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ZHCSL91B October 2020 – March 2022 TPS25947

PRODUCTION DATA

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机械数据 (封装 | 引脚)

RPW|10
- MPQF568

散热焊盘机械数据 (封装 | 引脚)

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7.8 Typical Characteristics

Figure 7-2 ON-Resistance vs Supply Voltage

Figure 7-4 IN Quiescent Current vs Temperature (TPS259470x, TPS2594704x Variants)

Figure 7-6 IN OFF State (UVLO) Current vs Temperature

Figure 7-8 IN Undervoltage Threshold vs Temperature

Figure 7-10 EN/UVLO Falling Threshold vs Temperature

Figure 7-12 OVLO Rising Threshold vs Temperature

Figure 7-14 Overcurrent Threshold vs ILM Resistor

Figure 7-16 Analog Current Monitor Gain Accuracy

Figure 7-18 Steady State Fixed Fast-Trip Current Threshold vs Temperature

Figure 7-20 RCB - Reverse Comparator Threshold vs Temperature

Figure 7-22 OUT Leakage Current During ON-State Reverse Current Blocking

Figure 7-24 OVC Threshold vs Temperature

Figure 7-26 OVC Clamping Voltage (OVCSEL = GND) vs Load Current

Figure 7-28 ITIMER Discharge Differential Voltage Threshold vs Temperature

Figure 7-30 ITIMER Internal Pullup Resistance vs Temperature

Figure 7-32 DVDT Charging Current vs Temperature

Figure 7-34 PG Low Voltage Without Input Supply vs Temperature

Figure 7-36 Time to Thermal Shut-Down During Inrush State

V_IN = 12 V, C_OUT = 30 μF, C_dVdt = Open, V_EN/UVLO stepped up to 1.4 V

Figure 7-38 Start-Up with Enable

C_OUT = 220 μF, C_dVdt = 10 nF, EN/UVLO connected to IN through resistor ladder, 12 V hot-plugged to IN

Figure 7-40 Input Hot-Plug

V_IN = 12 V, C_OUT = 470 μF, R_OUT = 5 Ω, C_dVdt = 3300 pF, V_EN/UVLO stepped up to 1.4 V

Figure 7-42 Inrush Current with Resistive and Capacitive Load

C_OUT = 220 μF, PG pulled up to 3 V, V_IN ramped down from 0 V to -15 V and then ramped up to 0 V

Figure 7-44 Input Reverse Polarity Protection - Slow Ramp

R_OVCSEL = GND, C_OUT = 220 μF, I_OUT = 120 mA, V_IN ramped up from 3.3 V to 6 V

Figure 7-46 Overvoltage Clamp Response - TPS259472x

R_OVCSEL = 390 kΩ, C_OUT = 220 μF, I_OUT = 300 mA, V_IN ramped up from 12 V to 16.5 V

Figure 7-48 Overvoltage Clamp Response - TPS259472x

V_IN = 12 V, C_ITIMER = 2.2 nF, C_OUT = 220 μF, R_ILM = 549 Ω, I_OUT stepped from 3 A → 9 A

Figure 7-50 Active Current Limit Response Followed by TSD - TPS259470x

V_IN = 12 V, C_ITIMER = 2.2 nF, C_OUT = 470 μF, R_ILM = 549 Ω, I_OUT ramped from 4 A → 8 A

Figure 7-52 Circuit Breaker Response - TPS259474x

V_IN = 12 V, R_ILM = 549 Ω, V_EN/UVLO = 3.3 V, OUT stepped from Open → Short-circuit to GND

Figure 7-54 Output Short-Circuit During Steady State (Zoomed In)

Figure 7-3 Forward Voltage Drop vs Load Current

Figure 7-5 IN Quiescent Current vs Temperature (TPS259472x Variant)

Figure 7-7 IN Shutdown Current vs Temperature

Figure 7-9 EN/UVLO Rising Threshold vs Temperature

Figure 7-11 EN/UVLO Shutdown Falling Threshold vs Temperature

Figure 7-13 OVLO Falling Threshold vs Temperature

Figure 7-15 Overcurrent Threshold Accuracy (Across Process, Voltage and Temperature)

Figure 7-17 Scalable Fast-Trip Threshold: Current Limit Threshold (I_LIM) Ratio vs Temperature

Figure 7-19 RCB - Forward Regulation Voltage vs Temperature

Figure 7-21 RCB - Forward Comparator Threshold vs Temperature

Figure 7-23 Reverse Leakage Current During OFF-State

Figure 7-25 OVC Clamping Voltage (OVCSEL = 392 kΩ to GND) vs Load Current

Figure 7-27 OVC Clamping Voltage (OVCSEL = Open) vs Load Current

Figure 7-29 ITIMER Discharge Current vs Temperature

Figure 7-31 ITIMER Internal Pullup Voltage vs Temperature

Figure 7-33 PGTH Threshold vs Temperature

Figure 7-35 FLTb Pin Pulldown Resistance vs Temperature

Figure 7-37 Time to Thermal Shut-Down During Steady State

V_EN/UVLO = 3.3 V, C_OUT = 30 μF, C_dVdt = Open, V_IN ramped up to 12 V

Figure 7-39 Start-Up with Supply

V_IN = 12 V, C_OUT = 470 μF, C_dVdt = 3300 pF, V_EN/UVLO stepped up to 1.4 V

Figure 7-41 Inrush Current with Capacitive Load

C_OUT = 220 μF, PG pulled up to 3 V, -15 V hot-plugged to IN

Figure 7-43 Input Reverse Polarity Protection - Fast Ramp

C_OUT = 220 μF, R_OUT = 20 Ω, V_IN Overvoltage threshold set to 13.2 V, V_IN ramped up from 12 V to 16 V

Figure 7-45 Overvoltage Lockout Response - TPS259470x/4x

R_OVCSEL = Open, C_OUT = 220 μF, I_OUT = 150 mA, V_IN ramped up from 5 V to 8 V

Figure 7-47 Overvoltage Clamp Response - TPS259472x

V_IN = 12 V, C_ITIMER = 2.2 nF, C_OUT = 220 μF, R_ILM = 549 Ω, I_OUT stepped from 3 A → 9 A → 3 A within 5 ms

Figure 7-49 Active Current Limit Response - TPS259470x

V_IN = 12 V, C_ITIMER = 2.2 nF, C_OUT = 470 μF, R_ILM = 549 Ω, I_OUT ramped from 4 A → 8 A→ 4 A within 1 ms

Figure 7-51 Transient Overcurrent Blanking Timer Response - TPS259474x

V_IN = 12 V, R_ILM = 549 Ω, V_EN/UVLO = 3.3 V, OUT stepped from Open → Short-circuit to GND

Figure 7-53 Output Short-Circuit During Steady State

V_IN = 12 V, C_OUT = Open, OUT short-circuit to GND, R_ILM = 1650 Ω, V_EN/UVLO stepped from 0 V to 3.3 V

Figure 7-55 Power Up into Short-Circuit

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