LM3420-42 Datasheet, PDF (4/17 Pages) National Semiconductor (TI) – Lithium-Ion Battery Charge Controller

LM3420-8.2
Electrical Characteristics
t^Su^pr^ee^cR^ifia^cn^atg^ioe^{n. sUwnliethssstoatnhdearwrdisteypsepefaccifeieda,reVf(oINr} )T=^J
= 25˚C, and
V_REG, V_OUT
those with
= 1.5V.
boldface
type
apply
over
full
Operating
Tempera-
Symbol
Parameter
Conditions
Typical LM3420A-8.2 LM3420-8.2
Units
(Note 4)
Limit
Limit
(Limits)
(Note 5)
(Note 5)
V_REG
Regulation Voltage I_OUT = 1 mA
8.2
V
8.241/8.282 8.282/8.364
V(max)
8.159/8.118 8.118/8.036
V(min)
Regulation Voltage
Tolerance
I_OUT = 1 mA
±0.5/±1
±1/±2
%(max)
I_q
Quiescent Current I_OUT = 1 mA
85
µA
110/115
125/150
µA(max)
G_m
A_V
V_SAT
I_L
R_f
Transconductance
∆I_OUT/∆V_REG
Voltage Gain
∆V_OUT/∆V_REG
Output Saturation
(Note 7)
Output Leakage
Current
Internal Feedback
Resistor (Note 8)
20 µA ≤ I_OUT ≤ 1 mA
V_OUT = 6V
1 mA ≤ I_OUT ≤ 15 mA
V_OUT = 6V
1V ≤ V_OUT ≤ V_REG − 1.2V (−1.3)
R_L = 470Ω (Note 6)
1V ≤ V_OUT ≤ V_REG − 1.2V (−1.3)
R_L = 5 kΩ
V(IN) = V_REG +100 mV
I_OUT = 15 mA
V(IN) = V_REG −100 mV
V_OUT = 0V
3.3
6.0
1000
3500
1.0
0.1
176
1.3/0.75
3.0/1.5
550/250
1500/900
1.2/1.3
0.5/1.0
220
1.0/0.50
2.5/1.4
450/200
1000/700
1.2/1.3
0.5/1.0
220
mA/mV
mA/mV(min)
mA/mV
mA/mV(min)
V/V
V/V(min)
V/V
V/V(min)
V
V(max)
µA
µA(max)
kΩ
kΩ(max)
132
132
kΩ(min)
E_n
Output Noise
Voltage
I_OUT = 1 mA, 10 Hz ≤ f ≤ 10 kHz
140
µV_RMS
LM3420-8.4
Electrical Characteristics
Specifications with standard type face are for T_J = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range. Unless otherwise specified, V(IN) = V_REG, V_OUT = 1.5V.
Symbol
Parameter
Conditions
Typical LM3420A-8.4 LM3420-8.4
Units
(Note 4)
Limit
Limit
(Limits)
(Note 5)
(Note 5)
V_REG
Regulation Voltage I_OUT = 1 mA
8.4
V
8.442/8.484 8.484/8.568
V(max)
8.358/8.316 8.316/8.232
V(min)
Regulation Voltage
Tolerance
I_OUT = 1 mA
±0.5/±1
±1/±2
%(max)
I_q
Quiescent Current I_OUT = 1 mA
85
µA
110/115
125/150
µA(max)
G_m
Transconductance 20 µA ≤ I_OUT ≤ 1 mA
∆I_OUT/∆V_REG
V_OUT = 6V
1 mA ≤ I_OUT ≤ 15 mA
V_OUT = 6V
3.3
mA/mV
1.3/0.75
1.0/0.50
mA/mV(min)
6.0
mA/mV
3.0/1.5
2.5/1.4
mA/mV(min)
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