TPS2320IDRG4 Datasheet, PDF (6/26 Pages) Texas Instruments – DUAL HOT SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER

TPS2320
TPS2321
SLVS276F – MARCH 2000 – REVISED JULY 2013
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ELECTRICAL CHARACTERISTICS (Continued)
over recommended operating temperature range (–40°C < T_A < 85°C), 3V ≤ V_I(IN1) ≤13V, 3V ≤ V_I(IN2) ≤ 5.5V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
TIMER
V_{(TO_TIMER)}
Threshold voltage, TIMER
Charge current, TIMER
Discharge current, TIMER
CIRCUIT BREAKER
V_I(TIMER) = 0 V
V_I(TIMER) = 1 V
0.4 0.5 0.6 V
35 50 65 µA
1 2.5
mA
V_IT(CB)
Threshold voltage, circuit breaker
I_{(IB_ISENSEx)}
Input bias current, I_SENSEx
Discharge current, GATEx
t_pd(CB)
Propagation (delay) time,
comparator inputs to gate output
ENABLE, ACTIVE LOW (TPS2320)
R_ISETx = 1 kΩ
R_ISETx = 400 Ω, T_A = 25°C
R_ISETx = 1 kΩ, T_A = 25°C
R_ISETx = 1.5 kΩ, T_A = 25°C
V_O(GATEx) = 4 V
V_O(GATEx) = 1 V
C_g = 50 pF,
(50% to 10%),
10 mV overdrive,
C_TIMER = 50 pF
40 50 60
14 19 24
mV
44 50 53
68 73 78
0.1
5 µA
400 800
mA
25 150
1.3
µs
V_IH(ENABLE)
V_IL(ENABLE)
R_I(ENABLE)
t_{d(off_ENABLE)}
High-level input voltage, ENABLE
Low-level input voltage, ENABLE
Input pullup resistance, ENABLE
Turnoff delay time, ENABLE
See ⁽¹⁾
V_I(ENABLE) increasing above stop threshold;
100 ns rise time, 20 mV overdrive⁽²⁾
2
V
0.8 V
100 200 300 kΩ
60
μs
t_{d(on_ENABLE)}
Turnon delay time, ENABLE
V_I(ENABLE) decreasing below start threshold;
100 ns fall time, 20 mV overdrive⁽²⁾
125
μs
ENABLE, ACTIVE HIGH (TPS2321)
V_IH(ENABLE)
V_IL(ENABLE)
R_I(ENABLE)
t_{d(on_ENABLE)}
High-level input voltage, ENABLE
Low-level input voltage, ENABLE
Input pulldown resistance, ENABLE
Turnon delay time, ENABLE
V_I(ENABLE) increasing above start threshold;
100 ns rise time, 20 mV overdrive⁽²⁾
2
V
0.7 V
100 150 300 kΩ
85
μs
t_{d(off_ENABLE)}
Turnoff delay time, ENABLE
V_I(ENABLE) decreasing below stop threshold;
100 ns fall time, 20 mV overdrive ⁽²⁾
100
µs
PREREG
V_(VREG)
V_{(drop_PREREG)}
PREREG output voltage
PREREG dropout voltage
4.5 ≤ V_I(IN1) ≤ 13 V
V_I(IN1) = 3 V
3.5 4.1 5.5 V
0.1 V
1V
(1)
(2)
Test I_O of ENABLE at V_I(ENABLE) = 1 V and 0 V, then R_I(ENABLE) =
Specified, but not production tested.
I_{O_0V} * I_{O_1V}
6
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