IL
V_IH
V_SHDN = 5.5V
13
µA
1
nA
1.2
0.4 ^mV
1.1
nA
V_OUT forced = V_OUT (NOM)*1.05
V_OUT forced = V_OUT (NOM)*1.05
V_OUT forced = V_OUT (NOM)*1.05
Force 20mA into LBO
645 670 700 _mV
18
mV
0.02
nA
0.5
0.6
V
Note 1: Guaranteed with the addition of a Schottky MBR0520L external diode between LX and OUT when using the
PIC9310 with only one cell, and assumes a 0.3V voltage drop across the Schottky diode.
Note 2: Supply current is measured with an ammeter between the output and OUT pin. This current correlates Directly
with actual battery supply current, but is reduced in value according to the step-up ratio and efficiency.
Note 3: V_OUT forced to the following conditions to inhibit switching: V_OUT = 1.05 * V_OUT(NOM), V_OUT = 3.307V.
www.picsemi.com
Road-8, House-2/A, Baridhara Diplomatic Area, Dhaka-1212, Phone: [phone], Fax: [phone]
2