NCP605, NCP606 500mA, Low I , CMOS GND LDO Regulator with/without Enable and with Enhanced ESD Protection NCP605, NCP606 V V in V V out in out NCP606 (Fixed) C in C out EN SENSE GND Figure 2. NCP606 Typical Application Circuit for Fixed Version (1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V, 5.0 V) V V V V in V V out in V V out in out in out NCP605 NCP606 (Adjustable) (Adjustable) C C in C in C R 1 out out R 1 ADJ EN ADJ GND GND R R 2 2 Figure 3. NCP605 Typical Application Circuit for Figure 4. NCP606 Typical Application Circuit for Adjustable Version (1.25 V < V 5.0 V) Adjustable Version (1.25 V < V 5.0 V) out out V V V V in out in V V out V V in out in out NCP605 NCP606 (Adjustable) (Adjustable) C C in C in C out out ADJ EN ADJ GND GND Figure 5. NCP605 Typical Application Circuit for Figure 6. NCP606 Typical Application Circuit for Adjustable Version (V = 1.25 V) Adjustable Version (V = 1.25 V) out out V V V V in out in out Adjustable Adjustable Version Only Version Only SENSE/ADJ SENSE/ADJ + + Driver with Driver with Current Limit Current Limit Thermal Thermal V V ref ref Shutdown Shutdown EN GND GND Fixed Version Only Fixed Version Only Figure 7. NCP605 Simplified Block Figure 8. NCP606 Simplified Block Diagram Diagram